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Archaeotrigon brevimaxillus

Mammalia - Paurodontidae

Taxonomy
Archaeotrigon brevimaxillus was named by Simpson (1927). Its type specimen is USNM 2793, a mandible (right mandible with C, P1-2 and M1-2), and it is a 3D body fossil. Its type locality is Quarry 9, Como Bluff (YPM), which is in a Kimmeridgian/Tithonian fluvial-lacustrine mudstone/sandstone in the Morrison Formation of Wyoming. It is the type species of Archaeotrigon.

Synonymy list
YearName and author
1927Archaeotrigon brevimaxillus Simpson p. 410
1929Archaeotrigon brevimaxillus Simpson p. 51
1930Archaeotrigon brevimaxillus Hay p. 372
1979Archaeotrigon brevimaxillus Kraus p. 164
2004Archaeotrigon brevimaxillus Kielan-Jaworowska et al. pp. 380, 388

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Deuterostomia
phylumChordataHaeckel 1874
subphylumVertebrata
superclassGnathostomata
—Osteichthyes()
subclassSarcopterygii()
subclassDipnotetrapodomorpha(Nelson 2006)
subclassTetrapodomorpha()
—Tetrapoda
—Reptiliomorpha
—Anthracosauria
RankNameAuthor
subclassAmphibiosauriaKuhn 1967
—Cotylosauria()
—Amniota
subclassSynapsida
—Therapsida()
infraorderCynodontia()
—Mammaliamorpha
—Mammaliaformes
classMammalia
—Cladotheria
—Dryolestoidea(Butler 1939)
familyPaurodontidae
genusArchaeotrigonSimpson 1927
speciesbrevimaxillus

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.

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Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: phosphaticsubp
Environment: terrestrialc
Locomotion: actively mobilec
Life habit: scansorialuc
Diet: insectivoreuc
Created: 2005-09-06 19:53:51
Modified: 2005-09-07 19:44:02
Source: c = class, subp = subphylum, uc = unranked clade
References: Hendy et al. 2009, Luo et al. 2003, Carroll 1988, Hopson 1973

Age range: base of the Kimmeridgian to the top of the Tithonian or 154.80000 to 143.10000 Ma

Collections: one only


Time interval Ma Country or state Original ID and collection number
Kimmeridgian - Tithonian154.8 - 143.1USA (Wyoming) Archaeotrigon brevimaxillus (type locality: 12816)