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Eudolops tetragonus

Mammalia - Polydolopidae

Taxonomy
Eudolops tetragonus was named by Ameghino (1897). Its type specimen is MACN 10358, a tooth (isolated right M1 missing posterolabial corner), and it is a 3D body fossil. Its type locality is Barranca south of Lago Colhue-Huapi, Gran Barranca, which is in a Bartonian terrestrial claystone in the Sarmiento Formation of Argentina. It is the type species of Eudolops.

Synonyms
Synonymy list
YearName and author
1897Eudolops tetragonus Ameghino p. 498
1902Promysops acuminatus Ameghino p. 36
1903Propolymastodon cardatus Ameghino
1903Propolymastodon caroliameghinoi Ameghino
1948Eudolops acuminatus Simpson
1948Eudolops caroliameghinoi Simpson
1948Eudolops tetragonus Simpson
1982Eudolops tetragonus Marshall

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Deuterostomia
phylumChordataHaeckel 1874
subphylumVertebrata
superclassGnathostomata
—Osteichthyes()
subclassSarcopterygii()
subclassDipnotetrapodomorpha(Nelson 2006)
subclassTetrapodomorpha()
—Tetrapoda
—Reptiliomorpha
—Anthracosauria
subclassAmphibiosauriaKuhn 1967
—Cotylosauria()
—Amniota
subclassSynapsida
—Therapsida()
RankNameAuthor
infraorderCynodontia()
—Mammaliamorpha
—Mammaliaformes
classMammalia
—Theriamorpha(Rowe 1993)
—Theriiformes()
—Trechnotheria
—Cladotheria
—Zatheria
subclassTribosphenida()
subclassTheria
subclassMetatheria()
—Marsupialiformes
suborderPolydolopimorphiaArcher 1984
familyPolydolopidae
subfamilyPolydolopinaeAmeghino 1897
genusEudolops
speciestetragonus

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.

†Eudolops tetragonus Ameghino 1897
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Invalid names: Promysops acuminatus Ameghino 1902 [synonym], Propolymastodon cardatus Ameghino 1903 [synonym], Propolymastodon caroliameghinoi Ameghino 1903 [synonym]
Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: phosphaticsubp
Environment: terrestrialc
Locomotion: actively mobilec
Life habit: scansorialsubc
Diet: omnivoresubc
Reproduction: viviparoussubc
Created: 2011-04-28 11:05:11
Modified: 2011-04-27 20:05:35
Source: subc = subclass, c = class, subp = subphylum
References: Carroll 1988, Hopson 1973, Hendy et al. 2009, Lillegraven 1979, Clemens 1979

Age range: base of the Casamayoran to the top of the Bartonian or 56.00000 to 38.00000 Ma

Collections (6 total)


Time interval Ma Country or state Original ID and collection number
Casamayoran56.0 - 48.0Argentina (Chubut) Eudolops tetragonus (141758 175743 176491)
Bartonian41.3 - 38.0Argentina (Chubut) Eudolops tetragonus (175744 176167) Promysops acuminatus, Eudolops tetragonus, Propolymastodon caroliameghinoi, Propolymastodon cardatus (type locality: 13779)