Knowledge

Heloderma

Source 📝

613: 819: 835: 644: 968: 941: 929: 1619: 115: 139: 462: 914: 899: 582: 726: 952: 1530: 976: 548: 368:) and four species of beaded lizards. Their eyes are immobile and fixed in their head. The Gila monster is a large, stocky, most of the time slow-moving reptile that prefers arid deserts. Beaded lizards are seen to be more agile and seem to prefer more humid surroundings. The tails of all species of 1381:
Vidal, Nicolas; Marin, Julie; Sassi, Julia; Battistuzzi, Fabia U.; Donnellan, Steve; Fitch, Alison J.; Fry, Bryan G.; Vonk, Freek J.; Rodriguez de la Vega, Ricardo C.; Couloux, Arnaud; Hedges, S. Blair (2012-10-23).
1595: 400:
venom is used only in defense. Venom glands are believed to have evolved early in the lineage leading to the modern helodermatids, as their presence is indicated even in the 65-million-year-old fossil genus
807:
Venom production among lizards was long thought to be unique to this genus, but researchers studying venom production have proposed many others also produce some venom, all placed in the clade
453:. The Gila monster typically lays 6 eggs, the beaded lizards up to about 18 eggs . Comparing the different species, all eggs have a similar size, and the same holds true for their hatchlings. 722:(varanids) of Africa, Asia, and Australia, the wide geographical separation and unique features not found in the varanids indicates they are better placed in a separate family. 1600: 1187: 392:' venom glands, which are located behind the eyes. Also, unlike snakes, the Gila monster and beaded lizards lack the musculature to inject venom immediately. They have to 815:
and 13 other families of lizards. However, except for snakes, helodermatids, and possibly varanids, envenomation is not considered medically significant for humans
3264: 799:
In contrast, molecular studies have identified Heloderma as being within Anguioidea along with Anguidae and Xenosauridae, but specifically sister to Anguidae.
1060:
C. M. Bogert, R. M. Del Campo (1956). "The Gila Monster and its Allies. The relationships, habits, and behavior of the lizards of the family Helodermatidae".
1929: 1148:
Richard L. Cifelli, Randall L. Nydam. 1995. Primitive, helodermatid-like platynotans from the Early cretaceous of Utah. Herpetologica. 51(3):286-291.
1159: 3159: 405:. In general, one adult helodermatid has approximately 15 to 20 mg of venom, while the estimated lethal dose for humans is 5 to 8 mg. 3185: 376:
for better protection. The scales of the belly are free from osteoderms. Most species are dark in color, with yellowish or pinkish markings.
1607: 2988: 1756: 1034: 2871: 1725: 612: 3254: 3133: 1007: 3172: 1708: 1433:"Molecular Phylogenetics of Squamata: The Position of Snakes, Amphisbaenians, and Dibamids, and the Root of the Squamate Tree" 1184: 1675: 1169: 1103: 1044: 1017: 3177: 1594:, in the dry forests of eastern Guatemala: an application of multi-criteria evaluation to conservation. Iguana 14: 152–158. 2623: 2302: 1599:
Ariano-Sánchez, D. 2006. The Guatemalan beaded lizard: endangered inhabitant of a unique ecosystem. Iguana 13: 178–183.
2497: 1384:"Molecular evidence for an Asian origin of monitor lizards followed by Tertiary dispersals to Africa and Australasia" 1365: 1249: 1220: 1133: 1650:
The Gila Monster and its Allies. The relationships, habits, and behavior of the lizards of the family Helodermatidae
940: 3190: 1749: 1265: 746: 263: 240: 913: 898: 637:: Rio Fuerte, Rio Mayo, southern Sonora, northern Sinaloa, western Chihuahua and the Sierra Madre Occidental 928: 3086: 3081: 2811: 2605: 2723: 1742: 676:
have many extinct relatives in the Helodermatidae whose evolutionary history may be traced back to the
1009:
Wild and Exotic Animal Ophthalmology: Volume 1: Invertebrates, Fishes, Amphibians, Reptiles, and Birds
138: 2596: 2356: 2806: 2386: 2295: 1481:
Fry, B.; et al. (February 2006). "Early evolution of the venom system in lizards and snakes".
594: 588: 301: 3249: 2816: 625: 560: 1604: 372:
are used as fat storage organs. The scales of the head, back and tail are bead-like, containing
3259: 3216: 3021: 2777: 2705: 2696: 2642: 2560: 2437: 1590:
Ariano-Sánchez, D. & G. Salazar. 2007. Notes on the distribution of the endangered lizard,
777: 3164: 3211: 2404: 2395: 2377: 650: 619: 294: 3226: 3203: 772:
Conrad, 2008 and Estes et al., 1988 (using morphological data) places Helodermatidae within
3107: 3068: 2732: 2542: 2533: 2479: 1722: 1490: 1185:
http://www.redlist-arc.org/Article-PDFs/Special%20Mexico%20Issue_ARC_7(1)_74-96_low_res.pdf
818: 711: 8: 3059: 2914: 2660: 2506: 2461: 2288: 730: 280: 1494: 3073: 2515: 2470: 1579: 1514: 1408: 1383: 1350:
Phylogenetic Relationships of the Lizard Families: Essays Commemorating Charles L. Camp
1326: 862: 554: 308: 287: 257: 133: 3198: 3094: 2741: 2714: 2551: 1860: 1705: 1671: 1571: 1506: 1462: 1454: 1413: 1361: 1318: 1310: 1305: 1288: 1245: 1216: 1165: 1129: 1099: 1040: 1013: 788:. However, Estes et al., 1988 understood Helodermatidae as having split earlier from 707: 1652:. Vol. 109. Bulletin of the American Museum of Natural History. pp. 1–238. 1583: 1330: 643: 3099: 2759: 2587: 2167: 1942: 1850: 1835: 1668:
The Gila Monster Heloderma suspectum - Natural History, Husbandry & Propagation
1561: 1518: 1498: 1444: 1403: 1395: 1353: 1300: 1238: 315: 2878: 2855: 2687: 2633: 2210: 2177: 2120: 1840: 1729: 1712: 1611: 1268:(1829). "Über die Gesetzlichkeit in der geographischen Verbreitung der Saurier". 1191: 718:. Although the beaded lizards and the Gila monster appear closely related to the 993:"POISINDEX(R) TOXICOLOGIC MANAGEMENTS Topic: GILA MONSTER (HELODERMA SUSPECTUM)" 2768: 2669: 2524: 2488: 2452: 2250: 2187: 2157: 2100: 2075: 2070: 2047: 2027: 1965: 1937: 1883: 1614:. 2007. Resume of the 14th Convention of the Parts. The Hague. The Netherlands. 1605:
CONVENTION ON INTERNATIONAL TRADE IN ENDANGERED SPECIES OF WILD FAUNA AND FLORA
1431:
Townsend, Ted M.; Larson, Allan; Louis, Edward; Macey, J. Robert (2004-10-01).
1289:"A combined evidence phylogenetic analysis of Anguimorpha (Reptilia: Squamata)" 967: 719: 345: 223: 200: 1566: 1545: 1449: 1432: 1345: 1287:
Conrad, Jack L.; Ast, Jennifer C.; Montanari, Shaena; Norell, Mark A. (2011).
1006:
Montiani-Ferreira, Fabiano; Moore, Bret A.; Ben-Shlomo, Gil (April 27, 2022).
114: 3243: 3044: 2864: 2786: 2569: 2205: 2195: 2162: 2149: 2125: 2090: 2080: 2017: 2012: 1990: 1845: 1458: 1314: 758: 715: 430: 213: 72: 834: 2981: 2960: 2932: 2678: 2614: 2578: 2413: 2265: 2230: 2130: 2105: 2032: 1957: 1575: 1510: 1466: 1417: 1399: 1322: 1210: 738: 581: 361: 249: 122: 20: 3146: 3053: 2974: 2967: 2946: 2939: 2750: 2428: 2255: 2240: 2220: 2172: 2110: 2085: 2042: 2004: 1985: 1907: 1893: 1855: 1690: 725: 703: 414: 393: 47: 1717: 1618: 1502: 3138: 2311: 2245: 2225: 1919: 1878: 1870: 1830: 808: 773: 677: 520: 373: 337: 92: 57: 1529: 1357: 992: 461: 3151: 3120: 2953: 2897: 2889: 2200: 2140: 2115: 2095: 2022: 1970: 1812: 1196:
Taxonomic reassessment and conservation status of the beaded lizard,
699: 603: 573: 547: 450: 150: 97: 3015: 1734: 3125: 3038: 2651: 2341: 2335: 2329: 2235: 2065: 2037: 1980: 1975: 1903: 1796: 1784: 1765: 190: 170: 87: 82: 67: 62: 52: 881:, are extremely rare, and only a few captive specimens are known. 2995: 2057: 1947: 1790: 951: 784: 691: 682: 418: 180: 102: 77: 40: 1635: 1005: 2907: 2839: 2323: 2215: 1778: 710:. Because the helodermatids have remained relatively unchanged 662: 634: 569: 426: 422: 160: 3112: 2280: 2260: 1888: 1822: 1647: 1059: 975: 812: 796:, whereas Conrad, 2008 groups them at the same branch point. 389: 341: 333: 1124:
Bauer, Aaron M. (1998). Cogger, H.G.; Zweifel, R.G. (eds.).
525: 434: 1380: 523:
of beaded lizards, elevated to full species in 2013, are:
866: 1430: 1286: 1211:
King, Ruth Allen; Pianka, Eric R.; King, Dennis (2004).
869:
throughout much of the world. The other two species of
757:
six months later, which means "studded skin", from the
749:. Although he originally assigned it the generic name 340:
lizards that contains five species, all of which are
2852: 1237: 1062:Bulletin of the American Museum of Natural History 765:(ηλος)—the head of a nail or stud—and 1546:"Envenomation by a wild Guatemalan beaded lizard 388:are located at the end of the lower jaws, unlike 3241: 1235: 1123: 1543: 702:from the Gila monster have been found in late 3265:Taxa named by Arend Friedrich August Wiegmann 2296: 1750: 1346:"Phylogenetic relationships within squamata" 344:. It is the only extant genus of the family 1659:Biology of Gila Monsters and Beaded Lizards 1081:Biology of Gila Monsters and Beaded Lizards 572:: northern Chiapas to extreme northwestern 2303: 2289: 1757: 1743: 1128:. San Diego: Academic Press. p. 156. 113: 1661:. London: University Press of California. 1565: 1448: 1407: 1304: 1215:. Bloomington: Indiana University Press. 1032: 1665: 1617: 1528: 1264: 1229: 1204: 1093: 974: 966: 950: 833: 817: 724: 490:late Miocene (approx. 10 million years) 460: 1480: 1473: 1126:Encyclopedia of Reptiles and Amphibians 825:skull with dentition, Photo by A. Laube 745:, which was first described in 1829 by 706:(8,000-10,000 years ago) deposits near 482:late Eocene (approx. 35 million years) 3242: 1648:C. M. Bogert, R. M. Del Campo (1956). 396:the venom into the flesh of a victim. 19:For the dermatological condition, see 3020: 3019: 2837: 2354: 2284: 1764: 1738: 1723:Family Helodermatidae (Gila Monsters) 1533:A Chiapan beaded lizard in captivity. 1343: 1164:. Lippincott Williams & Wilkins. 1119: 1117: 1115: 1033:Fischbarg, Jorge (December 9, 2005). 498:Pliocene (approx. 4.4 million years) 2624:Northern Sierra Madre forest monitor 2498:Black-spotted ridge-tailed monitor ( 1670:. Frankfurt/Main: Edition Chimaira. 1656: 1157: 1098:. Frankfurt/Main: Edition Chimaira. 1096:The Gila Monster Heloderma suspectum 1078: 714:, they are occasionally regarded as 506:Pliocene (approx. 3 million years) 13: 2355: 1641: 1112: 14: 3276: 1629: 1592:Heloderma horridum charlesbogerti 1548:Heloderma horridum charlesbogerti 1083:. University Press of California. 3255:Extant Miocene first appearances 1306:10.1111/j.1096-0031.2010.00330.x 939: 927: 912: 897: 729:Mexican beaded lizard skeleton ( 642: 611: 580: 546: 137: 45: 2838: 1666:Schwandt, Hans-Joachim (2019). 1544:Ariano-Sánchez, Daniel (2008). 1424: 1374: 1337: 1280: 1258: 1178: 1094:Schwandt, Hans-Joachim (2019). 829: 540: 537: 534: 531: 528: 440: 2310: 1151: 1142: 1087: 1072: 1053: 1026: 999: 985: 979:Heloderm horridum captive bred 351: 1: 1213:Varanoid Lizards of the World 962: 665:: southern Sinaloa to Oaxaca 2724:Short-tailed pygmy monitor ( 946:Group of young Gila monsters 865:and are well represented in 7: 1693:has information related to 628:and Martin del Campo, 1956 563:and Martin del Campo, 1956 474:Explanation of the numbers 456: 10: 3281: 2606:Mitchell's water monitor ( 2396:Rio Fuerte beaded lizard ( 2387:Guatemalan beaded lizard ( 1200:(Squamata: Helodermatidae) 1194:Reiserer & al., 2013, 884: 802: 18: 3028: 2924: 2888: 2851: 2847: 2833: 2799: 2450: 2426: 2368: 2364: 2350: 2318: 2186: 2148: 2139: 2056: 2003: 1956: 1928: 1915: 1902: 1869: 1821: 1805: 1773: 1567:10.1080/15563650701733031 1450:10.1080/10635150490522340 1158:Dart, Richard C. (2004). 1049:– via Google Books. 1022:– via Google Books. 631:Rio Fuerte beaded lizard 600:Guatemalan beaded lizard 473: 276: 271: 255: 248: 134:Scientific classification 132: 121: 112: 30: 2778:Yellow-spotted monitor ( 2643:Peach-throated monitor ( 2597:Merten's water monitor ( 2561:Kimberely rock monitor ( 2438:Earless monitor lizard ( 1634:Schwandt, Hans- Joachim 1537: 1236:Mattison, Chris (1998). 861:are frequently found in 698:lived, and fragments of 379: 302:Heloderma charlesbogerti 2697:Rennel Island monitor ( 2405:Mexican beaded lizard ( 2378:Chiapan beaded lizard ( 1344:Estes, Richard (1988). 769:(δερμα), meaning skin. 408: 2733:Spiny-tailed monitor ( 2543:Emerald tree monitor ( 2480:Black-headed monitor ( 1626: 1534: 1400:10.1098/rsbl.2012.0460 1036:The Biology of the Eye 980: 972: 959: 847: 826: 779:Lanthanotus borneensis 734: 690:has existed since the 659:Mexican beaded lizard 566:Chiapan beaded lizard 511: 3212:Paleobiology Database 2706:Rosenberg's monitor ( 2661:Pygmy mulga monitor ( 2507:Blue-tailed monitor ( 2462:Asian water monitor ( 1718:Heloderma information 1623:Heloderma exasperatum 1621: 1532: 1276:(3–4). Oken: 418–428. 1244:. London: Blandford. 978: 971:Captured Gila monster 970: 954: 934:Gila monster hatching 837: 821: 811:, which includes all 728: 672:Members of the genus 606:: the Motagua Valley 515:Family Helodermatidae 464: 295:Heloderma exasperatum 2471:Black tree monitor ( 1706:About Beaded Lizards 1657:Beck, D. D. (2005). 1638:2006 in 6 languages 1240:Lizards of the World 1079:Beck, D. D. (2005). 384:The venom glands of 2915:Varanus amnhophilis 2742:Turquoise monitor ( 2715:Roughneck monitor ( 2534:Dumeril's monitor ( 2516:Crocodile monitor ( 1696:Heloderma suspectum 1554:Clinical Toxicology 1503:10.1038/nature04328 1495:2006Natur.439..584F 1012:. Springer Nature. 920:Heloderma suspectum 905:Heloderma suspectum 891:Heloderma suspectum 838:Hatchling sizes of 823:Heloderma suspectum 753:, he changed it to 731:Museum of Osteology 281:Heloderma suspectum 127:Heloderma suspectum 2812:Cretaceous lizards 2800:Related categories 2760:Savannah monitor ( 2588:Mangrove monitor ( 1728:2010-07-15 at the 1711:2015-02-15 at the 1627: 1610:2018-09-30 at the 1535: 1437:Systematic Biology 1198:Heloderma horridum 1190:2013-10-23 at the 1161:Medical Toxicology 981: 973: 960: 848: 827: 743:Heloderma horridum 735: 597:and Vannini, 1988 512: 413:Helodermatids are 309:Heloderma alvarezi 288:Heloderma horridum 258:Heloderma horridum 3237: 3236: 3199:Open Tree of Life 3022:Taxon identifiers 3013: 3012: 3009: 3008: 3005: 3004: 2829: 2828: 2825: 2824: 2762:V. exanthematicus 2688:Pilbara monitor ( 2634:Peacock monitor ( 2389:H. charlesbogerti 2278: 2277: 2274: 2273: 1999: 1998: 1930:Gymnophthalmoidea 1861:Sphaerodactylidae 1702: 1701: 1677:978-3-89973-441-6 1636:www.heloderma.net 1489:(7076): 584–588. 1171:978-0-7817-2845-4 1105:978-3-89973-441-6 1046:978-0-08-047609-4 1019:978-3-030-71302-7 879:H. charlesbogerti 708:Las Vegas, Nevada 669: 668: 656:(Wiegmann, 1829) 589:H. charlesbogerti 541:Geographic range 510: 509: 465:Cladogram of the 429:, and eating the 325: 324: 244: 16:Genus of reptiles 3272: 3230: 3229: 3220: 3219: 3207: 3206: 3194: 3193: 3181: 3180: 3168: 3167: 3155: 3154: 3142: 3141: 3129: 3128: 3116: 3115: 3103: 3102: 3090: 3089: 3077: 3076: 3064: 3063: 3062: 3049: 3048: 3047: 3017: 3016: 2854: 2849: 2848: 2835: 2834: 2769:Yellow monitor ( 2744:V. caerulivirens 2670:Quince monitor ( 2552:Gray's monitor ( 2525:Desert monitor ( 2489:Bengal monitor ( 2366: 2365: 2352: 2351: 2305: 2298: 2291: 2282: 2281: 2168:Leptotyphlopidae 2146: 2145: 1943:Gymnophthalmidae 1913: 1912: 1851:Phyllodactylidae 1836:Carphodactylidae 1759: 1752: 1745: 1736: 1735: 1685: 1684: 1681: 1662: 1653: 1587: 1569: 1523: 1522: 1477: 1471: 1470: 1452: 1428: 1422: 1421: 1411: 1378: 1372: 1371: 1341: 1335: 1334: 1308: 1284: 1278: 1277: 1266:Wiegmann, A.F.A. 1262: 1256: 1255: 1243: 1233: 1227: 1226: 1208: 1202: 1182: 1176: 1175: 1155: 1149: 1146: 1140: 1139: 1121: 1110: 1109: 1091: 1085: 1084: 1076: 1070: 1069: 1057: 1051: 1050: 1030: 1024: 1023: 1003: 997: 996: 989: 943: 931: 916: 901: 680:period, such as 646: 615: 584: 550: 526: 471: 470: 425:and other small 316:Heloderma texana 239: 142: 141: 117: 107: 44: 36:Temporal range: 28: 27: 3280: 3279: 3275: 3274: 3273: 3271: 3270: 3269: 3240: 3239: 3238: 3233: 3225: 3223: 3215: 3210: 3202: 3197: 3189: 3184: 3176: 3171: 3163: 3158: 3150: 3145: 3137: 3132: 3124: 3119: 3111: 3106: 3098: 3093: 3085: 3080: 3072: 3067: 3058: 3057: 3052: 3043: 3042: 3037: 3024: 3014: 3001: 2920: 2900:Varanus priscus 2884: 2879:Paranecrosaurus 2856:Palaeovaranidae 2843: 2821: 2807:Monitor lizards 2795: 2787:Yemen monitor ( 2570:Komodo dragon ( 2446: 2422: 2360: 2346: 2314: 2309: 2279: 2270: 2231:Cylindrophiidae 2211:Atractaspididae 2182: 2178:Xenotyphlopidae 2135: 2121:Phrynosomatidae 2052: 1995: 1952: 1924: 1898: 1865: 1841:Diplodactylidae 1817: 1801: 1769: 1763: 1730:Wayback Machine 1713:Wayback Machine 1678: 1644: 1642:Further reading 1632: 1625:near Los Alamos 1612:Wayback Machine 1540: 1527: 1526: 1478: 1474: 1429: 1425: 1388:Biology Letters 1379: 1375: 1368: 1342: 1338: 1285: 1281: 1263: 1259: 1252: 1234: 1230: 1223: 1209: 1205: 1192:Wayback Machine 1183: 1179: 1172: 1156: 1152: 1147: 1143: 1136: 1122: 1113: 1106: 1092: 1088: 1077: 1073: 1058: 1054: 1047: 1031: 1027: 1020: 1004: 1000: 991: 990: 986: 965: 947: 944: 935: 932: 923: 917: 908: 902: 887: 832: 805: 720:monitor lizards 712:morphologically 671: 459: 445:All species of 443: 411: 382: 354: 267: 261: 238: 136: 108: 106: 105: 100: 95: 90: 85: 80: 75: 70: 65: 60: 55: 50: 38: 37: 34: 24: 17: 12: 11: 5: 3278: 3268: 3267: 3262: 3257: 3252: 3250:Helodermatidae 3235: 3234: 3232: 3231: 3221: 3208: 3195: 3182: 3169: 3156: 3143: 3130: 3117: 3104: 3091: 3078: 3074:Helodermatidae 3065: 3050: 3034: 3032: 3026: 3025: 3011: 3010: 3007: 3006: 3003: 3002: 3000: 2999: 2992: 2985: 2978: 2971: 2964: 2957: 2950: 2943: 2936: 2928: 2926: 2922: 2921: 2919: 2918: 2911: 2904: 2894: 2892: 2886: 2885: 2883: 2882: 2875: 2868: 2860: 2858: 2845: 2844: 2831: 2830: 2827: 2826: 2823: 2822: 2820: 2819: 2817:Helodermatidae 2814: 2809: 2803: 2801: 2797: 2796: 2794: 2793: 2784: 2775: 2766: 2757: 2748: 2739: 2730: 2726:V. brevicauda 2721: 2712: 2708:V. rosenbergi 2703: 2699:V. juxtindicus 2694: 2685: 2681:V. albigularis 2679:Rock monitor ( 2676: 2667: 2658: 2649: 2640: 2636:V. auffenbergi 2631: 2621: 2615:Nile monitor ( 2612: 2603: 2594: 2585: 2579:Lace monitor ( 2576: 2572:V. komodoensis 2567: 2558: 2549: 2540: 2531: 2522: 2513: 2504: 2495: 2491:V. bengalensis 2486: 2477: 2468: 2458: 2456: 2448: 2447: 2445: 2444: 2434: 2432: 2424: 2423: 2421: 2420: 2414:Gila monster ( 2411: 2402: 2398:H. exasperatum 2393: 2384: 2374: 2372: 2370:Helodermatidae 2362: 2361: 2348: 2347: 2345: 2344: 2338: 2332: 2326: 2319: 2316: 2315: 2308: 2307: 2300: 2293: 2285: 2276: 2275: 2272: 2271: 2269: 2268: 2263: 2258: 2253: 2251:Tropidophiidae 2248: 2243: 2238: 2233: 2228: 2223: 2218: 2213: 2208: 2203: 2198: 2192: 2190: 2188:Alethinophidia 2184: 2183: 2181: 2180: 2175: 2170: 2165: 2160: 2158:Anomalepididae 2154: 2152: 2143: 2137: 2136: 2134: 2133: 2128: 2123: 2118: 2113: 2108: 2103: 2101:Leiocephalidae 2098: 2093: 2088: 2083: 2078: 2076:Corytophanidae 2073: 2071:Chamaeleonidae 2068: 2062: 2060: 2054: 2053: 2051: 2050: 2048:Diploglossidae 2045: 2040: 2035: 2030: 2028:Helodermatidae 2025: 2020: 2015: 2009: 2007: 2001: 2000: 1997: 1996: 1994: 1993: 1988: 1983: 1978: 1973: 1968: 1966:Amphisbaenidae 1962: 1960: 1954: 1953: 1951: 1950: 1945: 1940: 1938:Alopoglossidae 1934: 1932: 1926: 1925: 1923: 1922: 1916: 1910: 1900: 1899: 1897: 1896: 1891: 1886: 1884:Gerrhosauridae 1881: 1875: 1873: 1867: 1866: 1864: 1863: 1858: 1853: 1848: 1843: 1838: 1833: 1827: 1825: 1819: 1818: 1816: 1815: 1809: 1807: 1803: 1802: 1800: 1799: 1793: 1787: 1781: 1774: 1771: 1770: 1762: 1761: 1754: 1747: 1739: 1733: 1732: 1720: 1715: 1700: 1699: 1688: 1683: 1682: 1676: 1663: 1654: 1643: 1640: 1631: 1630:External links 1628: 1616: 1615: 1602: 1597: 1588: 1560:(9): 897–899. 1539: 1536: 1525: 1524: 1472: 1443:(5): 735–757. 1423: 1394:(5): 853–855. 1373: 1366: 1336: 1299:(3): 230–277. 1279: 1257: 1250: 1228: 1221: 1203: 1177: 1170: 1150: 1141: 1134: 1111: 1104: 1086: 1071: 1052: 1045: 1025: 1018: 998: 983: 982: 964: 961: 949: 948: 945: 938: 936: 933: 926: 924: 918: 911: 909: 903: 896: 894: 886: 883: 855:H. exasperatum 840:H. exasperatum 831: 828: 804: 801: 747:Arend Wiegmann 716:living fossils 667: 666: 660: 657: 654: 647: 639: 638: 632: 629: 623: 620:H. exasperatum 616: 608: 607: 601: 598: 592: 585: 577: 576: 567: 564: 558: 551: 543: 542: 539: 536: 533: 530: 508: 507: 504: 500: 499: 496: 492: 491: 488: 484: 483: 480: 476: 475: 458: 455: 442: 439: 437:and reptiles. 410: 407: 381: 378: 353: 350: 346:Helodermatidae 323: 322: 321: 320: 312: 305: 298: 291: 284: 274: 273: 269: 268: 262: 253: 252: 246: 245: 231: 227: 226: 224:Helodermatidae 221: 217: 216: 211: 204: 203: 201:Neoanguimorpha 198: 194: 193: 188: 184: 183: 178: 174: 173: 168: 164: 163: 158: 154: 153: 148: 144: 143: 130: 129: 119: 118: 110: 109: 101: 96: 91: 86: 81: 76: 71: 66: 61: 56: 51: 46: 35: 15: 9: 6: 4: 3: 2: 3277: 3266: 3263: 3261: 3260:Lizard genera 3258: 3256: 3253: 3251: 3248: 3247: 3245: 3228: 3222: 3218: 3213: 3209: 3205: 3200: 3196: 3192: 3187: 3183: 3179: 3174: 3170: 3166: 3161: 3157: 3153: 3148: 3144: 3140: 3135: 3131: 3127: 3122: 3118: 3114: 3109: 3105: 3101: 3096: 3092: 3088: 3083: 3079: 3075: 3070: 3066: 3061: 3055: 3051: 3046: 3040: 3036: 3035: 3033: 3031: 3027: 3023: 3018: 2998: 2997: 2993: 2991: 2990: 2986: 2984: 2983: 2979: 2977: 2976: 2972: 2970: 2969: 2965: 2963: 2962: 2958: 2956: 2955: 2951: 2949: 2948: 2944: 2942: 2941: 2937: 2935: 2934: 2930: 2929: 2927: 2923: 2917: 2916: 2912: 2910: 2909: 2905: 2903: 2901: 2896: 2895: 2893: 2891: 2887: 2881: 2880: 2876: 2874: 2873: 2869: 2867: 2866: 2865:Palaeovaranus 2862: 2861: 2859: 2857: 2850: 2846: 2841: 2836: 2832: 2818: 2815: 2813: 2810: 2808: 2805: 2804: 2802: 2798: 2792: 2790: 2789:V. yemenensis 2785: 2783: 2781: 2776: 2774: 2772: 2771:V. flavescens 2767: 2765: 2763: 2758: 2756: 2754: 2751:Sand goanna ( 2749: 2747: 2745: 2740: 2738: 2736: 2735:V. acanthurus 2731: 2729: 2727: 2722: 2720: 2718: 2717:V. rudicollis 2713: 2711: 2709: 2704: 2702: 2700: 2695: 2693: 2691: 2686: 2684: 2682: 2677: 2675: 2673: 2668: 2666: 2664: 2659: 2657: 2655: 2650: 2648: 2646: 2641: 2639: 2637: 2632: 2629: 2625: 2622: 2620: 2618: 2613: 2611: 2609: 2604: 2602: 2600: 2595: 2593: 2591: 2586: 2584: 2582: 2577: 2575: 2573: 2568: 2566: 2564: 2559: 2557: 2555: 2550: 2548: 2546: 2541: 2539: 2537: 2532: 2530: 2528: 2523: 2521: 2519: 2518:V. salvadorii 2514: 2512: 2510: 2505: 2503: 2501: 2496: 2494: 2492: 2487: 2485: 2483: 2478: 2476: 2474: 2469: 2467: 2465: 2460: 2459: 2457: 2455: 2454: 2449: 2443: 2441: 2440:L. borneensis 2436: 2435: 2433: 2431: 2430: 2425: 2419: 2417: 2412: 2410: 2408: 2403: 2401: 2399: 2394: 2392: 2390: 2385: 2383: 2381: 2376: 2375: 2373: 2371: 2367: 2363: 2358: 2353: 2349: 2343: 2339: 2337: 2333: 2331: 2327: 2325: 2321: 2320: 2317: 2313: 2306: 2301: 2299: 2294: 2292: 2287: 2286: 2283: 2267: 2264: 2262: 2259: 2257: 2254: 2252: 2249: 2247: 2244: 2242: 2239: 2237: 2234: 2232: 2229: 2227: 2224: 2222: 2219: 2217: 2214: 2212: 2209: 2207: 2206:Anomochilidae 2204: 2202: 2199: 2197: 2196:Acrochordidae 2194: 2193: 2191: 2189: 2185: 2179: 2176: 2174: 2171: 2169: 2166: 2164: 2163:Gerrhopilidae 2161: 2159: 2156: 2155: 2153: 2151: 2150:Scolecophidia 2147: 2144: 2142: 2138: 2132: 2129: 2127: 2126:Polychrotidae 2124: 2122: 2119: 2117: 2114: 2112: 2109: 2107: 2104: 2102: 2099: 2097: 2094: 2092: 2091:Hoplocercidae 2089: 2087: 2084: 2082: 2081:Crotaphytidae 2079: 2077: 2074: 2072: 2069: 2067: 2064: 2063: 2061: 2059: 2055: 2049: 2046: 2044: 2041: 2039: 2036: 2034: 2031: 2029: 2026: 2024: 2021: 2019: 2018:Lanthanotidae 2016: 2014: 2013:Shinisauridae 2011: 2010: 2008: 2006: 2002: 1992: 1991:Trogonophidae 1989: 1987: 1984: 1982: 1979: 1977: 1974: 1972: 1969: 1967: 1964: 1963: 1961: 1959: 1955: 1949: 1946: 1944: 1941: 1939: 1936: 1935: 1933: 1931: 1927: 1921: 1918: 1917: 1914: 1911: 1909: 1905: 1901: 1895: 1892: 1890: 1887: 1885: 1882: 1880: 1877: 1876: 1874: 1872: 1868: 1862: 1859: 1857: 1854: 1852: 1849: 1847: 1846:Eublepharidae 1844: 1842: 1839: 1837: 1834: 1832: 1829: 1828: 1826: 1824: 1820: 1814: 1811: 1810: 1808: 1804: 1798: 1794: 1792: 1788: 1786: 1782: 1780: 1776: 1775: 1772: 1767: 1760: 1755: 1753: 1748: 1746: 1741: 1740: 1737: 1731: 1727: 1724: 1721: 1719: 1716: 1714: 1710: 1707: 1704: 1703: 1698: 1697: 1692: 1689: 1687: 1686: 1679: 1673: 1669: 1664: 1660: 1655: 1651: 1646: 1645: 1639: 1637: 1624: 1620: 1613: 1609: 1606: 1603: 1601: 1598: 1596: 1593: 1589: 1585: 1581: 1577: 1573: 1568: 1563: 1559: 1555: 1551: 1549: 1542: 1541: 1531: 1520: 1516: 1512: 1508: 1504: 1500: 1496: 1492: 1488: 1484: 1476: 1468: 1464: 1460: 1456: 1451: 1446: 1442: 1438: 1434: 1427: 1419: 1415: 1410: 1405: 1401: 1397: 1393: 1389: 1385: 1377: 1369: 1367:9780804714358 1363: 1359: 1355: 1351: 1347: 1340: 1332: 1328: 1324: 1320: 1316: 1312: 1307: 1302: 1298: 1294: 1290: 1283: 1275: 1271: 1267: 1261: 1253: 1251:0-7137-2357-2 1247: 1242: 1241: 1232: 1224: 1222:0-253-34366-6 1218: 1214: 1207: 1201: 1197: 1193: 1189: 1186: 1181: 1173: 1167: 1163: 1162: 1154: 1145: 1137: 1135:0-12-178560-2 1131: 1127: 1120: 1118: 1116: 1107: 1101: 1097: 1090: 1082: 1075: 1067: 1063: 1056: 1048: 1042: 1038: 1037: 1029: 1021: 1015: 1011: 1010: 1002: 994: 988: 984: 977: 969: 957: 953: 942: 937: 930: 925: 921: 915: 910: 906: 900: 895: 892: 889: 888: 882: 880: 876: 872: 868: 864: 860: 856: 852: 845: 841: 836: 824: 820: 816: 814: 810: 800: 797: 795: 791: 787: 786: 781: 780: 775: 770: 768: 764: 760: 759:Ancient Greek 756: 752: 748: 744: 740: 732: 727: 723: 721: 717: 713: 709: 705: 701: 697: 693: 689: 685: 684: 679: 675: 664: 661: 658: 655: 653: 652: 648: 645: 641: 640: 636: 633: 630: 627: 624: 622: 621: 617: 614: 610: 609: 605: 602: 599: 596: 593: 591: 590: 586: 583: 579: 578: 575: 571: 568: 565: 562: 559: 557: 556: 552: 549: 545: 544: 535:Taxon author 527: 524: 522: 517: 516: 505: 502: 501: 497: 494: 493: 489: 486: 485: 481: 478: 477: 472: 468: 463: 454: 452: 448: 438: 436: 432: 428: 424: 420: 416: 406: 404: 399: 395: 391: 387: 377: 375: 371: 367: 363: 360:contains the 359: 349: 347: 343: 339: 335: 331: 330: 318: 317: 313: 311: 310: 306: 304: 303: 299: 297: 296: 292: 290: 289: 285: 283: 282: 278: 277: 275: 270: 265: 260: 259: 254: 251: 247: 242: 237: 236: 232: 229: 228: 225: 222: 219: 218: 215: 214:Monstersauria 212: 209: 206: 205: 202: 199: 196: 195: 192: 189: 186: 185: 182: 179: 176: 175: 172: 169: 166: 165: 162: 159: 156: 155: 152: 149: 146: 145: 140: 135: 131: 128: 124: 120: 116: 111: 104: 99: 94: 89: 84: 79: 74: 69: 64: 59: 54: 49: 42: 33: 29: 26: 22: 3029: 2994: 2987: 2982:Palaeosaniwa 2980: 2973: 2966: 2961:Morohasaurus 2959: 2952: 2945: 2938: 2933:Arcanosaurus 2931: 2913: 2906: 2899: 2877: 2870: 2863: 2788: 2779: 2770: 2761: 2752: 2743: 2734: 2725: 2716: 2707: 2698: 2689: 2680: 2671: 2662: 2654:V. giganteus 2653: 2645:V. jobiensis 2644: 2635: 2627: 2617:V. niloticus 2616: 2608:V. mitchelli 2607: 2598: 2589: 2580: 2571: 2562: 2554:V. olivaceus 2553: 2544: 2536:V. dumerilii 2535: 2526: 2517: 2508: 2499: 2490: 2481: 2472: 2463: 2451: 2439: 2427: 2416:H. suspectum 2415: 2406: 2397: 2388: 2379: 2369: 2266:Xenopeltidae 2131:Tropiduridae 2106:Leiosauridae 2033:Xenosauridae 1958:Amphisbaenia 1695: 1694: 1667: 1658: 1649: 1633: 1622: 1591: 1557: 1553: 1547: 1486: 1482: 1475: 1440: 1436: 1426: 1391: 1387: 1376: 1349: 1339: 1296: 1292: 1282: 1273: 1269: 1260: 1239: 1231: 1212: 1206: 1199: 1195: 1180: 1160: 1153: 1144: 1125: 1095: 1089: 1080: 1074: 1065: 1061: 1055: 1039:. Elsevier. 1035: 1028: 1008: 1001: 987: 955: 919: 904: 893:in captivity 890: 878: 874: 870: 859:H. suspectum 858: 854: 850: 849: 844:H. suspectum 843: 839: 830:In captivity 822: 806: 798: 793: 789: 783: 778: 771: 766: 762: 754: 750: 742: 739:type species 736: 695: 687: 686:. The genus 681: 673: 670: 649: 618: 587: 553: 538:Common name 518: 514: 513: 466: 446: 444: 441:Reproduction 412: 402: 397: 385: 383: 369: 366:H. suspectum 365: 362:Gila monster 357: 355: 328: 327: 326: 314: 307: 300: 293: 286: 279: 256: 250:Type species 234: 233: 207: 197:Infraorder: 126: 123:Gila monster 31: 25: 21:Knuckle pads 3147:iNaturalist 3054:Wikispecies 2975:Telmasaurus 2947:Cherminotus 2940:Aiolosaurus 2898:Megalania ( 2780:V. panoptes 2663:V. gilleni 2628:V. bitatawa 2599:V. mertensi 2563:V. glauerti 2545:V. prasinus 2509:V. doreanus 2473:V. beccarii 2464:V. salvator 2429:Lanthanotus 2407:H. horridum 2380:H. alvarezi 2256:Uropeltidae 2241:Loxocemidae 2221:Bolyeriidae 2173:Typhlopidae 2111:Liolaemidae 2086:Dactyloidae 2043:Anniellidae 2005:Anguimorpha 1986:Rhineuridae 1908:Lacertoidea 1894:Xantusiidae 1856:Pygopodidae 1691:Wikispecies 1352:: 119–281. 922:with 6 eggs 907:with 4 eggs 875:H. alvarezi 851:H. horridum 846:(taxidermy) 790:Lanthanotus 776:along with 751:Trachyderma 704:Pleistocene 651:H. horridum 555:H. alvarezi 415:carnivorous 352:Description 338:toxicoferan 3244:Categories 2753:V. gouldii 2672:V. melinus 2652:Perentie ( 2590:V. indicus 2527:V. griseus 2500:V. baritji 2482:V. tristis 2312:Varanoidea 2246:Pythonidae 2226:Colubridae 1920:Lacertidae 1879:Cordylidae 1871:Scincoidea 1831:Gekkonidae 1358:10088/6457 1293:Cladistics 963:References 842:(top) and 809:Toxicofera 774:Varanoidea 700:osteoderms 678:Cretaceous 521:subspecies 374:osteoderms 356:The genus 3060:Heloderma 3030:Heloderma 2989:Saniwides 2954:Gobiderma 2890:Varanidae 2581:V. varius 2322:Kingdom: 2261:Viperidae 2201:Aniliidae 2141:Serpentes 2116:Opluridae 2096:Iguanidae 2023:Varanidae 1971:Bipedidae 1889:Scincidae 1813:Dibamidae 1777:Kingdom: 1459:1063-5157 1315:1096-0031 956:Heloderma 871:Heloderma 863:captivity 755:Heloderma 696:H. texana 688:Heloderma 674:Heloderma 604:Guatemala 574:Guatemala 519:The four 467:Heloderma 451:oviparous 447:Heloderma 403:Paraderma 398:Heloderma 386:Heloderma 370:Heloderma 358:Heloderma 329:Heloderma 235:Heloderma 157:Kingdom: 151:Eukaryota 43:to Recent 32:Heloderma 3039:Wikidata 2872:Eosaniwa 2690:V. bushi 2342:Squamata 2336:Reptilia 2330:Chordata 2328:Phylum: 2324:Animalia 2236:Elapidae 2066:Agamidae 2038:Anguidae 1981:Cadeidae 1976:Blanidae 1904:Laterata 1797:Squamata 1791:Reptilia 1785:Chordata 1783:Phylum: 1779:Animalia 1768:families 1766:Squamata 1726:Archived 1709:Archived 1608:Archived 1584:22173811 1576:18608297 1511:16292255 1467:15545252 1418:22809723 1331:84301257 1323:34875778 1188:Archived 1068:: 1–238. 595:Campbell 532:Species 469:species 457:Taxonomy 342:venomous 272:Species 264:Wiegmann 241:Wiegmann 220:Family: 191:Squamata 181:Reptilia 171:Chordata 167:Phylum: 161:Animalia 147:Domain: 3165:1392042 3139:2460816 3045:Q729412 2996:Estesia 2453:Varanus 2359:species 2340:Order: 2334:Class: 2058:Iguania 1948:Teiidae 1823:Gekkota 1806:Dibamia 1795:Order: 1789:Class: 1519:4386245 1491:Bibcode 1409:3441001 885:Gallery 794:Varanus 785:Varanus 694:, when 692:Miocene 683:Estesia 427:mammals 423:rodents 419:preying 230:Genus: 187:Order: 177:Class: 41:Miocene 3227:215845 3224:uBio: 3204:978851 3178:174112 3126:1HLDMG 3087:105941 2925:Others 2908:Saniwa 2840:Fossil 2357:Extant 2216:Boidae 1674:  1582:  1574:  1517:  1509:  1483:Nature 1465:  1457:  1416:  1406:  1364:  1329:  1321:  1313:  1248:  1219:  1168:  1132:  1102:  1043:  1016:  857:, and 813:snakes 761:words 663:Mexico 635:Mexico 626:Bogert 570:Mexico 561:Bogert 529:Image 390:snakes 266:, 1829 243:, 1829 39:Early 3217:38033 3160:IRMNG 3152:35002 3113:36255 3100:637GG 1580:S2CID 1538:Notes 1515:S2CID 1327:S2CID 803:Venom 767:derma 763:hêlos 435:birds 380:Venom 334:genus 332:is a 208:Clade 3191:8550 3186:NCBI 3173:ITIS 3134:GBIF 3121:EPPO 3082:BOLD 2968:Ovoo 2842:taxa 1672:ISBN 1572:PMID 1507:PMID 1463:PMID 1455:ISSN 1414:PMID 1362:ISBN 1319:PMID 1311:ISSN 1270:Isis 1246:ISBN 1217:ISBN 1166:ISBN 1130:ISBN 1100:ISBN 1041:ISBN 1014:ISBN 958:skin 877:and 867:zoos 792:and 782:and 737:The 449:are 431:eggs 409:Diet 394:chew 48:PreꞒ 3108:EoL 3095:CoL 3069:ADW 1562:doi 1499:doi 1487:439 1445:doi 1404:PMC 1396:doi 1354:hdl 1301:doi 1066:109 741:is 433:of 421:on 336:of 3246:: 3214:: 3201:: 3188:: 3175:: 3162:: 3149:: 3136:: 3123:: 3110:: 3097:: 3084:: 3071:: 3056:: 3041:: 1906:/ 1578:. 1570:. 1558:46 1556:. 1552:. 1513:. 1505:. 1497:. 1485:. 1479:. 1461:. 1453:. 1441:53 1439:. 1435:. 1412:. 1402:. 1390:. 1386:. 1360:. 1348:. 1325:. 1317:. 1309:. 1297:27 1295:. 1291:. 1274:22 1272:. 1114:^ 1064:. 873:, 853:, 503:4 495:3 487:2 479:1 417:, 348:. 210:: 125:, 98:Pg 2902:) 2853:† 2791:) 2782:) 2773:) 2764:) 2755:) 2746:) 2737:) 2728:) 2719:) 2710:) 2701:) 2692:) 2683:) 2674:) 2665:) 2656:) 2647:) 2638:) 2630:) 2626:( 2619:) 2610:) 2601:) 2592:) 2583:) 2574:) 2565:) 2556:) 2547:) 2538:) 2529:) 2520:) 2511:) 2502:) 2493:) 2484:) 2475:) 2466:) 2442:) 2418:) 2409:) 2400:) 2391:) 2382:) 2304:e 2297:t 2290:v 1758:e 1751:t 1744:v 1680:. 1586:. 1564:: 1550:" 1521:. 1501:: 1493:: 1469:. 1447:: 1420:. 1398:: 1392:8 1370:. 1356:: 1333:. 1303:: 1254:. 1225:. 1174:. 1138:. 1108:. 995:. 733:) 364:( 319:† 103:N 93:K 88:J 83:T 78:P 73:C 68:D 63:S 58:O 53:Ꞓ 23:.

Index

Knuckle pads
Miocene
PreꞒ

O
S
D
C
P
T
J
K
Pg
N

Gila monster
Scientific classification
Edit this classification
Eukaryota
Animalia
Chordata
Reptilia
Squamata
Neoanguimorpha
Monstersauria
Helodermatidae
Heloderma
Wiegmann
Type species
Heloderma horridum

Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.