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Meniscognathus altmani

Reptilia - Chamopsiidae

Taxonomy
Meniscognathus altmani was named by Estes (1964). Its type specimen is UCMP 46610, a mandible (complete left dentary with 13 teeth and the broken bases of 15 others), and it is a 3D body fossil. Its type locality is Lull 2 Quarry (UCMP V-5620), which is in a Maastrichtian terrestrial sandstone in the Lance Formation of Wyoming. It is the type species of Meniscognathus.

Synonymy list
YearName and author
1964Meniscognathus altmani Estes pp. 113-115 fig. 53
1983Meniscognathus altmani Estes p. 91 fig. 21b
1991Meniscognathus altmani Gao and Fox
1996Meniscognathus altmani Gao and Fox p. 40
2012Meniscognathus altmani Longrich et al.

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Deuterostomia
phylumChordataHaeckel 1874
subphylumVertebrata
superclassGnathostomata
—Eugnathostomata
—Teleostomi(Bonaparte 1836)
subclassSarcopterygii()
subclassDipnotetrapodomorpha(Nelson 2006)
subclassTetrapodomorpha()
—Tetrapoda
—Reptiliomorpha
RankNameAuthor
—Anthracosauria
subclassAmphibiosauriaKuhn 1967
—Cotylosauria()
—Amniota
—Sauropsida
classReptilia
—Squamata()
—Scincomorpha()
—PolyglyphanodontiaAlifanov 2000
—Borioteiioidea
familyChamopsiidae()
genusMeniscognathus
speciesaltmani

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.

†Meniscognathus altmani Estes 1964
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: phosphaticsubp
Environment: terrestrialuc
Locomotion: actively mobilep
Created: 2017-04-17 15:15:35
Modified: 2017-04-17 15:15:35
Source: subp = subphylum, p = phylum, uc = unranked clade
References: Kiessling 2004, Carroll 1988

Age range: base of the Early/Lower Campanian to the top of the Late/Upper Maastrichtian or 83.60000 to 66.00000 Ma

Collections (11 total)


Time interval Ma Country or state Original ID and collection number
Early/Lower Campanian83.6 - 72.2USA (Utah) Meniscognathus altmani (14421)
Lancian72.2 - 66.0Canada (Saskatchewan) Meniscognathus altmani (14558 14655)
Lancian72.2 - 66.0USA (South Dakota) Meniscognathus altmani (14537)
Lancian72.2 - 66.0USA (Wyoming) Meniscognathus altmani (14505 14519 14524 14538 14566)
Late/Upper Maastrichtian72.2 - 66.0USA (Montana) Meniscognathus altmani (13142)
Late/Upper Maastrichtian72.2 - 66.0USA (Wyoming) Meniscognathus altmani (type locality: 14585)