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Hexaprotodon (pygmy hippo)
Taxonomy
Hexaprotodon was named by Falconer and Cautley (1836).
It was reranked as Hippopotamus (Hexaprotodon) by Falconer and Cautley (1836).
It was assigned to Hippopotamus by Falconer and Cautley (1836); to Hippopotaminae by McKenna and Bell (1997), Weston (2000), Boisserie et al. (2003), Boisserie et al. (2005), Boisserie et al. (2010), Orliac et al. (2010), Weston and Boisserie (2010), Boisserie et al. (2011); and to Hippopotamidae by Coryndon (1977), Gaziry (1987), Carroll (1988), Thewissen et al. (2001), Boisserie (2005), Agnarsson and May-Collado (2008), Siddiq et al. (2016).
It was reranked as Hippopotamus (Hexaprotodon) by Falconer and Cautley (1836).
It was assigned to Hippopotamus by Falconer and Cautley (1836); to Hippopotaminae by McKenna and Bell (1997), Weston (2000), Boisserie et al. (2003), Boisserie et al. (2005), Boisserie et al. (2010), Orliac et al. (2010), Weston and Boisserie (2010), Boisserie et al. (2011); and to Hippopotamidae by Coryndon (1977), Gaziry (1987), Carroll (1988), Thewissen et al. (2001), Boisserie (2005), Agnarsson and May-Collado (2008), Siddiq et al. (2016).
Species
Synonymy list
| Year | Name and author |
|---|---|
| 1836 | Hexaprotodon Falconer and Cautley p. 51 |
| 1836 | Hippopotamus (Hexaprotodon) Falconer and Cautley p. 51 |
| 1977 | Hexaprotodon Coryndon p. 73 |
| 1987 | Hexaprotodon Gaziry p. 309 |
| 1988 | Hexaprotodon Carroll |
| 1997 | Hexaprotodon McKenna and Bell p. 399 |
| 2000 | Hexaprotodon Weston p. 177 |
| 2001 | Hexaprotodon Thewissen et al. p. suppl. |
| 2003 | Hexaprotodon Boisserie et al. p. 16 |
| 2005 | Hexaprotodon Boisserie p. 18 |
| 2005 | Hexaprotodon Boisserie et al. |
| 2008 | Hexaprotodon Agnarsson and May-Collado p. 981 figs. Fig. 5 |
| 2010 | Hexaprotodon Boisserie et al. p. 328 |
| 2010 | Hexaprotodon Orliac et al. p. 11873 figs. Fig. 2 |
| 2010 | Hexaprotodon Weston and Boisserie p. 857 |
| 2011 | Hexaprotodon Boisserie et al. p. 620 figs. Table 1 |
| 2016 | Hexaprotodon Siddiq et al. p. 2581 |
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If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.
G. †Hexaprotodon Falconer and Cautley 1836 [pygmy hippo]
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†Hexaprotodon aethiopicus Coryndon and Coppens 1975
†Hexaprotodon bruneti Boisserie and White 2004
†Hexaprotodon coryndoni Geze 1985
†Hexaprotodon crusafonti Aguire 1963
†Hexaprotodon dissimilis Falconer and Cautley 1836
†Hexaprotodon dulu Boisserie 2004
†Hexaprotodon garyam Boisserie et al. 2005
†Hexaprotodon imaguncula Hopwood 1926
†Hexaprotodon iravticus Falconer and Cautley 1847
†Hexaprotodon mingoz Boisserie et al. 2003
†Hexaprotodon namadicus Falconer and Cautley 1847
†Hexaprotodon palaeindicus Falconer and Cautley 1847
†Hexaprotodon pantanellii Joleaud 1920
†Hexaprotodon primaevus Crusafont et al. 1964
†Hexaprotodon sahabiensis Gaziry 1987
†Hexaprotodon shungurensis Geze 1985
†Hexaprotodon siculus Hooijer 1946
†Hexaprotodon sivalensis Falconer and Cautley 1836
†Hippopotamus (Hexaprotodon) hipponensis Gaudry 1867
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: g = genus, f = family, o = order, subc = subclass, c = class, subp = subphylum | |||||
| References: Nowak 1991, Carroll 1988, Nowak 1999, Lillegraven 1979, Hendy et al. 2009, Gingerich 2003 | |||||
Age range: base of the Messinian to the top of the Late/Upper Pleistocene or 7.24600 to 0.01170 Ma
Collections (112 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Miocene - Pliocene | Uganda | Hexaprotodon imagunculus (22399) | |
| Miocene - Pleistocene | Ethiopia | Hexaprotodon sp. (22128) | |
| Late/Upper Miocene | Thailand (Nakhon Ratchasima) | Hexaprotodon sp. (144187) | |
| Tortonian - Messinian | Kenya | Hexaprotodon sp. (22241 22243) | |
| Late/Upper Miocene - Early/Lower Pliocene | Chad | Hexaprotodon mingoz (24181) | |
| Late/Upper Miocene - Early/Lower Pliocene | Uganda | Hexaprotodon imagunculus (22345) | |
| Tortonian - Zanclean | Kenya | Hippopotamus sp. A, Hippopotamus sp. B (22236) | |
| Tortonian - Zanclean | Ethiopia | Hexaprotodon sp. (22139 22158 22159 22179) | |
| Turolian | Spain (Valencia) | Hexaprotodon sp. (40758) | |
| Messinian | Libya | Hexaprotodon sahabiensis (28309) | |
| Messinian | Chad | Hexaprotodon garyam (97223) Hexaprotodon sp. (59839) | |
| Messinian - Zanclean | Kenya | Hexaprotodon sp. (22242) | |
| Messinian - Piacenzian | Kenya (Turkana District) | Hexaprotodon sp. (21332) | |
| Messinian - Piacenzian | Kenya | Hexaprotodon sp. (22237) | |
| Early/Lower Pliocene | Ethiopia | Hexaprotodon dulu (97500) Hexaprotodon sp. (22171) | |
| Zanclean | Chad | Hexaprotodon mingoz (59831) | |
| Zanclean | Kenya (Turkana District) | Hexaprotodon sp. (21336) | |
| Zanclean | Ethiopia | Hexaprotodon sp. (22132 22133 22160 22175 22176) | |
| Zanclean | Kenya | Hexaprotodon protoamphibius (21510) | |
| Pliocene | Uganda | Hexaprotodon imagunculus (22265) | |
| Pliocene | Ethiopia (Afar) | Hexaprotodon sp. (70907) | |
| Pliocene | Kenya | Hexaprotodon protoamphibius (22321) | |
| Zanclean - Calabrian | Kenya | Hexaprotodon protoamphibius (21531) | |
| Pliocene - Pleistocene | Congo-Kinshasa | Hexaprotodon imagunculus (22075 22090 22091 22092 22096 22102 22104 22106 22107 22109 22114 22123 22207 22346) | |
| Pliocene - Pleistocene | Nepal | Hexaprotodon sivalensis (36574) | |
| Zanclean - Pleistocene | Ethiopia | Hexaprotodon sp. (22130 22197) | |
| Ruscinian | Italy (Tuscany) | Hexaprotodon "pantanellii" (49333) | |
| Late/Upper Pliocene | India (Jammu) | Hexaprotodon sivalensis (51101) | |
| Late/Upper Pliocene | Ethiopia | Hexaprotodon bruneti (97499) | |
| Late/Upper Pliocene | India (Panjab) | Hexaprotodon sivalensis (51104 51106) | |
| Piacenzian | Chad | Hexaprotodon protoamphibius (21962) Hexaprotodon sp. (22506) | |
| Piacenzian | Kenya | Hexaprotodon protoamphibius (21425 21435 21484 21485 21530 21536) | |
| Piacenzian | Ethiopia | Hexaprotodon protoamphibius (21783 22038) Hexaprotodon protoamphibius, Hexaprotodon coryndoni (21785) | |
| Piacenzian - Gelasian | Kenya (Rift Valley) | Hexaprotodon protoamphibius (21344) | |
| Late/Upper Pliocene - Early/Lower Pleistocene | Myanmar | Hexaprotodon iravaticus (41235 41240) Hexaprotodon sp. (41305) | |
| Piacenzian - Calabrian | Kenya | Hexaprotodon protoamphibius (21433) | |
| Gelasian | Kenya (Rift Valley) | Hexaprotodon protoamphibius (21280 21282 21283 21286 21342 21345 21354 21355) | |
| Gelasian | Kenya | Hexaprotodon aethiopicus (21398 21478) | |
| Gelasian | Ethiopia | Hexaprotodon protoamphibius (21983 22002 22023 22026) Hexaprotodon protoamphibius, Hexaprotodon shungurensis (22039) | |
| Early/Lower Pleistocene | Indonesia | Hexaprotodon simplex (93517 93519) Hexaprotodon sivalensis (93520 93522) | |
| Early/Lower Pleistocene | Sri Lanka (Sabaragamuva) | Hexaprotodon sivalensis (14150) | |
| Gelasian - Calabrian | Kenya | Hexaprotodon aethiopicus (21367 21378 21445 21448 21454 21464 21495 21515) | |
| Pleistocene | India | Hexaprotodon namadicus (237977) Hexaprotodon palaeindicus (238017 238018) Hexaprotodon sivalensis, Hexaprotodon palaeindicus, Hexaprotodon namadicus (237975) | |
| Pleistocene | Saudi Arabia | Hexaprotodon sp. (48857) | |
| Pleistocene | Pakistan (Bhimber) | Hexaprotodon sivalensis (236037) | |
| Pleistocene | Pakistan (Punjab) | Hexaprotodon sivalensis (189825) | |
| Pleistocene - Holocene | Ethiopia | Hexaprotodon bruneti (22166) | |
| Calabrian | Kenya | Hexaprotodon aethiopicus (21368 21403 21514 21525) | |
| Late/Upper Pleistocene | Indonesia | Hexaprotodon sivalensis (93523) |