48:
743:
530:
847:
837:
730:
842:
807:
797:
568:
812:
802:
832:
817:
827:
526:"The phylogeny and taxonomy of Hippopotamidae (Mammalia: Artiodactyla): a review based on morphology and cladistic analysis"
822:
47:
581:
685:
769:
717:
336:
42:
774:
756:
748:
624:
585:
434:
761:
663:
655:
577:
539:
285:
335:
and with a more slender skeleton. It was, however, significantly larger than the modern
642:
Martino, R.; Rook, L.; Mateus, O.; Pandolfi, L. (2023). "The Late
Miocene hippopotamid,
205:
119:
109:
646:
nov. comb., from the Casino Basin (Tuscany, Italy): paleobiogeographic implications".
791:
544:
525:
422:
467:
418:
328:
306:
240:
234:
222:
217:
30:
659:
313:
and first described in 2000. When first described, the species was classified as
430:
288:. The informal name "narrow muzzled hippos" has been suggested for this genus.
213:
99:
708:
628:
589:
490:
have been dated to as recently as about 2 million years ago, the end of the
426:
59:
260:
Many prehistoric hippo fossils are known primarily through fossils of the
702:
491:
398:
302:
261:
79:
34:
668:
735:
442:
273:
245:
198:
617:
Proceedings of the
Koninklijke Nederlandse Akademie van Wetenschappen
368:
are approximately the same size as those of the modern hippopotamus.
364:
are similar, the former species is significantly smaller. Femurs of
209:
89:
69:
679:
317:, although the significant morphological differences between other
446:
310:
232:
means "the ancient of the river". Of all identified hippos, only
201:
722:
494:
epoch. These fossils are significantly different from those of
683:
471:
cannot be determined from the few fossils available. Although
375:
or the Abu Dhabi
Hippopotamus, are now considered to belong to
603:
Coryndon, S. C. (1977). "The
Taxonomy and Nomenclature of the
352:
is a species of hippo first described in 1977, originally as
648:
Historical
Biology: An International Journal of Paleobiology
619:. Series B, Palaeontology, geology, physics, and chemistry.
566:(Mammalia: Hippopotamidae) From the Late Miocene of Kenya".
582:
10.1671/0272-4634(2000)020[0177:ANSOHH]2.0.CO;2
216:. The genus was described in 2005 to encompass species of
562:
Weston, E.M. (March 2000). "A New
Species of Hippopotamus
479:, it is likely a sister group of both hippopotamuses and
208:
that lived between 7.5 and 2.58 million years ago in
692:
371:Another group of fossils, originally described as
615:) and a Description of Two New Fossil Species".
475:is more primitive than any member of the genus
301:is a species whose fossils were discovered at
8:
519:
517:
515:
680:
20:
667:
543:
531:Zoological Journal of the Linnean Society
557:
555:
511:
244:, however, is only known from partial
252:is the oldest well-identified hippo.
7:
569:Journal of Vertebrate Paleontology
14:
387:is more extensive than for other
545:10.1111/j.1096-3642.2004.00138.x
220:that were previously grouped in
46:
848:Prehistoric Artiodactyla genera
838:Miocene genus first appearances
524:Boisserie, Jean-Renaud (2005).
397:is believed to have had a more
356:. Although the proportions of
429:and thus likely ranged across
1:
843:Fossil taxa described in 2005
660:10.1080/08912963.2023.2194912
327:was smaller than the modern
864:
808:Pliocene mammals of Africa
644:Archaeopotamus pantanellii
564:Hexaprotodon Lothagamensis
457:The immediate ancestor of
315:Hexaprotodon lothagamensis
798:Miocene mammals of Africa
417:have been unearthed near
383:. The fossil record for
149:
144:
43:Scientific classification
41:
23:
813:Pliocene mammals of Asia
373:Hexaprotodon sahabiensis
16:Extinct genus of mammals
803:Miocene mammals of Asia
833:Piacenzian extinctions
818:Extinct hippopotamuses
331:and also smaller than
305:, a site southwest of
284:has a highly elongate
828:Pliocene Artiodactyla
770:Paleobiology Database
461:is unknown. Whether
354:Hexaprotodon harvardi
321:species, were noted.
272:, has three pairs of
823:Miocene Artiodactyla
286:mandibular symphysis
486:Fossils similar to
502:of the same time.
465:is descended from
337:pygmy hippopotamus
785:
784:
757:Open Tree of Life
686:Taxon identifiers
435:Arabian Peninsula
190:
189:
185:
173:
165:
157:
140:
855:
778:
777:
765:
764:
752:
751:
739:
738:
726:
725:
713:
712:
711:
681:
674:
673:
671:
639:
633:
632:
600:
594:
593:
559:
550:
549:
547:
521:
425:in Kenya and in
403:A. lothagamensis
381:A. lothagamensis
362:A. lothagamensis
325:A. lothagamensis
299:A. lothagamensis
293:A. lothagamensis
276:. Unlike other
179:
171:
169:A. lothagamensis
163:
155:
138:
131:
51:
50:
29:Temporal range:
21:
863:
862:
858:
857:
856:
854:
853:
852:
788:
787:
786:
781:
773:
768:
760:
755:
747:
742:
734:
729:
721:
716:
707:
706:
701:
688:
678:
677:
641:
640:
636:
602:
601:
597:
561:
560:
553:
523:
522:
513:
508:
455:
411:
401:lifestyle than
347:
296:
258:
256:Characteristics
174:
166:
164:(Coryndon 1977)
158:
139:Boisserie, 2005
137:
129:
45:
37:
27:
17:
12:
11:
5:
861:
859:
851:
850:
845:
840:
835:
830:
825:
820:
815:
810:
805:
800:
790:
789:
783:
782:
780:
779:
766:
753:
740:
727:
714:
698:
696:
694:Archaeopotamus
690:
689:
684:
676:
675:
654:(4): 891–904.
634:
605:Hippopotamidae
595:
576:(1): 177–185.
551:
510:
509:
507:
504:
488:Archaeopotamus
473:Archaeopotamus
463:Archaeopotamus
459:Archaeopotamus
454:
451:
437:. The species
421:, Kenya; near
415:Archaeopotamus
410:
407:
389:Archaeopotamus
346:
341:
295:
290:
282:Archaeopotamus
266:Archaeopotamus
257:
254:
250:Archaeopotamus
230:Archaeopotamus
206:Hippopotamidae
194:Archaeopotamus
188:
187:
156:(Joleaud 1920)
147:
146:
142:
141:
134:Archaeopotamus
127:
123:
122:
120:Hippopotaminae
117:
113:
112:
110:Hippopotamidae
107:
103:
102:
97:
93:
92:
87:
83:
82:
77:
73:
72:
67:
63:
62:
57:
53:
52:
39:
38:
28:
25:Archaeopotamus
15:
13:
10:
9:
6:
4:
3:
2:
860:
849:
846:
844:
841:
839:
836:
834:
831:
829:
826:
824:
821:
819:
816:
814:
811:
809:
806:
804:
801:
799:
796:
795:
793:
776:
771:
767:
763:
758:
754:
750:
745:
741:
737:
732:
728:
724:
719:
715:
710:
704:
700:
699:
697:
695:
691:
687:
682:
670:
665:
661:
657:
653:
649:
645:
638:
635:
630:
626:
622:
618:
614:
610:
606:
599:
596:
591:
587:
583:
579:
575:
571:
570:
565:
558:
556:
552:
546:
541:
537:
533:
532:
527:
520:
518:
516:
512:
505:
503:
501:
497:
493:
489:
484:
482:
478:
474:
470:
469:
464:
460:
452:
450:
448:
444:
440:
439:A. pantanelli
436:
432:
428:
424:
423:Lake Victoria
420:
416:
408:
406:
404:
400:
396:
392:
390:
386:
382:
378:
374:
369:
367:
363:
359:
355:
351:
345:
342:
340:
338:
334:
330:
326:
322:
320:
316:
312:
308:
304:
300:
294:
291:
289:
287:
283:
279:
275:
271:
267:
263:
255:
253:
251:
247:
243:
242:
237:
236:
231:
227:
225:
224:
219:
215:
211:
207:
203:
200:
196:
195:
186:
183:
178:
172:(Weston 2000)
170:
162:
154:
153:A. pantanelli
148:
143:
136:
135:
128:
125:
124:
121:
118:
115:
114:
111:
108:
105:
104:
101:
98:
95:
94:
91:
88:
85:
84:
81:
78:
75:
74:
71:
68:
65:
64:
61:
58:
55:
54:
49:
44:
40:
36:
35:Late Pliocene
32:
26:
22:
19:
693:
669:10261/307410
651:
647:
643:
637:
623:(2): 72–88.
620:
616:
613:Artiodactyla
612:
608:
604:
598:
573:
567:
563:
535:
529:
500:Hexaprotodon
499:
496:Hippopotamus
495:
487:
485:
481:Hexaprotodon
480:
477:Hippopotamus
476:
472:
468:Kenyapotamus
466:
462:
458:
456:
438:
419:Lake Turkana
414:
412:
409:Distribution
402:
394:
393:
388:
384:
380:
376:
372:
370:
365:
361:
357:
353:
349:
348:
343:
332:
329:hippopotamus
324:
323:
319:Hexaprotodon
318:
314:
307:Lake Turkana
298:
297:
292:
281:
278:Hexaprotodon
277:
270:Hexaprotodon
269:
265:
259:
249:
241:Kenyapotamus
239:
235:Kenyapotamus
233:
229:
228:
223:Hexaprotodon
221:
193:
192:
191:
181:
176:
168:
160:
152:
150:
133:
132:
100:Artiodactyla
31:Late Miocene
24:
18:
431:East Africa
413:Fossils of
395:A. harvardi
385:A. harvardi
377:A. harvardi
366:A. harvardi
358:A. harvardi
350:A. harvardi
344:A. harvardi
333:A. harvardi
238:is older.
214:Middle East
180:(Boisserie
161:A. harvardi
116:Subfamily:
792:Categories
506:References
441:inhabited
629:0023-3366
590:0272-4634
453:Evolution
427:Abu Dhabi
262:lower jaw
177:A. qeshta
66:Kingdom:
60:Eukaryota
709:Q4785522
703:Wikidata
609:Mammalia
538:: 1–26.
492:Pliocene
433:and the
399:riparian
303:Lothagam
274:incisors
212:and the
145:Species
106:Family:
90:Mammalia
80:Chordata
76:Phylum:
70:Animalia
56:Domain:
762:4118658
749:1157735
736:4835802
723:4445972
443:Tuscany
268:, like
246:fossils
199:extinct
126:Genus:
96:Order:
86:Class:
627:
588:
218:hippos
210:Africa
197:is an
182:et al.
775:77329
744:IRMNG
447:Italy
311:Kenya
202:genus
184:2017)
731:GBIF
625:ISSN
586:ISSN
498:and
360:and
718:EoL
664:hdl
656:doi
578:doi
540:doi
536:143
379:or
309:in
264:.
204:of
33:to
794::
772::
759::
746::
733::
720::
705::
662:.
652:36
650:.
621:80
611:,
584:.
574:20
572:.
554:^
534:.
528:.
514:^
483:.
449:.
445:,
405:.
391:.
339:.
280:,
248:;
226:.
672:.
666::
658::
631:.
607:(
592:.
580::
548:.
542::
175:†
167:†
159:†
151:†
130:†
Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.
