741:, taken in 1904, the second, from the specimen taken in 1966): head and body length 125 and 118 mm (4.9 and 4.6 in), tail length 115 and 110 mm (4.5 and 4.3 in), hindfoot length 27 and 28 mm (1.1 and 1.1 in), ear length 13 and 15 mm (0.51 and 0.59 in), skull length 29.8 and 29.0 mm (1.17 and 1.14 in). The 1966 specimen weighed 46.0 g (1.62 oz) and had testes 11 mm (0.43 in) long; these measurements were not recorded in the 1904 specimen. Reid, who mentioned the third specimen, reported a maximum head and body length of 128 mm (5.0 in), tail length of 150 mm (5.9 in), hindfoot length of 31 mm (1.2 in), and ear length of 19 mm (0.75 in).
79:
54:
211:
628:
682:
are reduced or absent. The tail is about as long as the head and body and contains about 15 rings per centimeter. It is slightly darker (grayish) above than below (whitish), but the difference in color is much less pronounced than in
437:("naked name") because he had not explicitly mentioned characters differentiating it from other taxa in his 1948 publication. Nevertheless, he did not do anything to rectify the situation, and
654:, with thick, lustrous fur and velvety underfur. The hairs on the back are about 6 mm in length. The upperparts are gray-brown with some dark hairs, appearing darker overall than in
715:
500:
A second specimen was obtained in 1966 and the find was published in 1971 by Hugh
Genoways and Knox Jones, who noted that the species is closely similar to
518:. Fiona Reid reported in 1997 that a third specimen had been found. In 2006, Marcelo Weksler and coworkers removed most of the species formerly placed in
756:
in southeastern
Nicaragua. The first, an old male, was collected on November 5, 1904, in a banana plantation with very moist red clay on the
3410:
666:. The snout is short and the well-haired ears are partly hidden by the fur. The hands and feet are off-white or brownish above, not white as in
3503:
3449:
765:
769:
387:, commenting that it was much smaller than, but otherwise similar to previously known members of that genus. The species was listed as a
662:
line extends from the sides to the inner sides of the hindlegs. The underparts are grayish, contrasting with the buffy underparts of
3384:
1711:
583:("rice rats"), a diverse assemblage of American rodents of over a hundred species, and on higher taxonomic levels in the subfamily
3423:
1179:
Thomas, 1905, p. 586; Genoways and Jones, 1971, p. 833; Sánchez et al., 2001, pp. 209–210; Reid, 2009, p. 207
753:
3528:
1368:"Mammals of Northern Colombia, Preliminary Report No. 3: Water Rats (Genus Nectomys), with Supplemental Notes on Related Forms"
3467:
3428:
1135:
3523:
3508:
734:) are not divided in two. In addition to the main roots, the upper and lower first molars have smaller additional roots.
17:
1093:
575:
section remain unclear and it is likely that the current classification underestimates the true diversity of the group.
3513:
1157:
341:. The tail is only slightly darker above than below. All three specimens were caught near water and the species may be
1500:
1481:
1462:
1391:
Hershkovitz, P. (1970). "Supplementary Notes on
Neotropical Oryzomys Dimidiatus and Oryzomys Hammondi (Cricetinae)".
1101:
366:
737:
Measurements for the first two known examples are as follows (in each case, the first measurement given is from the
408:
in 1948. He remarked that it was an especially distinctive member of that genus, and hence classified it in its own
1292:
1663:
3349:
1704:
764:. The second, a young adult male, was caught on July 26, 1966, in dense cane on the south bank of the
757:
3462:
1118:
772:, 15 km (9 mi) west from the location of the first specimen, along with three other rice rats (
2910:
1113:
292:. It is known from only three specimens, all collected in southeastern Nicaragua since 1904. Placed in
3241:
2917:
78:
3234:
2023:
1908:
1787:
1616:
1451:
Musser, G.G.; Carleton, M.D. (2005). "Superfamily
Muroidea". In Wilson, D.E.; Reeder, D.M. (eds.).
872:
719:
3263:
3190:
2952:
2896:
2882:
2875:
2868:
2667:
2660:
2587:
2366:
2130:
1697:
1227:
Genoways and Jones, 1971, p. 833; Musser and
Carleton, 2005, pp. 1125, 1141, 1147, 1175
796:
784:
3415:
3311:
2945:
2903:
2653:
2538:
2180:
2108:
1794:
3480:
3270:
2938:
2924:
2854:
2615:
2594:
2545:
2308:
2270:
2101:
2087:
2037:
2002:
778:
493:
183:
402:
After examining the holotype in London, Hershkovitz instead placed the species in the genus
3441:
3371:
3183:
3161:
2959:
2931:
2889:
2861:
2847:
2818:
2622:
2552:
2373:
2315:
2262:
2194:
2137:
2094:
2080:
2073:
2066:
2030:
2016:
1929:
1901:
1312:
671:
1689:
8:
3062:
3019:
3011:
2967:
2674:
2645:
2608:
2278:
2144:
2059:
1915:
346:
43:
1341:
Hershkovitz, P. (1944). "A systematic review of the
Neotropical water rats of the genus
2825:
2734:
2720:
2580:
2516:
2254:
2208:
2173:
2009:
1894:
1677:
1531:
1408:
1329:
1271:
1162:
1140:
396:
392:
255:
233:
73:
3518:
3475:
3358:
3154:
2804:
2755:
2601:
2573:
2566:
2559:
2502:
2488:
2466:
2459:
2322:
2187:
2166:
1922:
1593:
1496:
1477:
1458:
1421:
1303:
1288:
849:
790:
1681:
1535:
1275:
559:
and also includes six other species with more limited and peripheral distributions.
491:, and in his 1991 review of that genus Robert Voss confirmed that it is the same as
3363:
3048:
3040:
2811:
2776:
2769:
2748:
2495:
2445:
2438:
2431:
2424:
2417:
2344:
2334:
2286:
1936:
1667:
1659:
1638:
1611:
1580:
1523:
1437:
1400:
1379:
1354:
1321:
1263:
867:
703:
658:; the color becomes more yellowish towards the sides. According to Thomas, a faint
627:
1457:(3rd ed.). Baltimore: The Johns Hopkins University Press. pp. 894–1531.
210:
3026:
2797:
2790:
2762:
2741:
2727:
2509:
2452:
2201:
1367:
1167:
1145:
1123:
699:
514:
478:
362:
318:
224:
200:
3454:
1383:
679:
361:
The first known specimen was obtained by W.G. Palmer in 1904 and the next year,
3334:
3281:
3224:
3054:
1527:
824:
632:
598:
474:
454:
350:
313:
58:
1584:
3497:
3436:
3173:
3108:
3098:
1848:
1838:
1766:
1602:
1442:
1109:
858:
816:
711:
584:
150:
63:
3253:
2837:
2356:
1992:
1980:
1970:
1872:
1861:
1826:
1818:
1807:
1625:
Voss, R.S. (1991). "An introduction to the neotropical muroid rodent genus
523:
487:
3397:
3343:
2989:
2979:
2783:
2634:
2049:
1958:
1948:
1358:
805:
731:
675:
568:
433:
342:
308:
and finally recognized as closely related to other species now placed in
1514:(Rodentia : Muridae). With Notes on Taxonomy and Natural History".
325:
With a head and body length of 110 to 128 mm (4.3 to 5.0 in),
3389:
3292:
3212:
3202:
3086:
3075:
2698:
2687:
2528:
2120:
1884:
1777:
1760:
1721:
1412:
1333:
925:
Duff and Lawson, 2004, p. 54; Jones and
Engstrom, 1986, p. 12
801:
727:
588:
580:
395:
overviews in the next decades, including a 1944 review of the genus by
330:
289:
140:
694:, the skull is lightly built and has narrow nasals and a broad, round
3402:
2298:
2243:
2156:
1672:
1347:
Miscellaneous
Publications, Museum of Zoology, University of Michigan
1188:
Hershkovitz, 1948, p. 55; Sánchez et al., 2001, pp. 209–210
695:
90:
3305:
1651:
1642:
1544:
1493:
A Field Guide to the
Mammals of Central America and Southeast Mexico
1474:
A Field Guide to the
Mammals of Central America and Southeast Mexico
1404:
1325:
1267:
659:
334:
333:. The upperparts are gray-brown and the underparts are grayish, not
3328:
3144:
3132:
3121:
3001:
2478:
2407:
2395:
2385:
2230:
2220:
1742:
738:
409:
404:
383:
370:
304:
299:
294:
160:
110:
1652:"Ten New Genera of Oryzomyine Rodents (Cricetidae: Sigmodontinae)"
1254:
Complex (Rodentia: Cricetidae: Sigmodontinae) in Western Mexico".
597:
or "divided in the middle rice rat" derives respectively from the
2710:
1510:
Sánchez H., J.; Ochoa G., J.; Voss, R.S. (2001). "Rediscovery of
1454:
Mammal Species of the World: a taxonomic and geographic reference
827:", noting that very little is currently known about the species.
761:
374:
3376:
591:, along with hundreds of other species of mainly small rodents.
1754:
1748:
1736:
1452:
752:
is known from three specimens collected in the lowlands of the
707:
285:
130:
120:
100:
843:
841:
839:
555:
section, which is centered on the widespread Central American
1102:
1094:
609:
522:
from the genus, because they are not closely related to the
1719:
1250:
Carleton, M.D.; Arroyo-Cabrales, J. (2009). "Review of the
836:
1664:
10.1206/0003-0082(2006)3537[1:tngoor]2.0.co;2
718:, the gap behind the end of the palate, is perforated by
1430:
Occasional Papers of the Museum of Texas Tech University
1249:
543:
is now recognized as one of eight species in the genus
298:
upon its discovery, it was later classified in its own
1649:
1509:
744:
423:, from Colombia in 1957. In 1970, Hershkovitz treated
415:. J. Hernández-Camacho described a second species of
453:
in external anatomy, it is otherwise similar to the
1650:Weksler, M.; Percequillo, A.R.; Voss, R.S. (2006).
1021:
Weksler et al., 2006, table 1, footnote e
1631:Bulletin of the American Museum of Natural History
1256:Bulletin of the American Museum of Natural History
504:. Later workers affirmed the relationship between
427:in another publication and conceded that his name
1287:. New Haven, Connecticut: Yale University Press.
714:and are broadest in their back halves. The broad
3495:
1372:Proceedings of the United States National Museum
847:
1236:Carleton and Arroyo-Cabrales, 2009, p. 114
1066:Carleton and Arroyo-Cabrales, 2009, p. 107
1048:Carleton and Arroyo-Cabrales, 2009, p. 117
1039:Carleton and Arroyo-Cabrales, 2009, p. 116
722:. The molar crowns are not as simplified as in
567:in southeastern Nicaragua. Many aspects of the
1617:10.2305/IUCN.UK.2019-1.RLTS.T15594A22387864.en
1450:
873:10.2305/IUCN.UK.2019-1.RLTS.T15594A22387864.en
808:, spending some time in the water, like other
1705:
1419:
1301:
1495:(2nd ed.). Oxford University Press US.
1476:(1st ed.). Oxford University Press US.
1218:Timm and Reid, 2008; Reid, 2009, p. 207
1390:
1365:
1340:
726:species, but the front cusps of the upper (
1712:
1698:
1282:
469:, but did not think it closely related to
209:
52:
1671:
1615:
1441:
871:
650:is a medium-sized rice rat, smaller than
1591:
1017:
1015:
1005:
1003:
800:. The third was caught at a stream near
626:
1205:
1203:
1160:. Charlton T. Lewis and Charles Short.
988:Musser and Carleton, 2005, p. 1144
975:
973:
916:Musser and Carleton, 2005, p. 1148
754:South Caribbean Coast Autonomous Region
706:(perforations of the front part of the
345:, spending some time in the water. Its
14:
3496:
1573:Annals and Magazine of Natural History
1542:
1230:
1060:
1042:
1033:
982:
963:
961:
933:
931:
894:
892:
890:
698:without conspicuous ridges on it. The
3310:
3309:
1693:
1012:
1009:Genoways and Jones, 1971, p. 433
1000:
949:
804:. Reid suggested that the species is
228:(red and yellow) in Central America.
3504:IUCN Red List data deficient species
1624:
1490:
1471:
1420:Jones, J.K.; Engstrom, M.D. (1986).
1302:Genoways, H.H.; Jones, J.K. (1971).
1200:
1197:Jones and Engstrom, 1986, p. 13
1191:
1078:
1057:Jones and Engstrom, 1986, p. 12
1051:
1024:
970:
819:assessed the conservation status of
619:"halve, divide in two equal parts".
445:. Hershkovitz also noted that while
1603:IUCN Red List of Threatened Species
1242:
991:
958:
928:
887:
859:IUCN Red List of Threatened Species
745:Distribution, ecology, and behavior
322:, which occurs in the same region.
24:
1422:"Synopsis of the rice rats (genus
1069:
940:
901:
25:
3540:
1285:Mammals of the World: A checklist
955:Hershkovitz, 1948, pp. 54–55
421:Oryzomys (Micronectomys) borreroi
367:British Museum of Natural History
77:
1221:
1212:
1182:
1173:
1151:
1129:
1087:
1141:An Elementary Latin Dictionary
979:Hershkovitz, 1970, p. 791
967:Hershkovitz, 1970, p. 792
919:
910:
678:on the digits and some of the
622:
615:"divided in the middle", from
13:
1:
3529:Taxa named by Oldfield Thomas
1283:Duff, A.; Lawson, A. (2004).
946:Hershkovitz, 1944, p. 80
907:Hershkovitz, 1948, p. 55
830:
369:described this animal as the
794:, and the cottontail rabbit
512:and associated species like
381:. He placed it in the genus
7:
1592:Timm, R.; Reid, F. (2019).
1565:, with a Note on the Genus
1384:10.5479/si.00963801.3221.49
848:Timm, R.; Reid, F. (2019).
710:) extend between the first
579:is classified in the tribe
356:
10:
3545:
3524:Rodents of Central America
3509:Endemic fauna of Nicaragua
1528:10.1515/mamm.2001.65.2.205
1103:
1095:
670:. The hindfeet show small
349:is currently assessed as "
3514:Mammals described in 1905
3318:
3280:
3251:
3222:
3200:
3171:
3142:
3118:
3096:
3072:
2999:
2977:
2835:
2708:
2684:
2632:
2526:
2476:
2405:
2383:
2354:
2332:
2296:
2240:
2218:
2154:
2118:
2047:
1990:
1968:
1946:
1882:
1858:
1836:
1804:
1775:
1731:
1656:American Museum Novitates
1585:10.1080/03745480509442857
1543:Thomas, Oldfield (1905).
1084:Musser and Carleton, 2005
937:Thomas, 1905, p. 587
898:Thomas, 1905, p. 586
730:) and lower first molar (
239:
232:
222:(yellow) and the related
217:
208:
189:
182:
74:Scientific classification
72:
50:
41:
34:
1545:"LXXX – New Neotropical
1443:10.5962/bhl.title.156590
1366:Hershkovitz, P. (1948).
1075:Weksler, 2006, p. 3
720:sphenopalatine vacuities
1209:Reid, 2009, p. 207
1119:A Greek–English Lexicon
1030:Reid, 1997, p. 204
797:Sylvilagus brasiliensis
785:Oligoryzomys fulvescens
551:is further part of the
997:Voss, 1991, p. 46
644:
608:"mouse, rat", and the
1610:: e.T15594A22387864.
1138:. Charlton T. Lewis.
1110:Liddell, Henry George
866:: e.T15594A22387864.
779:Melanomys caliginosus
674:, but they lack long
630:
494:Zygodontomys brunneus
449:resembles a juvenile
3293:Ekbletomys hypenemus
1827:A. praeuniversitatis
1393:Journal of Mammalogy
1313:Journal of Mammalogy
1304:"Second Specimen of
690:Compared to that of
272:, also known as the
3350:Oryzomys dimidiatus
3320:Oryzomys dimidiatus
1596:Oryzomys dimidiatus
1306:Oryzomys dimidiatus
852:Oryzomys dimidiatus
821:Oryzomys dimidiatus
750:Oryzomys dimidiatus
716:mesopterygoid fossa
648:Oryzomys dimidiatus
595:Oryzomys dimidiatus
541:Oryzomys dimidiatus
473:. Six years later,
379:Nectomys dimidiatus
347:conservation status
327:Oryzomys dimidiatus
282:Nicaraguan rice rat
274:Nicaraguan oryzomys
269:Oryzomys dimidiatus
243:Nectomys dimidiatus
220:Oryzomys dimidiatus
193:Oryzomys dimidiatus
44:Conservation status
36:Oryzomys dimidiatus
18:Nicaraguan rice rat
1163:A Latin Dictionary
788:), the cotton rat
645:
641:O. dimidiatus
637:Oryzomys palustris
565:O. dimidiatus
549:O. dimidiatus
531:O. dimidiatus
506:O. dimidiatus
481:instead suggested
471:O. dimidiatus
459:Oryzomys palustris
447:O. dimidiatus
425:O. dimidiatus
397:Philip Hershkovitz
329:is a medium-sized
175:O. dimidiatus
3491:
3490:
3476:Open Tree of Life
3312:Taxon identifiers
3303:
3302:
1725:
1720:Species of tribe
1491:Reid, F. (2009).
1472:Reid, F. (1997).
791:Sigmodon hirsutus
704:incisive foramina
672:interdigital webs
527:O. palustris
510:O. palustris
502:O. palustris
278:Thomas's rice rat
265:
264:
259:
247:
67:
27:Nicaraguan rodent
16:(Redirected from
3536:
3484:
3483:
3471:
3470:
3458:
3457:
3445:
3444:
3432:
3431:
3419:
3418:
3406:
3405:
3393:
3392:
3380:
3379:
3367:
3366:
3354:
3353:
3352:
3339:
3338:
3337:
3307:
3306:
2911:O. longicaudatus
2335:Microakodontomys
1959:D. albimaculatus
1909:C. maracajuensis
1788:A. galapagoensis
1723:
1714:
1707:
1700:
1691:
1690:
1685:
1675:
1646:
1621:
1619:
1588:
1539:
1512:Oryzomys gorgasi
1506:
1487:
1468:
1447:
1445:
1416:
1387:
1362:
1337:
1298:
1279:
1243:Literature cited
1237:
1234:
1228:
1225:
1219:
1216:
1210:
1207:
1198:
1195:
1189:
1186:
1180:
1177:
1171:
1155:
1149:
1133:
1127:
1106:
1105:
1098:
1097:
1091:
1085:
1082:
1076:
1073:
1067:
1064:
1058:
1055:
1049:
1046:
1040:
1037:
1031:
1028:
1022:
1019:
1010:
1007:
998:
995:
989:
986:
980:
977:
968:
965:
956:
953:
947:
944:
938:
935:
926:
923:
917:
914:
908:
905:
899:
896:
885:
884:
882:
880:
875:
845:
639:) is similar to
483:O. borreroi
463:O. borreroi
312:, including the
254:
245:
213:
195:
82:
81:
61:
56:
55:
32:
31:
21:
3544:
3543:
3539:
3538:
3537:
3535:
3534:
3533:
3494:
3493:
3492:
3487:
3479:
3474:
3466:
3461:
3453:
3448:
3440:
3435:
3427:
3422:
3414:
3409:
3401:
3396:
3388:
3383:
3375:
3370:
3362:
3357:
3348:
3347:
3342:
3333:
3332:
3327:
3314:
3304:
3299:
3276:
3247:
3218:
3196:
3167:
3138:
3114:
3092:
3068:
2995:
2973:
2918:O. magellanicus
2831:
2819:O. sydandersoni
2704:
2680:
2628:
2588:N. maculiventer
2522:
2472:
2401:
2379:
2350:
2345:M. transitorius
2328:
2292:
2236:
2214:
2181:H. megacephalus
2150:
2131:H. brasiliensis
2114:
2043:
1986:
1964:
1942:
1878:
1854:
1832:
1800:
1771:
1727:
1718:
1688:
1579:(90): 584–591.
1503:
1484:
1465:
1426:) of Nicaragua"
1405:10.2307/1378303
1378:(3221): 49–56.
1345:(Cricetinae)".
1326:10.2307/1378937
1295:
1268:10.1206/582-3.1
1252:Oryzomys couesi
1245:
1240:
1235:
1231:
1226:
1222:
1217:
1213:
1208:
1201:
1196:
1192:
1187:
1183:
1178:
1174:
1168:Perseus Project
1156:
1152:
1146:Perseus Project
1134:
1130:
1124:Perseus Project
1092:
1088:
1083:
1079:
1074:
1070:
1065:
1061:
1056:
1052:
1047:
1043:
1038:
1034:
1029:
1025:
1020:
1013:
1008:
1001:
996:
992:
987:
983:
978:
971:
966:
959:
954:
950:
945:
941:
936:
929:
924:
920:
915:
911:
906:
902:
897:
888:
878:
876:
846:
837:
833:
747:
700:zygomatic plate
625:
461:). He accepted
363:Oldfield Thomas
359:
319:Coues' rice rat
204:
197:
191:
178:
76:
68:
57:
53:
46:
28:
23:
22:
15:
12:
11:
5:
3542:
3532:
3531:
3526:
3521:
3516:
3511:
3506:
3489:
3488:
3486:
3485:
3472:
3459:
3446:
3433:
3420:
3407:
3394:
3381:
3368:
3355:
3340:
3324:
3322:
3316:
3315:
3301:
3300:
3298:
3297:
3286:
3284:
3282:Incertae sedis
3278:
3277:
3275:
3274:
3267:
3259:
3257:
3249:
3248:
3246:
3245:
3238:
3230:
3228:
3225:Transandinomys
3220:
3219:
3217:
3216:
3208:
3206:
3198:
3197:
3195:
3194:
3187:
3179:
3177:
3169:
3168:
3166:
3165:
3162:S. ucayalensis
3158:
3150:
3148:
3140:
3139:
3137:
3136:
3127:
3125:
3116:
3115:
3113:
3112:
3104:
3102:
3094:
3093:
3091:
3090:
3081:
3079:
3070:
3069:
3067:
3066:
3059:
3052:
3044:
3037:
3030:
3023:
3015:
3007:
3005:
2997:
2996:
2994:
2993:
2985:
2983:
2975:
2974:
2972:
2971:
2963:
2956:
2949:
2942:
2935:
2928:
2921:
2914:
2907:
2900:
2893:
2886:
2879:
2872:
2865:
2858:
2851:
2843:
2841:
2833:
2832:
2830:
2829:
2822:
2815:
2808:
2801:
2794:
2787:
2780:
2773:
2766:
2759:
2752:
2745:
2738:
2731:
2724:
2716:
2714:
2706:
2705:
2703:
2702:
2693:
2691:
2682:
2681:
2679:
2678:
2671:
2668:N. narboroughi
2664:
2661:N. fernandinae
2657:
2649:
2640:
2638:
2630:
2629:
2627:
2626:
2619:
2612:
2605:
2598:
2591:
2584:
2577:
2570:
2563:
2556:
2549:
2542:
2539:N. albigularis
2534:
2532:
2524:
2523:
2521:
2520:
2513:
2506:
2499:
2492:
2484:
2482:
2474:
2473:
2471:
2470:
2463:
2456:
2449:
2442:
2435:
2428:
2421:
2413:
2411:
2403:
2402:
2400:
2399:
2391:
2389:
2381:
2380:
2378:
2377:
2370:
2362:
2360:
2352:
2351:
2349:
2348:
2340:
2338:
2330:
2329:
2327:
2326:
2319:
2312:
2309:M. caliginosus
2304:
2302:
2294:
2293:
2291:
2290:
2282:
2274:
2271:M. desmarestii
2266:
2258:
2249:
2247:
2238:
2237:
2235:
2234:
2226:
2224:
2216:
2215:
2213:
2212:
2205:
2198:
2191:
2184:
2177:
2170:
2162:
2160:
2152:
2151:
2149:
2148:
2141:
2134:
2126:
2124:
2116:
2115:
2113:
2112:
2105:
2098:
2091:
2084:
2077:
2070:
2063:
2055:
2053:
2045:
2044:
2042:
2041:
2034:
2027:
2024:E. macconnelli
2020:
2013:
2006:
1998:
1996:
1988:
1987:
1985:
1984:
1976:
1974:
1966:
1965:
1963:
1962:
1954:
1952:
1944:
1943:
1941:
1940:
1933:
1926:
1919:
1912:
1905:
1898:
1890:
1888:
1880:
1879:
1877:
1876:
1867:
1865:
1856:
1855:
1853:
1852:
1844:
1842:
1834:
1833:
1831:
1830:
1822:
1813:
1811:
1802:
1801:
1799:
1798:
1795:A. xanthaeolus
1791:
1783:
1781:
1773:
1772:
1770:
1769:
1763:
1757:
1751:
1745:
1739:
1732:
1729:
1728:
1717:
1716:
1709:
1702:
1694:
1687:
1686:
1658:(3537): 1–29.
1647:
1622:
1589:
1540:
1522:(2): 205–214.
1507:
1501:
1488:
1482:
1469:
1463:
1448:
1417:
1399:(4): 789–794.
1388:
1363:
1338:
1320:(4): 833–834.
1299:
1293:
1280:
1246:
1244:
1241:
1239:
1238:
1229:
1220:
1211:
1199:
1190:
1181:
1172:
1150:
1128:
1086:
1077:
1068:
1059:
1050:
1041:
1032:
1023:
1011:
999:
990:
981:
969:
957:
948:
939:
927:
918:
909:
900:
886:
834:
832:
829:
825:Data Deficient
774:O. couesi
746:
743:
702:is broad. The
685:O. couesi
668:O. couesi
664:O. couesi
656:O. couesi
652:O. couesi
633:marsh rice rat
624:
621:
573:O. couesi
561:O. couesi
557:O. couesi
553:O. couesi
515:O. couesi
475:Alfred Gardner
455:marsh rice rat
358:
355:
351:Data Deficient
339:O. couesi
314:marsh rice rat
288:in the family
263:
262:
261:
260:
248:
237:
236:
230:
229:
225:O. couesi
215:
214:
206:
205:
198:
187:
186:
180:
179:
172:
170:
166:
165:
158:
154:
153:
148:
144:
143:
138:
134:
133:
128:
124:
123:
118:
114:
113:
108:
104:
103:
98:
94:
93:
88:
84:
83:
70:
69:
59:Data Deficient
51:
48:
47:
42:
39:
38:
26:
9:
6:
4:
3:
2:
3541:
3530:
3527:
3525:
3522:
3520:
3517:
3515:
3512:
3510:
3507:
3505:
3502:
3501:
3499:
3482:
3477:
3473:
3469:
3464:
3460:
3456:
3451:
3447:
3443:
3438:
3434:
3430:
3425:
3421:
3417:
3412:
3408:
3404:
3399:
3395:
3391:
3386:
3382:
3378:
3373:
3369:
3365:
3360:
3356:
3351:
3345:
3341:
3336:
3330:
3326:
3325:
3323:
3321:
3317:
3313:
3308:
3296:
3294:
3288:
3287:
3285:
3283:
3279:
3273:
3272:
3268:
3266:
3265:
3264:Z. brevicauda
3261:
3260:
3258:
3256:
3255:
3250:
3244:
3243:
3242:T. talamancae
3239:
3237:
3236:
3232:
3231:
3229:
3227:
3226:
3221:
3215:
3214:
3210:
3209:
3207:
3205:
3204:
3199:
3193:
3192:
3188:
3186:
3185:
3181:
3180:
3178:
3176:
3175:
3174:Sigmodontomys
3170:
3164:
3163:
3159:
3157:
3156:
3152:
3151:
3149:
3147:
3146:
3141:
3135:
3134:
3133:R. primigenus
3129:
3128:
3126:
3124:
3123:
3117:
3111:
3110:
3106:
3105:
3103:
3101:
3100:
3099:Pseudoryzomys
3095:
3089:
3088:
3083:
3082:
3080:
3078:
3077:
3071:
3065:
3064:
3063:O. peninsulae
3060:
3058:
3057:
3056:O. palustris
3053:
3051:
3050:
3045:
3043:
3042:
3038:
3036:
3035:
3034:O. dimidiatus
3031:
3029:
3028:
3024:
3022:
3021:
3020:O. antillarum
3016:
3014:
3013:
3012:O. albiventer
3009:
3008:
3006:
3004:
3003:
2998:
2992:
2991:
2987:
2986:
2984:
2982:
2981:
2976:
2970:
2969:
2964:
2962:
2961:
2957:
2955:
2954:
2953:O. stramineus
2950:
2948:
2947:
2943:
2941:
2940:
2936:
2934:
2933:
2929:
2927:
2926:
2922:
2920:
2919:
2915:
2913:
2912:
2908:
2906:
2905:
2901:
2899:
2898:
2897:O. fulvescens
2894:
2892:
2891:
2887:
2885:
2884:
2883:O. flavescens
2880:
2878:
2877:
2876:O. destructor
2873:
2871:
2870:
2869:O. chacoensis
2866:
2864:
2863:
2859:
2857:
2856:
2852:
2850:
2849:
2845:
2844:
2842:
2840:
2839:
2834:
2828:
2827:
2826:O. trinitatis
2823:
2821:
2820:
2816:
2814:
2813:
2809:
2807:
2806:
2802:
2800:
2799:
2795:
2793:
2792:
2788:
2786:
2785:
2781:
2779:
2778:
2774:
2772:
2771:
2767:
2765:
2764:
2760:
2758:
2757:
2753:
2751:
2750:
2746:
2744:
2743:
2739:
2737:
2736:
2735:O. catherinae
2732:
2730:
2729:
2725:
2723:
2722:
2721:O. auyantepui
2718:
2717:
2715:
2713:
2712:
2707:
2701:
2700:
2695:
2694:
2692:
2690:
2689:
2683:
2677:
2676:
2672:
2670:
2669:
2665:
2663:
2662:
2658:
2656:
2655:
2654:N. indefessus
2650:
2648:
2647:
2642:
2641:
2639:
2637:
2636:
2631:
2625:
2624:
2620:
2618:
2617:
2616:N. pectoralis
2613:
2611:
2610:
2606:
2604:
2603:
2599:
2597:
2596:
2595:N. meridensis
2592:
2590:
2589:
2585:
2583:
2582:
2578:
2576:
2575:
2571:
2569:
2568:
2564:
2562:
2561:
2557:
2555:
2554:
2550:
2548:
2547:
2546:N. auriventer
2543:
2541:
2540:
2536:
2535:
2533:
2531:
2530:
2525:
2519:
2518:
2514:
2512:
2511:
2507:
2505:
2504:
2500:
2498:
2497:
2493:
2491:
2490:
2486:
2485:
2483:
2481:
2480:
2475:
2469:
2468:
2464:
2462:
2461:
2457:
2455:
2454:
2450:
2448:
2447:
2443:
2441:
2440:
2436:
2434:
2433:
2429:
2427:
2426:
2422:
2420:
2419:
2415:
2414:
2412:
2410:
2409:
2404:
2398:
2397:
2393:
2392:
2390:
2388:
2387:
2382:
2376:
2375:
2371:
2369:
2368:
2367:M. altissimus
2364:
2363:
2361:
2359:
2358:
2353:
2347:
2346:
2342:
2341:
2339:
2337:
2336:
2331:
2325:
2324:
2320:
2318:
2317:
2316:M. robustulus
2313:
2311:
2310:
2306:
2305:
2303:
2301:
2300:
2295:
2289:
2288:
2283:
2281:
2280:
2275:
2273:
2272:
2267:
2265:
2264:
2263:M. curazensis
2259:
2257:
2256:
2251:
2250:
2248:
2246:
2245:
2239:
2233:
2232:
2228:
2227:
2225:
2223:
2222:
2217:
2211:
2210:
2206:
2204:
2203:
2199:
2197:
2196:
2195:H. perenensis
2192:
2190:
2189:
2185:
2183:
2182:
2178:
2176:
2175:
2171:
2169:
2168:
2164:
2163:
2161:
2159:
2158:
2153:
2147:
2146:
2142:
2140:
2139:
2135:
2133:
2132:
2128:
2127:
2125:
2123:
2122:
2117:
2111:
2110:
2109:H. saturatior
2106:
2104:
2103:
2099:
2097:
2096:
2092:
2090:
2089:
2085:
2083:
2082:
2078:
2076:
2075:
2071:
2069:
2068:
2064:
2062:
2061:
2057:
2056:
2054:
2052:
2051:
2046:
2040:
2039:
2035:
2033:
2032:
2028:
2026:
2025:
2021:
2019:
2018:
2014:
2012:
2011:
2007:
2005:
2004:
2000:
1999:
1997:
1995:
1994:
1989:
1983:
1982:
1978:
1977:
1975:
1973:
1972:
1967:
1961:
1960:
1956:
1955:
1953:
1951:
1950:
1945:
1939:
1938:
1934:
1932:
1931:
1927:
1925:
1924:
1920:
1918:
1917:
1913:
1911:
1910:
1906:
1904:
1903:
1899:
1897:
1896:
1892:
1891:
1889:
1887:
1886:
1881:
1875:
1874:
1869:
1868:
1866:
1864:
1863:
1857:
1851:
1850:
1846:
1845:
1843:
1841:
1840:
1839:Amphinectomys
1835:
1829:
1828:
1823:
1821:
1820:
1815:
1814:
1812:
1810:
1809:
1803:
1797:
1796:
1792:
1790:
1789:
1785:
1784:
1782:
1780:
1779:
1774:
1768:
1767:Sigmodontinae
1764:
1762:
1758:
1756:
1752:
1750:
1746:
1744:
1740:
1738:
1734:
1733:
1730:
1726:
1715:
1710:
1708:
1703:
1701:
1696:
1695:
1692:
1683:
1679:
1674:
1669:
1665:
1661:
1657:
1653:
1648:
1644:
1640:
1636:
1632:
1628:
1623:
1618:
1613:
1609:
1605:
1604:
1599:
1597:
1590:
1586:
1582:
1578:
1574:
1570:
1568:
1564:
1560:
1556:
1552:
1548:
1541:
1537:
1533:
1529:
1525:
1521:
1517:
1513:
1508:
1504:
1502:9780195343229
1498:
1494:
1489:
1485:
1483:9780195064018
1479:
1475:
1470:
1466:
1464:9780801882210
1460:
1456:
1455:
1449:
1444:
1439:
1435:
1431:
1427:
1425:
1418:
1414:
1410:
1406:
1402:
1398:
1394:
1389:
1385:
1381:
1377:
1373:
1369:
1364:
1360:
1359:2027.42/56303
1356:
1352:
1348:
1344:
1339:
1335:
1331:
1327:
1323:
1319:
1315:
1314:
1309:
1307:
1300:
1296:
1290:
1286:
1281:
1277:
1273:
1269:
1265:
1261:
1257:
1253:
1248:
1247:
1233:
1224:
1215:
1206:
1204:
1194:
1185:
1176:
1169:
1165:
1164:
1159:
1154:
1147:
1143:
1142:
1137:
1132:
1125:
1121:
1120:
1115:
1114:Scott, Robert
1111:
1107:
1099:
1090:
1081:
1072:
1063:
1054:
1045:
1036:
1027:
1018:
1016:
1006:
1004:
994:
985:
976:
974:
964:
962:
952:
943:
934:
932:
922:
913:
904:
895:
893:
891:
874:
869:
865:
861:
860:
855:
853:
844:
842:
840:
835:
828:
826:
822:
818:
817:IUCN Red List
813:
811:
807:
803:
799:
798:
793:
792:
787:
786:
781:
780:
775:
771:
767:
763:
759:
758:Río Escondido
755:
751:
742:
740:
735:
733:
729:
725:
721:
717:
713:
709:
705:
701:
697:
693:
688:
686:
681:
677:
676:tufts of hair
673:
669:
665:
661:
657:
653:
649:
642:
638:
634:
629:
620:
618:
614:
611:
607:
603:
600:
596:
592:
590:
586:
585:Sigmodontinae
582:
578:
574:
570:
566:
562:
558:
554:
550:
546:
542:
538:
536:
532:
528:
525:
521:
517:
516:
511:
507:
503:
498:
496:
495:
490:
489:
484:
480:
476:
472:
468:
464:
460:
456:
452:
448:
444:
440:
439:Micronectomys
436:
435:
430:
429:Micronectomys
426:
422:
418:
417:Micronectomys
414:
413:Micronectomys
411:
407:
406:
400:
398:
394:
390:
386:
385:
380:
376:
372:
368:
364:
354:
352:
348:
344:
340:
336:
332:
328:
323:
321:
320:
315:
311:
307:
306:
301:
297:
296:
291:
287:
283:
279:
275:
271:
270:
257:
252:
249:
244:
241:
240:
238:
235:
231:
227:
226:
221:
216:
212:
207:
202:
196:
194:
188:
185:
184:Binomial name
181:
177:
176:
171:
168:
167:
164:
163:
159:
156:
155:
152:
151:Sigmodontinae
149:
146:
145:
142:
139:
136:
135:
132:
129:
126:
125:
122:
119:
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115:
112:
109:
106:
105:
102:
99:
96:
95:
92:
89:
86:
85:
80:
75:
71:
65:
60:
49:
45:
40:
37:
33:
30:
19:
3319:
3290:
3269:
3262:
3254:Zygodontomys
3252:
3240:
3235:T. bolivaris
3233:
3223:
3211:
3201:
3191:S. aphrastus
3189:
3182:
3172:
3160:
3153:
3143:
3131:
3120:
3107:
3097:
3085:
3074:
3061:
3055:
3047:
3039:
3033:
3032:
3025:
3018:
3010:
3000:
2990:O. balneator
2988:
2978:
2966:
2958:
2951:
2946:O. rupestris
2944:
2937:
2930:
2923:
2916:
2909:
2904:O. griseolus
2902:
2895:
2888:
2881:
2874:
2867:
2860:
2853:
2846:
2838:Oligoryzomys
2836:
2824:
2817:
2810:
2805:O. speciosus
2803:
2796:
2789:
2782:
2775:
2768:
2761:
2756:O. flavicans
2754:
2747:
2740:
2733:
2726:
2719:
2709:
2699:N. vespuccii
2697:
2686:
2673:
2666:
2659:
2652:
2644:
2633:
2623:N. pirrensis
2621:
2614:
2607:
2600:
2593:
2586:
2579:
2572:
2565:
2558:
2553:N. caracolus
2551:
2544:
2537:
2527:
2517:N. squamipes
2515:
2508:
2501:
2494:
2487:
2477:
2465:
2458:
2451:
2444:
2437:
2430:
2423:
2416:
2406:
2394:
2384:
2372:
2365:
2357:Microryzomys
2355:
2343:
2333:
2321:
2314:
2307:
2297:
2285:
2279:M. georginae
2277:
2269:
2261:
2253:
2242:
2229:
2219:
2207:
2200:
2193:
2186:
2179:
2172:
2165:
2155:
2143:
2138:H. chacarius
2136:
2129:
2119:
2107:
2102:H. rostratus
2100:
2093:
2088:H. melanotis
2086:
2079:
2072:
2065:
2058:
2048:
2036:
2029:
2022:
2015:
2008:
2001:
1993:Euryoryzomys
1991:
1979:
1971:Eremoryzomys
1969:
1957:
1947:
1935:
1930:C. subflavus
1928:
1921:
1914:
1907:
1902:C. langguthi
1900:
1893:
1883:
1871:
1862:Carletonomys
1860:
1847:
1837:
1825:
1817:
1808:Agathaeromys
1806:
1793:
1786:
1776:
1655:
1634:
1630:
1627:Zygodontomys
1626:
1607:
1601:
1595:
1576:
1572:
1566:
1562:
1558:
1554:
1550:
1546:
1519:
1515:
1511:
1492:
1473:
1453:
1433:
1429:
1423:
1396:
1392:
1375:
1371:
1350:
1346:
1342:
1317:
1311:
1305:
1284:
1259:
1255:
1251:
1232:
1223:
1214:
1193:
1184:
1175:
1161:
1153:
1139:
1131:
1117:
1089:
1080:
1071:
1062:
1053:
1044:
1035:
1026:
993:
984:
951:
942:
921:
912:
903:
877:. Retrieved
863:
857:
851:
820:
814:
809:
795:
789:
783:
777:
773:
749:
748:
736:
723:
691:
689:
684:
667:
663:
655:
651:
647:
646:
640:
636:
616:
612:
605:
601:
594:
593:
576:
572:
564:
563:occurs with
560:
556:
552:
548:
544:
540:
539:
534:
530:
526:
524:type species
519:
513:
509:
505:
501:
499:
492:
488:Zygodontomys
486:
482:
479:James Patton
470:
466:
462:
458:
450:
446:
442:
438:
432:
428:
424:
420:
416:
412:
403:
401:
388:
382:
378:
360:
338:
326:
324:
317:
309:
303:
293:
281:
277:
273:
268:
267:
266:
250:
246:Thomas, 1905
242:
223:
219:
192:
190:
174:
173:
161:
35:
29:
3398:iNaturalist
3344:Wikispecies
3271:Z. brunneus
3155:S. melanops
2980:Oreoryzomys
2939:O. nigripes
2925:O. microtis
2855:O. arenalis
2812:O. superans
2777:O. phaeotis
2770:O. paricola
2749:O. concolor
2635:Nesoryzomys
2609:N. nimbosus
2503:N. palmipes
2489:N. apicalis
2467:N. tenuipes
2460:N. spinosus
2396:M. hammondi
2255:M. audreyae
2209:H. yunganus
2174:H. laticeps
2145:H. sciureus
2095:H. rhabdops
2081:H. intectus
2074:H. fuscatus
2067:H. chapmani
2050:Handleyomys
2038:E. russatus
2003:E. emmonsae
1949:Drymoreomys
1916:C. marinhus
1819:A. donovani
1765:Subfamily:
1724:(rice rats)
1722:Oryzomyini
879:15 November
806:semiaquatic
732:anteroconid
623:Description
569:systematics
529:, but kept
443:nomen nudum
434:nomen nudum
343:semiaquatic
256:Hershkovitz
147:Subfamily:
3498:Categories
3213:S. angouya
3203:Sooretamys
3109:P. simplex
3087:P. nivalis
3076:Pennatomys
3049:O. nelsoni
3041:O. gorgasi
2960:O. vegetus
2932:O. moojeni
2890:O. fornesi
2862:O. brendae
2848:O. andinus
2798:O. rutilus
2791:O. roberti
2763:O. mamorae
2742:O. cleberi
2728:O. bicolor
2688:Noronhomys
2675:N. swarthi
2646:N. darwini
2581:N. levipes
2529:Nephelomys
2496:N. grandis
2446:N. paracou
2439:N. musseri
2432:N. minutus
2425:N. guianae
2418:N. dubosti
2374:M. minutus
2323:M. zunigae
2231:L. molitor
2188:H. oniscus
2167:H. acritus
2121:Holochilus
2060:H. alfaroi
2031:E. nitidus
2017:E. legatus
1895:C. goytaca
1885:Cerradomys
1849:A. savamis
1778:Aegialomys
1761:Cricetidae
1559:Proechimys
1294:071366021X
1262:: 94–127.
1136:dimidiatus
831:References
802:Bluefields
728:anterocone
613:dimidiatus
589:Cricetidae
587:of family
581:Oryzomyini
441:remains a
290:Cricetidae
251:dimidiatus
141:Cricetidae
3184:S. alfari
3027:O. couesi
2968:O. victus
2602:N. moerex
2574:N. keaysi
2567:N. devius
2560:N. childi
2510:N. rattus
2453:N. pictus
2299:Melanomys
2287:M. luciae
2244:Megalomys
2157:Hylaeamys
1981:E. polius
1923:C. scotti
1873:C. cailoi
1735:Kingdom:
1673:2246/5815
1637:: 1–113.
1551:Conepatus
815:The 2019
770:El Recreo
696:braincase
393:taxonomic
377:he named
373:of a new
280:, or the
218:Range of
169:Species:
97:Kingdom:
91:Eukaryota
3519:Oryzomys
3468:13000796
3416:10229539
3335:Q2890164
3329:Wikidata
3145:Scolomys
3122:Reigomys
3002:Oryzomys
2479:Nectomys
2408:Neacomys
2386:Mindomys
2221:Lundomys
2202:H. tatei
2010:E. lamia
1937:C. vivoi
1759:Family:
1755:Rodentia
1749:Mammalia
1743:Chordata
1741:Phylum:
1737:Animalia
1682:84088556
1643:2246/905
1555:Nectomys
1547:Molossus
1536:85316706
1516:Mammalia
1436:: 1–23.
1424:Oryzomys
1353:: 1–88.
1343:Nectomys
1276:42256389
810:Oryzomys
766:Río Mico
739:holotype
724:Nectomys
692:Nectomys
604:"rice",
577:Oryzomys
545:Oryzomys
535:Oryzomys
520:Oryzomys
467:Oryzomys
451:Nectomys
410:subgenus
405:Oryzomys
389:Nectomys
384:Nectomys
371:holotype
357:Taxonomy
331:rice rat
310:Oryzomys
305:Oryzomys
300:subgenus
295:Nectomys
234:Synonyms
162:Oryzomys
137:Family:
131:Rodentia
121:Mammalia
111:Chordata
107:Phylum:
101:Animalia
87:Domain:
64:IUCN 3.1
3481:3608305
3455:1002660
3390:2438079
3377:1180001
2711:Oecomys
1753:Order:
1747:Class:
1567:Mesomys
1413:1378303
1334:1378937
1158:dimidio
1122:at the
762:El Rama
617:dimidio
571:of the
375:species
365:of the
284:, is a
203:, 1905)
157:Genus:
127:Order:
117:Class:
62: (
3429:633223
2784:O. rex
1680:
1563:Agouti
1561:, and
1534:
1499:
1480:
1461:
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782:, and
712:molars
708:palate
533:as an
485:was a
465:as an
431:was a
337:as in
286:rodent
258:, 1948
201:Thomas
3442:15594
3411:IRMNG
3403:44487
3364:74ZH8
1678:S2CID
1532:S2CID
1409:JSTOR
1330:JSTOR
1272:S2CID
1096:ὄρυζα
760:near
610:Latin
602:oryza
599:Greek
335:buffy
3437:IUCN
3424:ITIS
3385:GBIF
1608:2019
1497:ISBN
1478:ISBN
1459:ISBN
1289:ISBN
881:2021
864:2019
823:as "
680:pads
660:buff
631:The
477:and
316:and
3463:MSW
3450:MDD
3372:EoL
3359:CoL
1668:hdl
1660:doi
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1629:".
1612:doi
1581:doi
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