Knowledge

Psephophorus

Source ๐Ÿ“

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of the species have shown bony, carapacial ridges, adjacent, small and polygonal bony ossicles which measure about 22 ร— 25 mm. When the ossicles extend further along the longitudinal axis, their size increases up to an average of 33 ร—
389: 626: 1489: 918: 1495: 1519: 1507: 3930: 1513: 1501: 1525: 563: 949:"Fossil sea turtles (Chelonii, Dermochelyidae and Cheloniidae) from the Miocene of Pietra Leccese (late Burdigalian-early Messinian), Southern Italy" 1223: 845: 948: 392:. Up until then, the specimen's identity had been undeterminable, with even Seeley describing it at first to seem like "the dermal covering of an 3821: 693: 2482: 2393: 2401: 2155: 56: 3910: 3915: 410: 405: 3808: 1256: 1195: 1053: 922: 3880: 3735:
Turtles of the World 2017 Update: Annotated Checklist and Atlas of Taxonomy, Synonymy, Distribution, and Conservation Status
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turtles of the world 2017 update: Annotated checklist and atlas of taxonomy, synonymy, distribution, and conservation status
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Weems, Robert E. (1974). "Middle Miocene sea turtles (Syllomus, Procolpochelys, Psephophorus) from the Calvert Formation".
707: 3920: 1211: 829: 3925: 3733: 1543: 982: 674:"A new species of the fossil turtle Psephophorus (Order Testudines) from the Eocene of the South Island, New Zealand" 170: 1141:"On Protostega, the Systematic Position of Dermochelys, and the Morphogeny of the Chelonian Carapace and Plastron" 1006: 3608: 2691: 1227: 3585: 1531: 1249: 582:. This species reached 2.3โ€“2.5 m (7.5โ€“8.2 ft) in body length which is more than 80% bigger than 3744: 2267: 1651: 645: 68: 1179: 3890: 2000: 955: 3900: 1469: 1633: 673: 3935: 3895: 3885: 2646: 1568: 3875: 3502: 1242: 771: 361:, but when he later received a drawing he was able to describe the specimen, which was then in 3852: 3799: 3761: 3474: 2274: 2232: 1872: 1431: 1375: 385: 3826: 3847: 3839: 2218: 1720: 1395: 1203: 1116:"Some Observations on Certain Well-Marked Stages in the Evolution of the Testudinate Humerus" 761:; page 8. By the Zoological Society of London; published 1891. Retrieved on June 28th, 2008. 3460: 2126: 1750: 604: 469: 731: 8: 3445: 1804: 1561: 1449: 618: 2852: 2817: 2684: 2423: 1415: 1160: 1083: 897: 839: 571: 63: 893: 3834: 3395: 2378: 2330: 2321: 2204: 1781: 901: 531: 288: 1164: 800: 3187: 2575: 2550: 2511: 2459: 2190: 1735: 1187: 1152: 1127: 889: 685: 472:
and size. The platelet comprises an external compact layer and an internal zone of
689: 3635: 3283: 3012: 2980: 2617: 2526: 2302: 1888: 1460: 779: 579: 567: 473: 1095: 400:." Seeley examined some bone fragments and concluded the specimen was that of a 3784: 3530: 3520: 3417: 3267: 3107: 2809: 2754: 2496: 2431: 1971: 1962: 1931: 1839: 1728: 1642: 1340: 1320: 1265: 734:. Shark Tooth Hill.com (optionally viewed as a Microsoft Word document). 2003. 150: 1215: 484: 3869: 3710: 3593: 3493: 3482: 3453: 3367: 3251: 3235: 3195: 3129: 3039: 3004: 2948: 2932: 2916: 2890: 2878: 2862: 2840: 2832: 2639: 2350: 2183: 2044: 1991: 1939: 284: 1131: 3645: 3570: 3546: 3063: 2940: 2924: 2900: 2801: 2746: 2670: 2586: 2560: 2474: 2385: 2364: 2288: 2253: 2063: 2029: 1812: 1758: 1314: 639: 377: 358: 179: 878:, v. Meyer, a new Type of Chelonian Reptile allied to the Leathery Turtle" 530:
was first named by Palmer in 1909. It was so named for being found in the
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in 1846. At first he was unable to identify the creature beyond its
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could not be a direct ancestor of the modern leatherbacks. The
345: 280: 120: 90: 805:(Chelonii: Dermochelyidae) from the Miocene of Southern Italy" 2595: 1662: 1553: 447: 421: 264: 778:. Everything2.com (partially derived from an interview with 627:
List of organisms named after famous people (born 1900โ€“1949)
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dermochelyid turtle found in Europe. One species of
828:Henry Alleyne Nicholson; Richard Lydekker (1889). 726: 724: 566:in New Zealand and named in 1995 after the author 3867: 3931:Taxa named by Christian Erich Hermann von Meyer 721: 408:. It also proved to be more closely related to 340: 434:) were believed to be descended directly from 3732:Phylogenetic arrangement of turtles based on 1970: 1569: 1542:Phylogenetic arrangement of turtles based on 1250: 1103:Bulletin of the Geological Society of Denmark 1081: 867: 865: 863: 861: 859: 857: 855: 844:: CS1 maint: multiple names: authors list ( 57:Natural History Museum of Los Angeles County 882:Quarterly Journal of the Geological Society 678:Journal of the Royal Society of New Zealand 517:, and was discovered by von Meyer in 1846. 2775: 1702: 1641: 1576: 1562: 1257: 1243: 983:"Bone histological results of Testudinata" 422:Relation to modern Leatherback sea turtles 42: 1264: 852: 793: 764: 287:, and New Zealand. It was first named by 279:. Its remains have been found in Europe, 495: 483: 344: 337:could measure up to ten feet in length. 1113: 1093: 943: 941: 939: 782:on The Discworld Companion). 2001-11-01 754: 752: 388:, the Director of the Austro-Hungarian 3868: 1029: 1027: 977: 975: 871: 671: 667: 665: 663: 661: 3760: 3759: 1650: 1557: 1238: 1033: 291:in 1847, and contains seven species, 936: 913: 911: 749: 696:from the original on 4 October 2021. 390:Imperial and Royal Geological Survey 319:, and a species discovered in 1995, 1138: 1024: 972: 732:"Sharktooth Hill Fauna, circa 2003" 658: 554:was first named by Gilmore in 1937. 546:was first named by Andrews in 1901. 492:based on morphological descriptions 13: 3911:Cenozoic reptiles of North America 1353: 1075: 921:. nlbif.eti.uva.nl. Archived from 14: 3947: 3916:Oligocene genus first appearances 1172: 908: 894:10.1144/GSL.JGS.1880.036.01-04.32 710:. www.mailtribune.com. 2008-04-27 611: 597: 67: 3678: 3098: 1046: 999: 738:from the original on 2012-12-09 562:was discovered in the 1990s by 500:Hypothetical reconstruction of 468:, despite differences in outer 1583: 821: 700: 462:are quite similar to those on 1: 3881:Fossil taxa described in 1995 1096:"Eocene Turtles from Denmark" 1058:at the Paleobiology Database" 1011:at the Paleobiology Database" 690:10.1080/03014223.1995.9517495 672:Kohler, R. (September 1995). 651: 1532:Psephophorus terrypratchetti 810:. digilander.libero.it. 2004 559:Psephophorus terrypratchetti 502:Psephophorus terrypratchetti 450:were not connected, meaning 341:Discovery and identification 7: 3906:Cenozoic reptiles of Europe 3745:List of Testudines families 1490:Psephophorus californiensis 1120:American Journal of Science 646:Largest prehistoric animals 590: 551:Psephophorus californiensis 538:is a rarely found specimen. 490:Psephophorus californiensis 438:, specifically the species 414:than any other type in the 353:Von Meyer originally named 10: 3952: 3921:Pliocene genus extinctions 479: 369:, which contained seventy 3926:Prehistoric turtle genera 3768: 3728: 3685: 3671: 3633: 3519: 3492: 3357: 3127: 3105: 3089: 3022: 2888: 2850: 2768: 2737: 2585: 2549: 2540: 2340: 2319: 2165: 2052: 2043: 1990: 1961: 1906: 1838: 1691: 1682: 1660: 1659: 1632: 1591: 1540: 1496:Psephophorus calvertensis 1478: 1470:Mesodermochelys undulatus 1458: 1438: 1424: 1404: 1384: 1364: 1351: 1336: 1329: 1273: 1009:Psephophorus calvertensis 831:A Manual of Palaeontology 527:Psephophorus calvertensis 199: 194: 185: 178: 64:Scientific classification 62: 50: 41: 23: 1520:Psephophorus rupeliensis 772:"New Zealand species of 570:, who wrote a series of 426:For a long time, modern 404:creature, furthermore a 16:Extinct genus of turtles 1508:Psephophorus oregonesis 1145:The American Naturalist 1132:10.2475/ajs.s4-9.54.413 1114:Wieland, G. R. (1900). 1094:Nielsen, Eigil (1959). 1087:Ancient Marine Reptiles 1036:Journal of Paleontology 708:"The Oregon Fossil Guy" 380:was asked to study the 51:Skull (LACM 162552) of 1514:Psephophorus polygonus 1432:Leatherback sea turtle 1376:Arabemys crassiscutata 1358: 1084:Nicholls, Elizabeth L. 954:. 2007. Archived from 919:"Turtles of the World" 876:Psephophorus polygonus 872:Seeley, H. G. (1880). 803:Psephophorus polygonus 510:Psephophorus polygonus 504: 493: 396:closely allied to the 386:Franz Ritter von Hauer 365:, as a fragment of a 350: 3848:Paleobiology Database 1502:Psephophorus eocaenus 1396:Corsochelys halinches 1357: 1056:Psephophorus eocaenus 988:. hss.ulb.uni-bonn.de 543:Psephophorus eocaenus 499: 487: 348: 1526:Psephophorus scaldii 1224:"www.charleston.net" 888:(406โ€“413): 406โ€“413. 605:Palaeontology portal 271:that lived from the 1450:Eosphargis breineri 1139:Hay, O. P. (1898). 1082:Callaway, Jack M.; 619:Paleontology portal 2853:Nanhsiungchelyidae 2818:Macrocephalochelys 1416:Cosmochelys dolloi 1359: 505: 494: 351: 321:P. terrypratchetti 234:P. terrypratchetti 3891:Oligocene turtles 3863: 3862: 3835:Open Tree of Life 3762:Taxon identifiers 3753: 3752: 3724: 3723: 3720: 3719: 3667: 3666: 3663: 3662: 3085: 3084: 3081: 3080: 2764: 2763: 2536: 2535: 2039: 2038: 1957: 1956: 1678: 1677: 1674: 1673: 1670: 1669: 1551: 1550: 1349: 1348: 1204:"www.taxonomy.nl" 532:Calvert Formation 309:P. californiensis 289:Hermann von Meyer 253: 252: 228:P. californiensis 174: 3943: 3901:Pliocene turtles 3856: 3855: 3843: 3842: 3830: 3829: 3817: 3816: 3804: 3803: 3802: 3789: 3788: 3787: 3757: 3756: 3683: 3682: 3676: 3675: 3188:Chupacabrachelys 3103: 3102: 3096: 3095: 2773: 2772: 2551:Carettochelyidae 2547: 2546: 2050: 2049: 1968: 1967: 1700: 1699: 1689: 1688: 1657: 1656: 1648: 1647: 1639: 1638: 1578: 1571: 1564: 1555: 1554: 1356: 1334: 1333: 1259: 1252: 1245: 1236: 1235: 1231: 1226:. Archived from 1219: 1214:. Archived from 1207: 1199: 1191: 1188:"zipcodezoo.com" 1183: 1168: 1151:(384): 929โ€“948. 1135: 1126:(54): 413โ€“424 . 1110: 1100: 1090: 1069: 1068: 1066: 1065: 1050: 1044: 1043: 1031: 1022: 1021: 1019: 1018: 1003: 997: 996: 994: 993: 987: 979: 970: 969: 967: 966: 960: 953: 945: 934: 933: 931: 930: 915: 906: 905: 869: 850: 849: 843: 835: 825: 819: 818: 816: 815: 809: 801:"New Remains of 797: 791: 790: 788: 787: 768: 762: 756: 747: 746: 744: 743: 728: 719: 718: 716: 715: 704: 698: 697: 669: 621: 616: 615: 614: 607: 602: 601: 600: 169: 162: 72: 71: 46: 29:Temporal range: 21: 20: 3951: 3950: 3946: 3945: 3944: 3942: 3941: 3940: 3936:Extinct turtles 3896:Miocene turtles 3886:Terry Pratchett 3866: 3865: 3864: 3859: 3851: 3846: 3838: 3833: 3825: 3820: 3812: 3807: 3798: 3797: 3792: 3783: 3782: 3777: 3764: 3754: 3749: 3716: 3659: 3636:Sahonachelyidae 3629: 3515: 3488: 3353: 3284:Phosphatochelys 3123: 3077: 3018: 3013:Terlinguachelys 2981:Pneumatoarthrus 2884: 2846: 2760: 2733: 2581: 2532: 2336: 2315: 2303:Siebenrockiella 2161: 2035: 1986: 1953: 1902: 1889:Mesodermochelys 1834: 1695: 1666: 1628: 1587: 1582: 1552: 1547: 1536: 1474: 1461:Mesodermochelys 1454: 1434: 1420: 1400: 1380: 1360: 1354: 1345: 1338:Species of the 1325: 1269: 1263: 1222: 1210: 1202: 1194: 1186: 1178: 1175: 1098: 1078: 1076:Further reading 1073: 1072: 1063: 1061: 1052: 1051: 1047: 1032: 1025: 1016: 1014: 1005: 1004: 1000: 991: 989: 985: 981: 980: 973: 964: 962: 958: 951: 947: 946: 937: 928: 926: 917: 916: 909: 870: 853: 837: 836: 834:. p. 1091. 826: 822: 813: 811: 807: 799: 798: 794: 785: 783: 780:Terry Pratchett 770: 769: 765: 757: 750: 741: 739: 730: 729: 722: 713: 711: 706: 705: 701: 670: 659: 654: 617: 612: 610: 603: 598: 596: 593: 578:on the back of 576:a world carried 568:Terry Pratchett 536:P. calvertensis 488:restoration of 482: 474:cancellous bone 424: 343: 297:P. calvertensis 210:P. calvertensis 190: 168: 160: 66: 37: 27: 17: 12: 11: 5: 3949: 3939: 3938: 3933: 3928: 3923: 3918: 3913: 3908: 3903: 3898: 3893: 3888: 3883: 3878: 3876:Dermochelyidae 3861: 3860: 3858: 3857: 3844: 3831: 3818: 3805: 3790: 3774: 3772: 3766: 3765: 3751: 3750: 3748: 3747: 3740: 3739: 3738:. โ€  = extinct. 3729: 3726: 3725: 3722: 3721: 3718: 3717: 3715: 3714: 3706: 3698: 3689: 3687: 3680: 3673: 3669: 3668: 3665: 3664: 3661: 3660: 3658: 3657: 3649: 3640: 3638: 3631: 3630: 3628: 3627: 3619: 3612: 3605: 3597: 3589: 3582: 3574: 3566: 3558: 3550: 3542: 3534: 3531:Albertwoodemys 3525: 3523: 3521:Podocnemididae 3517: 3516: 3514: 3513: 3506: 3498: 3496: 3490: 3489: 3487: 3486: 3478: 3471: 3464: 3457: 3449: 3442: 3435: 3428: 3421: 3418:Lomalatachelys 3413: 3406: 3399: 3392: 3385: 3378: 3371: 3363: 3361: 3355: 3354: 3352: 3351: 3343: 3335: 3327: 3319: 3311: 3303: 3295: 3287: 3279: 3271: 3268:Labrostochelys 3263: 3255: 3247: 3239: 3231: 3223: 3215: 3207: 3199: 3191: 3183: 3175: 3167: 3159: 3151: 3143: 3134: 3132: 3125: 3124: 3122: 3121: 3112: 3110: 3108:Araripemydidae 3100: 3093: 3087: 3086: 3083: 3082: 3079: 3078: 3076: 3075: 3067: 3059: 3051: 3043: 3035: 3026: 3024: 3020: 3019: 3017: 3016: 3008: 3000: 2992: 2984: 2976: 2968: 2960: 2952: 2944: 2936: 2928: 2920: 2912: 2904: 2895: 2893: 2886: 2885: 2883: 2882: 2874: 2866: 2857: 2855: 2848: 2847: 2845: 2844: 2836: 2828: 2821: 2813: 2810:Emarginachelys 2805: 2797: 2789: 2781: 2779: 2770: 2766: 2765: 2762: 2761: 2759: 2758: 2755:Sinaspideretes 2750: 2741: 2739: 2735: 2734: 2732: 2731: 2724: 2717: 2710: 2703: 2695: 2688: 2681: 2674: 2666: 2658: 2650: 2643: 2635: 2628: 2621: 2614: 2606: 2599: 2591: 2589: 2583: 2582: 2580: 2579: 2572: 2564: 2555: 2553: 2544: 2538: 2537: 2534: 2533: 2531: 2530: 2523: 2515: 2508: 2500: 2493: 2486: 2478: 2470: 2463: 2456: 2449: 2442: 2435: 2432:Hesperotestudo 2427: 2419: 2412: 2405: 2397: 2389: 2382: 2375: 2368: 2361: 2354: 2346: 2344: 2338: 2337: 2335: 2334: 2326: 2324: 2322:Platysternidae 2317: 2316: 2314: 2313: 2306: 2299: 2292: 2285: 2278: 2271: 2264: 2257: 2250: 2243: 2236: 2229: 2222: 2215: 2208: 2201: 2194: 2187: 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1419: 1418: 1411: 1409: 1402: 1401: 1399: 1398: 1391: 1389: 1382: 1381: 1379: 1378: 1371: 1369: 1362: 1361: 1352: 1350: 1347: 1346: 1341:Dermochelyidae 1331: 1327: 1326: 1324: 1323: 1321:Dermochelyidae 1317: 1311: 1305: 1299: 1293: 1287: 1281: 1274: 1271: 1270: 1266:Dermochelyidae 1262: 1261: 1254: 1247: 1239: 1233: 1232: 1230:on 2007-06-26. 1220: 1218:on 2007-06-23. 1208: 1200: 1192: 1184: 1174: 1173:External links 1171: 1170: 1169: 1157:10.1086/277069 1136: 1111: 1091: 1077: 1074: 1071: 1070: 1045: 1023: 998: 971: 935: 907: 851: 820: 792: 763: 748: 720: 699: 684:(3): 371โ€“384. 656: 655: 653: 650: 649: 648: 643: 636: 629: 623: 622: 608: 592: 589: 588: 587: 580:a giant turtle 564:Richard Kรถhler 555: 547: 539: 523: 481: 478: 423: 420: 342: 339: 313:P. rupeliensis 251: 250: 249: 248: 242: 240:P. rupeliensis 236: 230: 224: 218: 212: 206: 197: 196: 192: 191: 183: 182: 176: 175: 158: 154: 153: 151:Dermochelyidae 148: 144: 143: 138: 134: 133: 128: 124: 123: 118: 114: 113: 108: 104: 103: 98: 94: 93: 88: 84: 83: 78: 74: 73: 60: 59: 48: 47: 39: 38: 28: 15: 9: 6: 4: 3: 2: 3948: 3937: 3934: 3932: 3929: 3927: 3924: 3922: 3919: 3917: 3914: 3912: 3909: 3907: 3904: 3902: 3899: 3897: 3894: 3892: 3889: 3887: 3884: 3882: 3879: 3877: 3874: 3873: 3871: 3854: 3849: 3845: 3841: 3836: 3832: 3828: 3823: 3819: 3815: 3810: 3806: 3801: 3795: 3791: 3786: 3780: 3776: 3775: 3773: 3771: 3767: 3763: 3758: 3746: 3742: 3741: 3737: 3736: 3731: 3730: 3727: 3713: 3712: 3711:Tacuarembemys 3707: 3705: 3704: 3699: 3697: 3696: 3691: 3690: 3688: 3684: 3681: 3677: 3674: 3670: 3656: 3655: 3650: 3648: 3647: 3646:Sahonachelys 3642: 3641: 3639: 3637: 3632: 3626: 3625: 3620: 3618: 3617: 3613: 3611: 3610: 3609:Peltocephalus 3606: 3604: 3603: 3598: 3596: 3595: 3594:Lapparentemys 3590: 3588: 3587: 3583: 3581: 3580: 3575: 3573: 3572: 3567: 3565: 3564: 3559: 3557: 3556: 3551: 3549: 3548: 3543: 3541: 3540: 3535: 3533: 3532: 3527: 3526: 3524: 3522: 3518: 3512: 3511: 3507: 3505: 3504: 3500: 3499: 3497: 3495: 3494:Pelomedusidae 3491: 3485: 3484: 3483:Yaminuechelys 3479: 3477: 3476: 3472: 3470: 3469: 3465: 3463: 3462: 3458: 3456: 3455: 3454:Prochelidella 3450: 3448: 3447: 3443: 3441: 3440: 3436: 3434: 3433: 3429: 3427: 3426: 3422: 3420: 3419: 3414: 3412: 3411: 3407: 3405: 3404: 3400: 3398: 3397: 3393: 3391: 3390: 3386: 3384: 3383: 3379: 3377: 3376: 3372: 3370: 3369: 3368:Acanthochelys 3365: 3364: 3362: 3360: 3356: 3350: 3349: 3344: 3342: 3341: 3336: 3334: 3333: 3328: 3326: 3325: 3320: 3318: 3317: 3312: 3310: 3309: 3304: 3302: 3301: 3296: 3294: 3293: 3288: 3286: 3285: 3280: 3278: 3277: 3272: 3270: 3269: 3264: 3262: 3261: 3256: 3254: 3253: 3252:Kinkonychelys 3248: 3246: 3245: 3240: 3238: 3237: 3236:Itapecuruemys 3232: 3230: 3229: 3224: 3222: 3221: 3216: 3214: 3213: 3208: 3206: 3205: 3200: 3198: 3197: 3196:Eotaphrosphys 3192: 3190: 3189: 3184: 3182: 3181: 3176: 3174: 3173: 3168: 3166: 3165: 3160: 3158: 3157: 3152: 3150: 3149: 3144: 3142: 3141: 3136: 3135: 3133: 3131: 3130:Bothremydidae 3126: 3120: 3119: 3114: 3113: 3111: 3109: 3104: 3101: 3097: 3094: 3092: 3088: 3074: 3073: 3068: 3066: 3065: 3060: 3058: 3057: 3052: 3050: 3049: 3044: 3042: 3041: 3040:Argillochelys 3036: 3034: 3033: 3028: 3027: 3025: 3021: 3015: 3014: 3009: 3007: 3006: 3005:Santanachelys 3001: 2999: 2998: 2993: 2991: 2990: 2985: 2983: 2982: 2977: 2975: 2974: 2969: 2967: 2966: 2961: 2959: 2958: 2953: 2951: 2950: 2949:Desmatochelys 2945: 2943: 2942: 2937: 2935: 2934: 2933:Calcarichelys 2929: 2927: 2926: 2921: 2919: 2918: 2917:Atlantochelys 2913: 2911: 2910: 2905: 2903: 2902: 2897: 2896: 2894: 2892: 2891:Protostegidae 2887: 2881: 2880: 2879:Jiangxichelys 2875: 2873: 2872: 2867: 2865: 2864: 2863:Anomalochelys 2859: 2858: 2856: 2854: 2849: 2843: 2842: 2841:Protochelydra 2837: 2835: 2834: 2833:Planiplastron 2829: 2827: 2826: 2822: 2820: 2819: 2814: 2812: 2811: 2806: 2804: 2803: 2798: 2796: 2795: 2790: 2788: 2787: 2783: 2782: 2780: 2778: 2774: 2771: 2767: 2757: 2756: 2751: 2749: 2748: 2743: 2742: 2740: 2736: 2730: 2729: 2725: 2723: 2722: 2718: 2716: 2715: 2711: 2709: 2708: 2704: 2702: 2701: 2696: 2694: 2693: 2689: 2687: 2686: 2682: 2680: 2679: 2675: 2673: 2672: 2667: 2665: 2664: 2659: 2657: 2656: 2651: 2649: 2648: 2644: 2642: 2641: 2640:Drazinderetes 2636: 2634: 2633: 2629: 2627: 2626: 2622: 2620: 2619: 2615: 2613: 2612: 2607: 2605: 2604: 2600: 2598: 2597: 2593: 2592: 2590: 2588: 2584: 2578: 2577: 2576:Carettochelys 2573: 2571: 2570: 2565: 2563: 2562: 2557: 2556: 2554: 2552: 2548: 2545: 2543: 2539: 2529: 2528: 2524: 2522: 2521: 2516: 2514: 2513: 2509: 2507: 2506: 2501: 2499: 2498: 2494: 2492: 2491: 2487: 2485: 2484: 2479: 2477: 2476: 2471: 2469: 2468: 2464: 2462: 2461: 2460:Malacochersus 2457: 2455: 2454: 2450: 2448: 2447: 2443: 2441: 2440: 2436: 2434: 2433: 2428: 2426: 2425: 2420: 2418: 2417: 2413: 2411: 2410: 2406: 2404: 2403: 2398: 2396: 2395: 2390: 2388: 2387: 2383: 2381: 2380: 2376: 2374: 2373: 2369: 2367: 2366: 2362: 2360: 2359: 2355: 2353: 2352: 2351:Aldabrachelys 2348: 2347: 2345: 2343: 2339: 2333: 2332: 2328: 2327: 2325: 2323: 2318: 2312: 2311: 2307: 2305: 2304: 2300: 2298: 2297: 2293: 2291: 2290: 2286: 2284: 2283: 2279: 2277: 2276: 2272: 2270: 2269: 2265: 2263: 2262: 2258: 2256: 2255: 2251: 2249: 2248: 2244: 2242: 2241: 2237: 2235: 2234: 2233:Leucocephalon 2230: 2228: 2227: 2223: 2221: 2220: 2216: 2214: 2213: 2209: 2207: 2206: 2202: 2200: 2199: 2195: 2193: 2192: 2188: 2186: 2185: 2184:Banhxeochelys 2180: 2178: 2177: 2173: 2172: 2170: 2168: 2164: 2158: 2157: 2152: 2150: 2149: 2145: 2143: 2142: 2138: 2136: 2135: 2131: 2129: 2128: 2124: 2122: 2121: 2117: 2115: 2114: 2110: 2108: 2107: 2103: 2101: 2100: 2096: 2094: 2093: 2089: 2087: 2086: 2082: 2080: 2079: 2075: 2073: 2072: 2068: 2066: 2065: 2060: 2059: 2057: 2055: 2051: 2048: 2046: 2045:Testudinoidea 2042: 2032: 2031: 2027: 2025: 2024: 2020: 2018: 2017: 2013: 2011: 2010: 2005: 2003: 2002: 1998: 1997: 1995: 1993: 1992:Kinosternidae 1989: 1983: 1982: 1978: 1977: 1975: 1973: 1969: 1966: 1964: 1960: 1950: 1949: 1944: 1942: 1941: 1940:Protosphargis 1936: 1934: 1933: 1928: 1926: 1925: 1920: 1918: 1917: 1912: 1911: 1909: 1905: 1899: 1898: 1893: 1891: 1890: 1885: 1883: 1882: 1877: 1875: 1874: 1870: 1868: 1867: 1862: 1860: 1859: 1854: 1852: 1851: 1846: 1845: 1843: 1841: 1837: 1831: 1830: 1825: 1823: 1822: 1817: 1815: 1814: 1809: 1807: 1806: 1802: 1800: 1799: 1794: 1792: 1791: 1786: 1784: 1783: 1779: 1777: 1776: 1771: 1769: 1768: 1763: 1761: 1760: 1755: 1753: 1752: 1748: 1746: 1745: 1740: 1738: 1737: 1733: 1731: 1730: 1725: 1723: 1722: 1718: 1716: 1715: 1710: 1709: 1707: 1705: 1701: 1698: 1696:(Sea turtles) 1694: 1690: 1687: 1685: 1681: 1665: 1664: 1658: 1655: 1653: 1649: 1646: 1644: 1640: 1637: 1635: 1631: 1625: 1621: 1619: 1615: 1612: 1610: 1606: 1604: 1600: 1598: 1594: 1593: 1590: 1586: 1579: 1574: 1572: 1567: 1565: 1560: 1559: 1556: 1545: 1539: 1533: 1529: 1527: 1523: 1521: 1517: 1515: 1511: 1509: 1505: 1503: 1499: 1497: 1493: 1491: 1487: 1486: 1484: 1482: 1477: 1471: 1467: 1466: 1464: 1462: 1457: 1451: 1447: 1446: 1444: 1442: 1437: 1433: 1429: 1427: 1423: 1417: 1413: 1412: 1410: 1408: 1403: 1397: 1393: 1392: 1390: 1388: 1383: 1377: 1373: 1372: 1370: 1368: 1363: 1343: 1342: 1335: 1332: 1328: 1322: 1318: 1316: 1313:Superfamily: 1312: 1310: 1306: 1304: 1300: 1298: 1294: 1292: 1288: 1286: 1282: 1280: 1276: 1275: 1272: 1267: 1260: 1255: 1253: 1248: 1246: 1241: 1240: 1237: 1229: 1225: 1221: 1217: 1213: 1212:"web.usal.es" 1209: 1205: 1201: 1197: 1196:"paleodb.org" 1193: 1189: 1185: 1181: 1180:"geosites.dk" 1177: 1176: 1166: 1162: 1158: 1154: 1150: 1146: 1142: 1137: 1133: 1129: 1125: 1121: 1117: 1112: 1108: 1104: 1097: 1092: 1088: 1085: 1080: 1079: 1060:. paleodb.org 1059: 1057: 1049: 1042:(2): 279โ€“303. 1041: 1037: 1030: 1028: 1013:. paleodb.org 1012: 1010: 1002: 984: 978: 976: 961:on 2009-04-19 957: 950: 944: 942: 940: 925:on 2011-06-08 924: 920: 914: 912: 903: 899: 895: 891: 887: 883: 879: 877: 868: 866: 864: 862: 860: 858: 856: 847: 841: 833: 832: 824: 806: 804: 796: 781: 777: 775: 767: 760: 755: 753: 737: 733: 727: 725: 709: 703: 695: 691: 687: 683: 679: 675: 668: 666: 664: 662: 657: 647: 644: 642: 641: 637: 635: 634: 630: 628: 625: 624: 620: 609: 606: 595: 585: 581: 577: 573: 572:fantasy books 569: 565: 561: 560: 556: 553: 552: 548: 545: 544: 540: 537: 533: 529: 528: 524: 520: 516: 512: 511: 507: 506: 503: 498: 491: 486: 477: 475: 471: 467: 466: 461: 457: 453: 449: 445: 441: 437: 433: 430:sea turtles ( 429: 419: 417: 413: 412: 407: 403: 399: 395: 391: 387: 383: 379: 374: 372: 368: 364: 360: 359:dermal plates 356: 347: 338: 336: 332: 328: 324: 322: 318: 314: 310: 306: 305:P. oregonesis 302: 298: 294: 290: 286: 285:North America 282: 278: 274: 270: 266: 263: 259: 258: 247: 243: 241: 237: 235: 231: 229: 225: 223: 222:P. oregonesis 219: 217: 213: 211: 207: 205: 201: 200: 198: 193: 189: 184: 181: 177: 172: 167: 166: 159: 156: 155: 152: 149: 146: 145: 142: 139: 137:Superfamily: 136: 135: 132: 129: 126: 125: 122: 119: 116: 115: 112: 109: 106: 105: 102: 99: 96: 95: 92: 89: 86: 85: 82: 79: 76: 75: 70: 65: 61: 58: 54: 49: 45: 40: 36: 32: 26: 22: 19: 3800:Psephophorus 3770:Psephophorus 3769: 3734: 3709: 3701: 3693: 3652: 3644: 3622: 3614: 3607: 3600: 3592: 3586:Erymnochelys 3584: 3577: 3571:Cerrejonemys 3569: 3561: 3553: 3547:Brontochelys 3545: 3537: 3529: 3508: 3501: 3481: 3473: 3466: 3461:Pseudemydura 3459: 3452: 3444: 3437: 3430: 3423: 3416: 3408: 3401: 3394: 3387: 3380: 3373: 3366: 3346: 3338: 3330: 3322: 3314: 3306: 3298: 3290: 3282: 3274: 3266: 3258: 3250: 3242: 3234: 3226: 3218: 3210: 3202: 3194: 3186: 3178: 3170: 3162: 3154: 3146: 3138: 3116: 3070: 3064:Prionochelys 3062: 3054: 3046: 3038: 3030: 3011: 3003: 2995: 2987: 2979: 2971: 2963: 2955: 2947: 2941:Cratochelone 2939: 2931: 2925:Bouliachelys 2923: 2915: 2907: 2901:Alienochelys 2899: 2877: 2869: 2861: 2839: 2831: 2823: 2816: 2808: 2802:Chelydropsis 2800: 2792: 2784: 2753: 2747:Basilochelys 2745: 2726: 2719: 2712: 2705: 2698: 2690: 2683: 2676: 2671:Khunnuchelys 2669: 2661: 2653: 2645: 2638: 2630: 2623: 2616: 2609: 2601: 2594: 2587:Trionychidae 2574: 2567: 2561:Allaeochelys 2559: 2525: 2518: 2512:Stigmochelys 2510: 2503: 2495: 2488: 2481: 2475:Megalochelys 2473: 2465: 2458: 2451: 2444: 2437: 2430: 2422: 2414: 2407: 2400: 2392: 2386:Cylindraspis 2384: 2377: 2370: 2365:Centrochelys 2363: 2356: 2349: 2342:Testudinidae 2331:Platysternon 2329: 2310:Vijayachelys 2308: 2301: 2294: 2289:Rhinoclemmys 2287: 2280: 2273: 2266: 2259: 2254:Melanochelys 2252: 2245: 2238: 2231: 2224: 2217: 2210: 2203: 2196: 2189: 2182: 2174: 2154: 2146: 2139: 2132: 2125: 2118: 2111: 2104: 2097: 2090: 2083: 2076: 2069: 2064:Acherontemys 2062: 2030:Sternotherus 2028: 2021: 2014: 2007: 1999: 1979: 1946: 1938: 1930: 1922: 1914: 1897:Psephophorus 1896: 1895: 1887: 1879: 1871: 1864: 1856: 1848: 1827: 1819: 1813:Pacifichelys 1811: 1803: 1796: 1788: 1782:Lepidochelys 1780: 1773: 1765: 1759:Gigantatypus 1757: 1751:Eretmochelys 1749: 1742: 1734: 1727: 1719: 1712: 1693:Chelonioidea 1661: 1613: 1546:. โ€ =Extinct. 1481:Psephophorus 1480: 1339: 1315:Chelonioidea 1228:the original 1216:the original 1148: 1144: 1123: 1122:. Series 4. 1119: 1109:(2): 96โ€“114. 1106: 1102: 1086: 1062:. Retrieved 1055: 1048: 1039: 1035: 1015:. Retrieved 1008: 1001: 990:. Retrieved 963:. Retrieved 956:the original 927:. Retrieved 923:the original 885: 881: 875: 830: 823: 812:. Retrieved 802: 795: 784:. Retrieved 774:Psephophorus 773: 766: 758: 740:. Retrieved 712:. Retrieved 702: 681: 677: 640:Gigantatypus 638: 631: 583: 558: 557: 550: 549: 542: 541: 535: 526: 525: 513:is the type 509: 508: 501: 489: 463: 460:Psephophorus 459: 452:Psephophorus 451: 440:P. polygonus 439: 436:Psephophorus 435: 431: 425: 409: 384:specimen by 382:Psephophorus 381: 378:H. G. Seeley 375: 355:Psephophorus 354: 352: 335:Psephophorus 334: 329:is the only 327:Psephophorus 326: 325: 320: 316: 312: 308: 304: 300: 296: 293:P. polygonus 292: 257:Psephophorus 256: 255: 254: 245: 239: 233: 227: 221: 215: 209: 204:P. polygonus 203: 188:P. polygonus 187: 180:Type species 165:Psephophorus 164: 163: 141:Chelonioidea 52: 25:Psephophorus 24: 18: 3794:Wikispecies 3624:Stupendemys 3579:Cordichelys 3425:Mesoclemmys 3410:Hydromedusa 3332:Taphrosphys 3324:Sankuchemys 3316:Rhothonemys 3292:Polysternon 3172:Cearachelys 3156:Azabbaremys 3140:Araiochelys 3056:Ctenochelys 3048:Bashuchelys 2997:Rhinochelys 2973:Ocepechelon 2965:Notochelone 2957:Iserosaurus 2825:Macrochelys 2777:Chelydridae 2700:Palaeoamyda 2625:Cyclanorbis 2490:Psammobates 2483:Oligopherus 2446:Indotestudo 2394:Cymatholcus 2372:Chelonoidis 2358:Astrochelys 2167:Geoemydidae 2085:Deirochelys 2023:Staurotypus 2016:Kinosternon 2009:Hoplochelys 1924:Peritresius 1873:Dermochelys 1866:Cosmochelys 1858:Corsochelys 1775:Itilochelys 1767:Glarichelys 1714:Allopleuron 1704:Cheloniidae 1643:Superfamily 1426:Dermochelys 1407:Cosmochelys 1387:Corsochelys 759:Proceedings 584:P. eocaenus 522:41 mm. 465:Dermochelys 446:in the two 432:Dermochelys 428:Leatherback 398:Armadilloes 301:P. eocaenus 216:P. eocaenus 55:sp. at the 3870:Categories 3703:Caririemys 3616:Podocnemis 3602:Latentemys 3563:Carbonemys 3503:Pelomedusa 3340:Ummulisani 3260:Kurmademys 3228:Inaechelys 3212:Galianemys 3180:Chedighaii 3118:Araripemys 3091:Pleurodira 3072:Toxochelys 2989:Protostega 2794:Chelydrops 2714:Pelodiscus 2707:Pelochelys 2655:Gilmoremys 2632:Cycloderma 2542:Trionychia 2409:Geochelone 2402:Floridemys 2268:Notochelys 2156:Wilburemys 2127:Malaclemys 1981:Dermatemys 1948:Puppigerus 1881:Eosphargis 1798:Miocaretta 1790:Mexichelys 1684:Cryptodira 1624:Testudines 1585:Testudines 1441:Eosphargis 1309:Cryptodira 1307:Suborder: 1303:Testudines 1295:Subclass: 1064:2008-06-27 1017:2008-06-27 992:2008-06-27 965:2008-06-27 929:2008-06-27 814:2008-06-27 786:2008-06-27 742:2008-06-28 714:2008-06-28 652:References 470:morphology 317:P. scaldii 269:sea turtle 246:P. scaldii 131:Cryptodira 127:Suborder: 121:Testudines 3743:See also 3695:Caribemys 3555:Caninemys 3539:Bauruemys 3468:Rheodytes 3432:Myuchelys 3375:Chelodina 3300:Puentemys 3276:Nigeremys 3220:Ilatardia 3164:Bothremys 2871:Basilemys 2685:Nilssonia 2663:Hutchemys 2611:Axestemys 2569:Anosteira 2424:Hadrianus 2282:Pangshura 2240:Malayemys 2205:Geoclemys 2148:Trachemys 2141:Terrapene 2134:Pseudemys 2120:Graptemys 2113:Glyptemys 2106:Emydoidea 2099:Actinemys 2071:Chrysemys 1916:Euclastes 1744:Eochelone 1595:Kingdom: 1277:Kingdom: 902:131226091 874:"Note on 840:cite book 456:platelets 416:Chelonian 402:reptilian 376:In 1879, 363:Pressburg 273:Oligocene 171:von Meyer 87:Kingdom: 81:Eukaryota 31:Oligocene 3785:Q7254102 3779:Wikidata 3510:Pelusios 3475:Rhinemys 3446:Platemys 3439:Phrynops 3359:Chelidae 3348:Zolhafah 3244:Jainemys 2909:Archelon 2786:Chelydra 2678:Lissemys 2520:Stylemys 2505:Solitudo 2467:Manouria 2416:Gopherus 2379:Chersina 2247:Mauremys 2226:Heosemys 2219:Hardella 2212:Geoemyda 2198:Cyclemys 2054:Emydidae 2001:Claudius 1850:Arabemys 1829:Tasbacka 1821:Syllomus 1736:Chelonia 1634:Suborder 1618:Diapsida 1609:Reptilia 1603:Chordata 1601:Phylum: 1597:Animalia 1367:Arabemys 1319:Family: 1297:Anapsida 1291:Reptilia 1285:Chordata 1283:Phylum: 1279:Animalia 1165:86769103 736:Archived 694:Archived 633:Archelon 591:See also 411:Sphargis 406:chelonid 394:Edentate 367:carapace 277:Pliocene 195:Species 147:Family: 111:Reptilia 101:Chordata 97:Phylum: 91:Animalia 77:Domain: 35:Pliocene 3840:3606433 3827:1335322 3814:4818687 3654:Sokatra 3403:Emydura 3308:Rosasia 3204:Foxemys 3148:Arenila 2728:Trionyx 2721:Rafetus 2647:Dogania 2603:Apalone 2527:Testudo 2453:Kinixys 2439:Homopus 2296:Sacalia 2275:Orlitia 2261:Morenia 2176:Batagur 2078:Clemmys 1805:Natator 1721:Caretta 1622:Order: 1607:Class: 1301:Order: 1289:Class: 574:set on 519:Fossils 515:species 480:Species 418:order. 331:Miocene 275:to the 262:extinct 157:Genus: 117:Order: 107:Class: 3686:  3679:  3672:  3396:Elusor 3389:Elseya 3382:Chelus 3099:  3032:Adocus 3023:  2769:  2738:  2618:Chitra 2320:  1907:  1652:Family 1344:family 1330:Genera 1268:family 1163:  900:  448:genera 281:Africa 260:is an 173:, 1847 3853:36369 3822:IRMNG 2692:Palea 2596:Amyda 2497:Pyxis 2191:Cuora 1663:Genus 1614:Clade 1161:S2CID 1099:(PDF) 986:(PDF) 959:(PDF) 952:(PDF) 898:S2CID 808:(PDF) 371:bones 349:Shell 265:genus 3809:GBIF 2092:Emys 846:link 444:taxa 1153:doi 1128:doi 890:doi 686:doi 458:on 267:of 3872:: 3850:: 3837:: 3824:: 3811:: 3796:: 3781:: 1616:: 1159:. 1149:32 1147:. 1143:. 1118:. 1107:14 1105:. 1101:. 1040:48 1038:. 1026:^ 974:^ 938:^ 910:^ 896:. 886:36 884:. 880:. 854:^ 842:}} 838:{{ 751:^ 723:^ 692:. 682:25 680:. 676:. 660:^ 534:. 476:. 373:. 323:. 315:, 311:, 307:, 303:, 299:, 295:, 283:, 53:P. 3708:โ€  3700:โ€  3692:โ€  3651:โ€  3643:โ€  3634:โ€  3621:โ€  3599:โ€  3591:โ€  3576:โ€  3568:โ€  3560:โ€  3552:โ€  3544:โ€  3536:โ€  3528:โ€  3480:โ€  3451:โ€  3415:โ€  3345:โ€  3337:โ€  3329:โ€  3321:โ€  3313:โ€  3305:โ€  3297:โ€  3289:โ€  3281:โ€  3273:โ€  3265:โ€  3257:โ€  3249:โ€  3241:โ€  3233:โ€  3225:โ€  3217:โ€  3209:โ€  3201:โ€  3193:โ€  3185:โ€  3177:โ€  3169:โ€  3161:โ€  3153:โ€  3145:โ€  3137:โ€  3128:โ€  3115:โ€  3106:โ€  3069:โ€  3061:โ€  3053:โ€  3045:โ€  3037:โ€  3029:โ€  3010:โ€  3002:โ€  2994:โ€  2986:โ€  2978:โ€  2970:โ€  2962:โ€  2954:โ€  2946:โ€  2938:โ€  2930:โ€  2922:โ€  2914:โ€  2906:โ€  2898:โ€  2889:โ€  2876:โ€  2868:โ€  2860:โ€  2851:โ€  2838:โ€  2830:โ€  2815:โ€  2807:โ€  2799:โ€  2791:โ€  2752:โ€  2744:โ€  2697:โ€  2668:โ€  2660:โ€  2652:โ€  2637:โ€  2608:โ€  2566:โ€  2558:โ€  2517:โ€  2502:โ€  2480:โ€  2472:โ€  2429:โ€  2421:โ€  2399:โ€  2391:โ€  2181:โ€  2153:โ€  2061:โ€  2006:โ€  1945:โ€  1937:โ€  1929:โ€  1921:โ€  1913:โ€  1894:โ€  1886:โ€  1878:โ€  1863:โ€  1855:โ€  1847:โ€  1826:โ€  1818:โ€  1810:โ€  1795:โ€  1787:โ€  1772:โ€  1764:โ€  1756:โ€  1741:โ€  1726:โ€  1711:โ€  1577:e 1570:t 1563:v 1530:โ€  1524:โ€  1518:โ€  1512:โ€  1506:โ€  1500:โ€  1494:โ€  1488:โ€  1479:โ€  1468:โ€  1459:โ€  1448:โ€  1439:โ€  1414:โ€  1405:โ€  1394:โ€  1385:โ€  1374:โ€  1365:โ€  1258:e 1251:t 1244:v 1206:. 1198:. 1190:. 1182:. 1167:. 1155:: 1134:. 1130:: 1124:9 1089:. 1067:. 1054:" 1020:. 1007:" 995:. 968:. 932:. 904:. 892:: 848:) 817:. 789:. 776:" 745:. 717:. 688:: 586:. 244:โ€  238:โ€  232:โ€  226:โ€  220:โ€  214:โ€  208:โ€  202:โ€  186:โ€  161:โ€  33:-

Index

Oligocene
Pliocene

Natural History Museum of Los Angeles County
Scientific classification
Edit this classification
Eukaryota
Animalia
Chordata
Reptilia
Testudines
Cryptodira
Chelonioidea
Dermochelyidae
Psephophorus
von Meyer
Type species
extinct
genus
sea turtle
Oligocene
Pliocene
Africa
North America
Hermann von Meyer
Miocene

dermal plates
Pressburg
carapace

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