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Neochoerus aesopi

Osteichthyes - Rodentia - Caviidae

Taxonomy
Oromys aesopi was named by Leidy (1853) [genotype; also said to be 1858]. It is a 3D body fossil.

It was recombined as Hydrochoerus aesopi by Leidy (1856), Leidy (1860), Leidy (1869), Trouessart (1880), Cope (1883), Winge (1887), Rogers (1896), Hay (1902), Hay (1923), Winge (1924), Allen (1926), Winge (1941), Mones (1975), Gillette and Colbert (1976), Mones (1976) and Mones (1976); it was recombined as Neochoerus aesopi by Mones (1984), Mones (1986), Mones (1991).

Sister species lacking formal opinion data
N. occidentalis, N. pickneyi, N. pinkneyi, N. sulcidens, N. tarijensis

Synonyms
  • Hydrochoerus holmesi was named by Simpson (1928). It is a 3D body fossil. Its type locality is Sabertooth Cave, which is in a Pleistocene terrestrial horizon in Florida.

    It was synonymized subjectively with Neochoerus aesopi by Mones (1984), Mones (1991).
  • Hydrochoerus robustus was named by Leidy (1886). Its type specimen is ANSP 12109, a mandible (left ramus of mandible plus furst molar), and it is a 3D body fossil. Its type locality is Jalapa, which is in a Pleistocene channel sandstone in Nicaragua.

    It was recombined as Neochoerus robustus by Kraglievich (1930) and Mones (1975); it was synonymized subjectively with Neochoerus aesopi by Mones (1991), Lucas et al. (2008).
Synonymy list
YearName and author
1853Oromys aesopi Leidy p. 241
1856Hydrochoerus aesopi Leidy p. 165 figs. not figured
1860Hydrochoerus aesopi Leidy p. 112
1869Hydrochoerus aesopi Leidy
1880Hydrochoerus aesopi Trouessart
1883Hydrochoerus aesopi Cope
1886Hydrochoerus robustus Leidy
1887Hydrochoerus aesopi Winge
1896Hydrochoerus aesopi Rogers
1902Hydrochoerus aesopi Hay p. 734
1902Hydrochoerus robustus Hay p. 734
1923Hydrochoerus aesopi Hay
1924Hydrochoerus aesopi Winge
1926Hydrochoerus aesopi Allen
1928Hydrochoerus holmesi Simpson
1930Neochoerus robustus Kraglievich
1941Hydrochoerus aesopi Winge
1975Hydrochoerus aesopi Mones
1975Neochoerus robustus Mones
1976Hydrochoerus aesopi Gillette and Colbert
1976Hydrochoerus aesopi Mones
1980Hydrochoerus holmesi Kurten and Anderson p. 274
1984Neochoerus aesopi Mones
1986Neochoerus aesopi Mones
1991Neochoerus aesopi Mones
1995Hydrochoerus holmesi Morgan and White

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Deuterostomia
phylumChordataHaeckel 1874
subphylumVertebrata
superclassGnathostomata
classOsteichthyes
subclassSarcopterygii()
subclassDipnotetrapodomorpha(Nelson 2006)
subclassTetrapodomorpha()
—Tetrapoda
—Reptiliomorpha
—Anthracosauria
subclassAmphibiosauriaKuhn 1967
—Cotylosauria()
—Amniota
subclassSynapsida
—Therapsida()
infraorderCynodontia()
—Mammaliamorpha
—Mammaliaformes
RankNameAuthor
classMammalia
—Cladotheria
—Zatheria
subclassTribosphenida()
subclassTheria
—Eutheria()
—Placentalia
—Boreoeutheria
—EuarchontogliresMurphy et al. 2001
—GliriformesWyss and Meng 1996
—Glires()
—Simplicidentata()
orderRodentiaBowdich 1821
—CtenohystricaHuchon et al. 2000
infraorderHystricognathi(Tullberg 1899)
—Caviomorpha(Wood and Patterson 1955)
superfamilyCavioideaFischer de Waldheim 1817
familyCaviidae
subfamilyHydrochoerinae(Gill 1872)
genusNeochoerus
speciesaesopi()

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.

†Neochoerus aesopi Leidy 1853
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Invalid names: Hydrochoerus holmesi Simpson 1928 [synonym], Hydrochoerus robustus Leidy 1886 [synonym]
Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: phosphaticsubp
Environment: terrestrialsubc
Locomotion: actively mobilec
Life habit: ground dwellingf
Diet: herbivoref
Reproduction: viviparoussubc
Created: 2005-06-08 10:11:09
Modified: 2005-08-26 13:33:05
Source: f = family, subc = subclass, c = class, subp = subphylum
References: Carroll 1988, Hendy et al. 2009, Ji et al. 2002, Lillegraven 1979, Nowak 1991

Age range: base of the Gelasian to the top of the Rancholabrean or 2.58000 to 0.01400 Ma

Collections (20 total)


Time interval Ma Country or state Original ID and collection number
Blancan4.7 - 1.4USA (Florida) Hydrochoerus holmesi (19752)
Gelasian2.58 - 1.8USA (Florida) Hydrochoerus holmesi (20384)
Pleistocene2.58 - 0.0117Mexico (Jalisco) Neochoerus sp. (20285)
Pleistocene2.58 - 0.0117Nicaragua Hydrochoerus robustus (86959)
Calabrian1.8 - 0.774USA (Virginia) Hydrochoerus holmesi (104698)
Irvingtonian1.4 - 0.21USA (South Carolina) Hydrochoerus holmesi (80087)
Irvingtonian1.4 - 0.21USA (Florida) Hydrochoerus holmesi (20289) Neochoerus pinckneyi (20520)
Middle Pleistocene0.774 - 0.129USA (South Carolina) Hydrochoerus holmesi (80227 80229)
Lujanian0.4 - 0.0117Uruguay Neochoerus aesopi (71325)
Rancholabrean0.21 - 0.014USA (Florida) Hydrochoerus holmesi (20491)
Rancholabrean0.21 - 0.014Mexico (Sonora) Neochoerus aesopi (20495)
Rancholabrean0.21 - 0.014USA (South Carolina) Hydrochoerus holmesi (79760)
Late/Upper Pleistocene0.129 - 0.0117USA (Florida) Hydrochoerus holmesi (20638)
Late/Upper Pleistocene0.129 - 0.0117Panama (Herrera) Neochoerus robustus (71278)
Late/Upper Pleistocene0.129 - 0.0117USA (Georgia) Hydrochoerus holmesi (80231)
Late/Upper Pleistocene (late glacial)0.129 - 0.0117USA (Georgia) Neochoerus aesopi (75066)
Late/Upper Pleistocene0.129 - 0.0117USA (South Carolina) Hydrochoerus holmesi (79923 80230)