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Trigonostylops wortmani

Mammalia - Astrapotheria - Trigonostylopidae

Taxonomy
Trigonostylops wortmani was named by Ameghino (1897). 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 Trigonostylops.

Synonyms
Synonymy list
YearName and author
1897Trigonostylops wortmani Ameghino p. 492
1901Trigonostylops integer Ameghino p. 395
1901Trigonostylops secundarius Ameghino p. 395
1901Trigonostylops insumptus Ameghino p. 396
1901Trigonostylops minimus Ameghino p. 396
1901Trigonostylops subtrigonus Ameghino p. 396
1901Trigonostylops trigonus Ameghino p. 396
1901Trigonostylops eximius Ameghino p. 397
1901Trigonostylops scabellum Ameghino p. 397
1901Trigonostylops hemicyclus Ameghino p. 398
1904Trigonostylops columnifer Ameghino p. 77
1904Trigonostylops coryphodontoides Ameghino p. 78
1904Trigonostylops germinalis Ameghino p. 78
1967Trigonostylops wortmani Simpson

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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
—Cladotheria
—Zatheria
subclassTribosphenida()
subclassTheria
—Eutheria()
—Placentalia
—AfrotheriaStanhope et al. 1998
—Paenungulatomorpha
superorderPaenungulata
—Sudamericungulata
orderAstrapotheria
familyTrigonostylopidae
genusTrigonostylops
specieswortmani

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.

†Trigonostylops wortmani Ameghino 1897
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Invalid names: Trigonostylops columnifer Ameghino 1904 [synonym], Trigonostylops coryphodontoides Ameghino 1904 [synonym], Trigonostylops eximius Ameghino 1901 [synonym], Trigonostylops germinalis Ameghino 1904 [synonym], Trigonostylops hemicyclus Ameghino 1901 [synonym], Trigonostylops insumptus Ameghino 1901 [synonym], Trigonostylops integer Ameghino 1901 [synonym], Trigonostylops minimus Ameghino 1901 [synonym], Trigonostylops scabellum Ameghino 1901 [synonym], Trigonostylops secundarius Ameghino 1901 [synonym], Trigonostylops subtrigonus Ameghino 1901 [synonym], Trigonostylops trigonus Ameghino 1901 [synonym]
Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: phosphaticsubp
Environment: terrestrialsubc
Locomotion: actively mobilec
Life habit: scansorialsubc
Diet: herbivoreo
Reproduction: viviparoussubc
Created: 2009-01-05 17:11:22
Modified: 2009-01-05 19:11:22
Source: o = order, subc = subclass, c = class, subp = subphylum
References: Hendy et al. 2009, MacFadden et al. 1996, Ji et al. 2002, Carroll 1988, Lillegraven 1979

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

Collections (16 total)


Time interval Ma Country or state Original ID and collection number
Casamayoran56.0 - 48.0Argentina (Chubut) Trigonostylops subtrigonus (176283) Trigonostylops wortmani (176491)
Lutetian47.8 - 41.3Argentina (Chubut) Trigonostylops wortmani (44956 176170 176173 176174)
Lutetian - Bartonian47.8 - 38.0Argentina (Chubut) Trigonostylops wortmani, Trigonostylops scabellum (176164)
Middle Eocene47.8 - 37.71Argentina (Chubut) Trigonostylops wortmani (225618)
Bartonian41.3 - 38.0Argentina (Chubut) Trigonostylops wortmani (176169 176177 176181 176182 176190) Trigonostylops wortmani, Trigonostylops integer (176163) Trigonostylops wortmani, Trigonostylops secundarius, Trigonostylops minimus, Trigonostylops trigonus, Trigonostylops insumptus, Trigonostylops eximius, Trigonostylops scabellum, Trigonostylops hemicyclus, Trigonostylops columnifer, Trigonostylops coryphodontoides, Trigonostylops germinalis (type locality: 13779)
Bartonian41.3 - 38.0Argentina (Santa Cruz) Trigonostylops wortmani (176494)