641:
793:
612:
626:
781:
752:
769:
516:
598:, females matured and stopped growing before males, which is often seen in extant polygynous mammals. Males may have fought for mating rights; healed wounds on skulls have been observed, and healed broken ribs are not uncommon (although not all have their sexes determined). This is further supported by the breeding age female-to-male ratio in the Ashfall Fossil Beds being 4.25:1. There is also a rarity of young adult males preserved at Ashfall, which may be accounted for if they formed bachelor herds away from females and dominant bulls.
127:
657:
495:
170:
144:
1231:
716:
Most of the skeletons are adult females and young, the breeding age female-to-male ratio being 4.25:1. There is also a rarity of young adult males. If the rhinos at
Ashfall represent a herd, this may be accounted for if young adult males formed bachelor herds away from females and dominant bulls. The
780:
640:
792:
611:
552:
suggested in 1898 that it was semi-aquatic and hippo-like in habits. This idea persisted for about a century, but has recently been discounted by isotopic evidence.
1319:
1127:"The geology and paleontology of Ashfall Fossil Beds, a late Miocene (Clarendonian) mass-death assemblage, Antelope County and adjacent Knox County, Nebraska, USA"
625:
594:
was sexually dimorphic. Males were larger, with larger tusks (lower incisors), a more massive head and neck, and significantly larger forelimbs. As a result of
583:
or mixed feeding (both browsing and grazing) diet. Carbon and oxygen isotope analysis of tooth enamel suggests hippo-like grazing habits, but not aquatic.
1380:
1405:
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846:
1400:
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710:
728:
skeletons at the site, of which most were preserved in a nearly complete state. One extraordinary specimen includes the remains of a
1218:
1204:
1131:
Geologic Field Trips along the
Boundary between the Central Lowlands and Great Plains: 2014 Meeting of the GSA North-Central Section
705:
was buried above the rest, being the last of the animals to succumb (small animals died faster), several weeks or months after the
888:(Rhinocerotidae) through an interval of changing climate and vegetation in the Neogene of the Great Plains, central United States"
695:
751:
1365:
1087:
1027:
1375:
1360:
768:
1167:
724:
The greatest concentration of
Ashfall fossils is housed in a building called the "Rhino Barn", due to the prevalence of
135:
515:
169:
927:
1103:
126:
1026:
Mihlbachler, Matthew C.; Campbell, Daniel; Chen, Charlotte; Ayoub, Michael; Kaur, Pawandeep (February 2018).
1246:
698:
549:
1235:
988:
850:
1390:
1332:
960:
156:
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herds, as amongst the skeletons, 54% are immature, 30% are young adults, and 16% are older adults.
1395:
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1039:
899:
706:
580:
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683:
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had much shorter legs than modern rhinos, and a barrel chest, making its build more like that of a
429:
1063:
457:
368:
164:
1337:
989:"A new species of Teleoceras (Mammalia, Rhinocerotidae) from the late Hemphillian of Tennessee"
953:"A New Species of Teleoceras (Mammalia, Rhinocerotidae) from the Late Hemphillian of Tennessee"
656:
494:
440:
from around 17.5 to 4.9 million years ago. It grew up to lengths of 13 feet (4.0 meters) long.
1324:
1214:
1200:
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1107:
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1008:
595:
264:
1134:
1099:
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1000:
907:
572:
468:
1284:
973:
1088:"Sexual dimorphism and paleoecology in Teleoceras , a North American Miocene rhinoceros"
1043:
903:
571:) molar teeth, which has historically led to suggestions that the species were grazers.
1028:"Microwear–mesowear congruence and mortality bias in rhinoceros mass-death assemblages"
759:
244:
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952:
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433:
418:
84:
1067:
718:
545:
456:, most likely due to rapid climate cooling, increased seasonality and expansion of
414:
273:
143:
17:
912:
879:
475:, dated to 4.5-5 million years ago, hosts one of the latest-known populations of
1278:
559:
have a small nasal horn, but this appears to be absent in other species such as
453:
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45:
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757:(1) 8-9 year old young adult male "Tusker". Wisdom teeth emerging. (2)
1311:
422:
114:
89:
1125:
Tucker, S.T.; Otto, R.E.; Joeckel, R.M.; Voorhies, M.R. (April 2014),
211:
191:
1240:
531:
410:
1298:
786:
10-12 year old adult male "Dr. Marie", with all permanent teeth.
713:(HPOD), as a result of lung failure from the fine volcanic ash.
504:
1244:
987:
Short, Rachel; Wallace, Steven; Emmert, Laura (2019-04-27).
409:(Greek: "perfect" (teleos), "horn" (keratos)) is an extinct
1104:
10.1666/0094-8373(2000)026<0689:SDAPIT>2.0.CO;2
463:
grasses, as isotopic evidence suggests that the uptake of C
467:
plants was far less than that in contemporary horses. The
1213:
709:. Their skeletons show evidence of bone disease, ie
1253:
1199:Columbia University Press, New York, 631 pp.
1197:Classification of Mammals Above the Species Level.
717:age demographic is very similar to that of modern
993:Bulletin of the Florida Museum of Natural History
892:Palaeogeography, Palaeoclimatology, Palaeoecology
1133:, Geological Society of America, pp. 1–22,
548:than a modern rhino. Based on this description,
1195:McKenna, Malcolm C., and Bell, Susan K. 1997.
847:"Glossary. American Museum of Natural History"
1211:The Evolution of North American Rhinoceroses.
8:
774:(3) Adult female "Sandy" (4) Calf "Justin".
1241:
873:
871:
869:
142:
125:
31:
911:
694:skeletons are preserved in ash from the
446:went extinct in North America alongside
811:
798:Fetus within birth canal of the pelvis.
732:calf trying to suckle from its mother.
969:
958:
1081:
1079:
1077:
711:hypertrophic pulmonary osteodystrophy
7:
951:Short, Rachel A; Wallace, Steven C.
25:
827:McKenna & Bell, 1997, p. 483.
682:is the most common fossil in the
579:analysis alternatively suggest a
1381:Neogene mammals of North America
1229:
932:geology.teacherfriendlyguide.org
791:
779:
767:
750:
655:
639:
624:
610:
514:
493:
168:
1406:Ringold Formation Miocene Fauna
1371:Miocene genus first appearances
1:
1401:Fossil taxa described in 1894
878:Wang, B.; Secord, R. (2020).
928:"Region 4: The Great Plains"
913:10.1016/j.palaeo.2019.109411
136:Natural History Museum of LA
701:. Of the 20+ taxa present,
1422:
1209:Prothero, Donald R. 2005.
760:Cormohipparion occidentale
707:pyroclastic airfall event
374:
367:
295:
290:
279:
272:
165:Scientific classification
163:
150:
141:
133:
124:
34:
1086:Mead, Alfred J. (2000).
27:Extinct genus of mammals
1005:10.58782/flmnh.kpcf8483
836:Prothero, 2005, p. 122.
968:Cite journal requires
818:Prothero, 2005, p. 94.
699:supervolcanic eruption
550:Henry Fairfield Osborn
527:Barbourofelis loveorum
1366:Pliocene rhinoceroses
1333:Paleobiology Database
1238:at Wikimedia Commons
1168:"Ashfall Fossil Beds"
1139:10.1130/2014.0036(01)
157:Robert Bruce Horsfall
1376:Zanclean extinctions
1361:Miocene rhinoceroses
853:on 20 November 2021.
480:Teleoceras aepysoma.
1052:10.1017/pab.2017.13
1044:2018Pbio...44..131M
904:2020PPP...54209411W
743:Ashfall Fossil Beds
684:Ashfall Fossil Beds
675:Ashfall Fossil Beds
18:Teleoceras fossiger
690:. Over 100 intact
567:has high crowned (
452:at the end of the
1348:
1347:
1247:Taxon identifiers
1234:Media related to
1148:978-0-8137-0036-6
880:"Paleoecology of
587:Sexual dimorphism
466:
461:
402:
401:
396:
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268:
16:(Redirected from
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1170:. Archived from
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863:(Prothero, 2005)
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849:. Archived from
843:
837:
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828:
825:
819:
816:
795:
783:
771:
754:
696:Bruneau-Jarbidge
680:Teleoceras major
659:
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628:
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573:Dental microwear
555:Some species of
518:
497:
469:Gray Fossil Site
464:
459:
394:
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283:Teleoceras major
263:
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173:
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155:illustration by
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134:Specimen at the
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56:
40:Temporal range:
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348:T. medicornutum
318:T. brachyrhinum
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52:15.97–4.9
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1225:External links
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1117:
1098:(4): 689–706.
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1038:(1): 131–154.
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999:(5): 183–260.
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970:|journal=
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436:to the end of
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232:Rhinocerotidae
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1219:0-521-83240-3
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1205:0-231-11013-8
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1174:on 2011-05-18
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689:
685:
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674:
669:
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646:Young female
642:
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627:
619:
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496:
484:
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481:
478:
474:
471:in northeast
470:
462:
455:
451:
450:
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441:
439:
435:
434:Hemingfordian
431:
428:
424:
420:
419:North America
416:
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408:
407:
393:
392:
387:
382:
381:
376:
375:
373:
370:
366:
361:
357:
355:
354:T. meridianum
351:
349:
345:
343:
339:
337:
336:T. guymonense
333:
331:
327:
325:
321:
319:
315:
313:
312:T. americanum
309:
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55:
47:
43:
37:
33:
30:
19:
1391:Clarendonian
1254:
1228:
1210:
1196:
1190:Bibliography
1176:. Retrieved
1172:the original
1162:
1152:, retrieved
1130:
1120:
1095:
1092:Paleobiology
1091:
1035:
1032:Paleobiology
1031:
1021:
996:
992:
982:
961:cite journal
946:
935:. Retrieved
931:
922:
895:
891:
885:
881:
859:
851:the original
841:
832:
823:
814:
758:
738:
729:
725:
723:
715:
702:
691:
679:
678:
647:
631:
617:
591:
590:
564:
560:
556:
554:
546:hippopotamus
541:
540:
525:
521:
500:
479:
476:
447:
443:
442:
415:rhinocerotid
405:
404:
403:
390:
389:
384:(Cook, 1930)
379:
378:
359:
353:
347:
341:
335:
329:
323:
317:
311:
305:
299:
282:
281:
274:Type species
258:
257:
152:
35:
29:
1396:Hemphillian
1279:Wikispecies
650:, Nebraska.
632:T. fossiger
618:T. aginense
561:T. aepysoma
522:T. proterum
501:T. fossiger
485:Description
477:Teleoceras,
454:Hemphillian
438:Hemphillian
432:during the
421:during the
391:Paraphelops
360:T. proterum
330:T. fossiger
306:T. aginense
300:T. aepysoma
238:Subfamily:
153:T. fossiger
46:Hemphillian
1386:Barstovian
1355:Categories
1285:Teleoceras
1255:Teleoceras
1236:Teleoceras
1178:2005-12-13
1154:2024-08-13
937:2021-06-26
898:: 109411.
886:Teleoceras
806:References
730:Teleoceras
596:bimaturism
592:Teleoceras
565:Teleoceras
557:Teleoceras
542:Teleoceras
444:Teleoceras
406:Teleoceras
395:Lane, 1927
259:Teleoceras
42:Barstovian
36:Teleoceras
1112:0094-8373
1060:0094-8373
1013:2373-9991
741:from the
670:Discovery
634:, Kansas.
569:hypsodont
473:Tennessee
380:Mesoceras
324:T. hicksi
188:Kingdom:
182:Eukaryota
1264:Wikidata
1068:90987376
882:Aphelops
739:T. major
726:T. major
703:T. major
692:T. major
688:Nebraska
648:T. major
581:browsing
577:mesowear
449:Aphelops
427:Pliocene
369:Synonyms
342:T. major
291:Species
228:Family:
212:Mammalia
202:Chordata
198:Phylum:
192:Animalia
178:Domain:
1325:1374709
1312:3239442
1299:4452636
1270:Q133358
1040:Bibcode
900:Bibcode
423:Miocene
265:Hatcher
251:Genus:
218:Order:
208:Class:
1217:
1203:
1145:
1110:
1066:
1058:
1011:
604:Skulls
430:epochs
267:, 1894
1338:43226
1320:IRMNG
1064:S2CID
719:hippo
662:Baby.
532:FLMNH
411:genus
151:1913
1307:GBIF
1215:ISBN
1201:ISBN
1143:ISBN
1108:ISSN
1056:ISSN
1009:ISSN
974:help
884:and
575:and
524:and
505:NMNH
425:and
60:PreꞒ
1294:EoL
1135:doi
1100:doi
1048:doi
1001:doi
908:doi
896:542
686:of
413:of
1357::
1335::
1322::
1309::
1296::
1281::
1266::
1141:,
1129:,
1106:.
1096:26
1094:.
1090:.
1076:^
1062:.
1054:.
1046:.
1036:44
1034:.
1030:.
1007:.
997:56
995:.
991:.
965::
963:}}
959:{{
930:.
906:.
894:.
890:.
868:^
563:.
530:,
503:,
159:.
110:Pg
54:Ma
1181:.
1137::
1114:.
1102::
1070:.
1050::
1042::
1015:.
1003::
976:)
972:(
955:.
940:.
916:.
910::
902::
534:.
507:.
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115:N
105:K
100:J
95:T
90:P
85:C
80:D
75:S
70:O
65:Ꞓ
49:~
44:-
20:)
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