1217:
1099:
127:
312:
probably grabbed its victims using its powerfully muscled forelimbs before killing them by tearing into the prey's ribcage or neck using its large, strong canines set in its narrow snout.
1163:
1262:
1291:
1150:
488:
304:
possessed skeletal features that are characteristic of both ambush and pursuit living predators. As such, it is believed via this evidence that
1311:
1306:
1316:
1255:
336:
1098:
308:
probably pursued prey for longer distances but at slower speeds than living ambush predators do. Upon catching up to its prey,
1286:
1248:
481:
126:
400:
322:
386:
342:
1281:
1216:
1118:
474:
372:
328:
392:
1301:
1189:
382:
368:
396:
361:
350:
1296:
1061:
929:
673:
780:
717:
801:
666:
624:
452:
357:
121:
1054:
822:
787:
645:
638:
1194:
1047:
1003:
938:
766:
759:
745:
659:
1176:
1168:
1068:
1024:
332:
1232:
1181:
894:
444:
378:
346:
857:
294:
indicated that it was purely carnivorous, and not omnivorous as previously assumed. Both
290:
In a study published in 2020, examination of the relative grinding area of the molars of
989:
966:
959:
843:
596:
534:
1275:
980:
694:
652:
631:
571:
555:
264:
204:
191:
73:
456:
428:
901:
887:
498:
260:
34:
1141:
1033:
908:
878:
864:
836:
815:
752:
617:
610:
589:
48:
1224:
1075:
1040:
850:
794:
738:
724:
680:
603:
448:
93:
58:
30:
1228:
1010:
996:
952:
915:
710:
540:
528:
300:
178:
138:
98:
42:
1135:
945:
829:
703:
516:
466:
158:
88:
83:
68:
63:
53:
1155:
808:
731:
277:
268:
103:
78:
522:
510:
168:
148:
1112:
272:
1116:
553:
470:
1236:
1021:
977:
926:
875:
691:
568:
1125:
1020:
976:
925:
874:
690:
566:
429:"Ecomorphology of the giant bear-dogsAmphicyonand
1256:
482:
8:
1263:
1249:
1113:
581:
577:
563:
550:
489:
475:
467:
20:
413:
7:
1213:
1211:
1235:. You can help Knowledge (XXG) by
14:
337:San Bernardino County, California
1292:Miocene mammals of North America
1215:
1097:
275:ago, existing for approximately
125:
1:
1312:Prehistoric carnivoran genera
1307:Fossil taxa described in 1904
1317:Prehistoric carnivoran stubs
16:Extinct genus of carnivores
1333:
1210:
246:Matthew & Gidley, 1904
1095:
584:
580:
562:
549:
505:
449:10.1080/08912960600618073
401:Antelope County, Nebraska
234:
229:
224:Matthew and Gidley (1904)
122:Scientific classification
120:
23:
1223:This article related to
323:Esmeralda County, Nevada
387:Kern County, California
259:is an extinct genus of
373:Sioux County, Nebraska
343:Adam Risley Ranch Site
271:. It lived ~13.6β10.3
1287:Miocene Amphicyonidae
1190:Paleobiology Database
383:Dove Spring Formation
369:Snake Creek Formation
244:Ischyrocyon hyaenodus
397:Ash Hollow Formation
362:Trego County, Kansas
351:Donley County, Texas
329:Hemicyon Quarry Site
1227:animals from order
427:Sorkin, B. (2006).
393:Bluejay Quarry Site
316:Fossil distribution
238:Ischyrocyon gidleyi
437:Historical Biology
358:Ogallala Formation
356:WaKeeney (Unit C)
298:and its relative,
1244:
1243:
1205:
1204:
1177:Open Tree of Life
1119:Taxon identifiers
1110:
1109:
1106:
1105:
1093:
1092:
1089:
1088:
1085:
1084:
1025:Thaumastocyoninae
333:Barstow Formation
252:
251:
225:
1324:
1265:
1258:
1251:
1219:
1212:
1198:
1197:
1185:
1184:
1172:
1171:
1159:
1158:
1146:
1145:
1144:
1114:
1101:
1023:
979:
928:
895:Brachyrhyncocyon
877:
693:
582:
578:
570:
564:
551:
491:
484:
477:
468:
461:
460:
424:
418:
379:Iron Canyon Site
347:Goliad Formation
321:Blair Junction,
281:
267:during the Late
223:
216:
203:
190:
130:
129:
115:
45:
29:Temporal range:
21:
1332:
1331:
1327:
1326:
1325:
1323:
1322:
1321:
1272:
1271:
1270:
1269:
1208:
1206:
1201:
1193:
1188:
1180:
1175:
1167:
1162:
1154:
1149:
1140:
1139:
1134:
1121:
1111:
1102:
1081:
1016:
972:
921:
870:
858:Pseudocyonopsis
686:
574:
558:
545:
501:
495:
465:
464:
426:
425:
421:
415:
410:
318:
288:
276:
263:that inhabited
222:
214:
201:
188:
124:
116:
114:
113:
112:
111:
106:
101:
96:
91:
86:
81:
76:
71:
66:
61:
56:
51:
41:13.6β10.3
40:
39:
37:
27:
17:
12:
11:
5:
1330:
1328:
1320:
1319:
1314:
1309:
1304:
1299:
1294:
1289:
1284:
1274:
1273:
1268:
1267:
1260:
1253:
1245:
1242:
1241:
1220:
1203:
1202:
1200:
1199:
1186:
1173:
1160:
1147:
1131:
1129:
1123:
1122:
1117:
1108:
1107:
1104:
1103:
1096:
1094:
1091:
1090:
1087:
1086:
1083:
1082:
1080:
1079:
1072:
1065:
1058:
1051:
1044:
1037:
1029:
1027:
1018:
1017:
1015:
1014:
1007:
1000:
993:
990:Delotrochanter
985:
983:
974:
973:
971:
970:
967:Haplocyonopsis
963:
960:Haplocyonoides
956:
949:
942:
934:
932:
923:
922:
920:
919:
912:
905:
898:
891:
883:
881:
872:
871:
869:
868:
861:
854:
847:
844:Pseudamphicyon
840:
833:
826:
819:
812:
805:
798:
791:
784:
777:
770:
763:
756:
749:
742:
735:
728:
721:
714:
707:
699:
697:
688:
687:
685:
684:
677:
670:
663:
656:
649:
642:
635:
628:
621:
614:
607:
600:
597:Angelarctocyon
593:
585:
575:
567:
560:
559:
554:
547:
546:
544:
543:
537:
535:Amphicyonoidea
531:
525:
519:
513:
506:
503:
502:
496:
494:
493:
486:
479:
471:
463:
462:
443:(4): 375β388.
419:
412:
411:
409:
406:
405:
404:
390:
389:~11.8β11.9 Ma.
376:
365:
364:~11.8β11.7 Ma.
354:
340:
326:
325:~14.2β11.7 Ma.
317:
314:
287:
284:
250:
249:
248:
247:
241:
232:
231:
227:
226:
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208:
207:
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176:
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156:
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146:
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136:
132:
131:
118:
117:
109:
108:
107:
102:
97:
92:
87:
82:
77:
72:
67:
62:
57:
52:
47:
46:
28:
15:
13:
10:
9:
6:
4:
3:
2:
1329:
1318:
1315:
1313:
1310:
1308:
1305:
1303:
1300:
1298:
1295:
1293:
1290:
1288:
1285:
1283:
1282:Amphicyonidae
1280:
1279:
1277:
1266:
1261:
1259:
1254:
1252:
1247:
1246:
1240:
1238:
1234:
1230:
1226:
1221:
1218:
1214:
1209:
1196:
1191:
1187:
1183:
1178:
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1170:
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1157:
1152:
1148:
1143:
1137:
1133:
1132:
1130:
1128:
1124:
1120:
1115:
1100:
1078:
1077:
1073:
1071:
1070:
1066:
1064:
1063:
1062:Thaumastocyon
1059:
1057:
1056:
1052:
1050:
1049:
1045:
1043:
1042:
1038:
1036:
1035:
1031:
1030:
1028:
1026:
1019:
1013:
1012:
1008:
1006:
1005:
1001:
999:
998:
994:
992:
991:
987:
986:
984:
982:
981:Temnocyoninae
975:
969:
968:
964:
962:
961:
957:
955:
954:
950:
948:
947:
943:
941:
940:
936:
935:
933:
931:
930:Haplocyoninae
924:
918:
917:
913:
911:
910:
906:
904:
903:
899:
897:
896:
892:
890:
889:
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884:
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880:
873:
867:
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848:
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845:
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839:
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831:
827:
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824:
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811:
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769:
768:
764:
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750:
748:
747:
743:
741:
740:
736:
734:
733:
729:
727:
726:
722:
720:
719:
715:
713:
712:
708:
706:
705:
701:
700:
698:
696:
695:Amphicyoninae
689:
683:
682:
678:
676:
675:
674:Symplectocyon
671:
669:
668:
664:
662:
661:
657:
655:
654:
653:Paradaphoenus
650:
648:
647:
643:
641:
640:
636:
634:
633:
632:Harpagophagus
629:
627:
626:
622:
620:
619:
615:
613:
612:
608:
606:
605:
601:
599:
598:
594:
592:
591:
587:
586:
583:
579:
576:
573:
572:Amphicyonidae
565:
561:
557:
556:Amphicyonidae
552:
548:
542:
539:Superfamily:
538:
536:
532:
530:
526:
524:
520:
518:
514:
512:
508:
507:
504:
500:
492:
487:
485:
480:
478:
473:
472:
469:
458:
454:
450:
446:
442:
438:
434:
432:
423:
420:
417:
414:
407:
402:
398:
394:
391:
388:
384:
380:
377:
374:
370:
367:Olcott Hill,
366:
363:
359:
355:
352:
348:
344:
341:
338:
334:
330:
327:
324:
320:
319:
315:
313:
311:
307:
303:
302:
297:
293:
285:
283:
280:million years
279:
274:
270:
266:
265:North America
262:
258:
257:
245:
242:
240:Matthew, 1902
239:
236:
235:
233:
228:
221:
220:
213:
210:
209:
206:
205:Amphicyoninae
200:
197:
196:
193:
192:Amphicyonidae
187:
184:
183:
180:
177:
174:
173:
170:
167:
164:
163:
160:
157:
154:
153:
150:
147:
144:
143:
140:
137:
134:
133:
128:
123:
119:
105:
100:
95:
90:
85:
80:
75:
70:
65:
60:
55:
50:
44:
36:
32:
26:
22:
19:
1302:Clarendonian
1237:expanding it
1222:
1207:
1126:
1074:
1067:
1060:
1053:
1046:
1039:
1032:
1009:
1002:
995:
988:
965:
958:
951:
944:
937:
914:
907:
902:Daphoenictis
900:
893:
888:Adilophontes
886:
863:
856:
849:
842:
835:
828:
821:
814:
807:
800:
793:
786:
781:Janvierocyon
779:
773:
772:
765:
758:
751:
744:
737:
730:
723:
718:Askazansoria
716:
709:
702:
679:
672:
665:
658:
651:
644:
637:
630:
623:
616:
609:
602:
595:
588:
499:amphicyonids
440:
436:
430:
422:
416:
353:~12β11.7 Ma.
309:
305:
299:
295:
291:
289:
261:amphicyonids
255:
254:
253:
243:
237:
218:
217:
35:Clarendonian
24:
18:
1225:prehistoric
1127:Ischyrocyon
1034:Agnotherium
909:Daphoenodon
879:Daphoeninae
865:Tartarocyon
837:Pseudarctos
816:Namibiocyon
802:Mogharacyon
774:Ischyrocyon
753:Goupilictis
667:Storchictis
625:Harpagocyon
618:Gustafsonia
611:Guangxicyon
590:Amphicyanis
431:Ischyrocyon
310:Ischyrocyon
306:Ischyrocyon
296:Ischyrocyon
292:Ischyrocyon
256:Ischyrocyon
219:Ischyrocyon
198:Subfamily:
25:Ischyrocyon
1297:Barstovian
1276:Categories
1076:Ysengrinia
1055:Peignecyon
1041:Ammitocyon
851:Pseudocyon
823:Paludocyon
795:Magericyon
788:Maemohcyon
739:Cynodictis
725:Bonisicyon
681:Vishnucyon
646:Paludocyon
639:Meiniogale
604:Brachycyon
533:Suborder:
497:Genera of
408:References
31:Barstovian
1229:Carnivora
1142:Q11683729
1048:Crassidia
1011:Temnocyon
1004:Rudiocyon
997:Mammacyon
953:Haplocyon
939:Aktaucyon
916:Daphoenus
767:Istiocyon
760:Hecubides
746:Dehmicyon
711:Amphicyon
660:Sarcocyon
541:Carnivora
529:Carnivora
509:Kingdom:
403:~11.8 Ma.
375:~11.9 Ma.
339:~14.0 Ma.
301:Amphicyon
179:Carnivora
145:Kingdom:
139:Eukaryota
1136:Wikidata
1069:Tomocyon
946:Gobicyon
830:Pliocyon
704:Afrocyon
523:Mammalia
517:Chordata
515:Phylum:
511:Animalia
457:85341612
286:Behavior
230:Species
185:Family:
169:Mammalia
159:Chordata
155:Phylum:
149:Animalia
135:Domain:
1182:4942102
1169:1041857
1156:4833376
809:Myacyon
732:Cynelos
527:Order:
521:Class:
269:Miocene
211:Genus:
175:Order:
165:Class:
110:↓
455:
1231:is a
1195:41287
1164:IRMNG
453:S2CID
1233:stub
1151:GBIF
49:Preκ
445:doi
1278::
1192::
1179::
1166::
1153::
1138::
451:.
441:18
439:.
435:.
399:,
395:,
385:,
381:,
371:,
360:,
349:,
345:,
335:,
331:,
282:.
273:Ma
99:Pg
43:Ma
1264:e
1257:t
1250:v
1239:.
1022:β
978:β
927:β
876:β
692:β
569:β
490:e
483:t
476:v
459:.
447::
433:"
278:4
215:β
202:β
189:β
104:N
94:K
89:J
84:T
79:P
74:C
69:D
64:S
59:O
54:κ
38:~
33:-
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