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Leptochamops denticulatus

Reptilia - Chamopsiidae

Taxonomy
Chamops denticulatus was named by Gilmore (1928). Its type specimen is YPM 1062, a mandible (a nearly complete left dentary with 23 teeth), and it is a 3D body fossil. Its type locality is Peterson's Quarry, which is in a Lancian terrestrial horizon in the Lance Formation of Wyoming.

It was recombined as Leptochamops denticulatus by Estes (1964), Estes (1983), Bryant (1989), Gao and Fox (1991), Gao and Fox (1996), Longrich et al. (2012).

Synonymy list
YearName and author
1928Chamops denticulatus Gilmore p. 26
1930Chamops denticulatus Hay p. 246
1964Leptochamops denticulatus Estes p. 110
1983Leptochamops denticulatus Estes p. 91 fig. 23c
1989Leptochamops denticulatus Bryant p. 45
1991Leptochamops denticulatus Gao and Fox
1996Leptochamops denticulatus Gao and Fox p. 36
2012Leptochamops denticulatus Longrich et al.

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Deuterostomia
phylumChordataHaeckel 1874
subphylumVertebrata
superclassGnathostomata
—Osteichthyes()
subclassSarcopterygii()
subclassDipnotetrapodomorpha(Nelson 2006)
subclassTetrapodomorpha()
—Tetrapoda
—Reptiliomorpha
RankNameAuthor
—Anthracosauria
subclassAmphibiosauriaKuhn 1967
—Cotylosauria()
—Amniota
—Sauropsida
classReptilia
—Squamata()
—Scincomorpha()
—PolyglyphanodontiaAlifanov 2000
—Borioteiioidea
familyChamopsiidae()
genusLeptochamops
speciesdenticulatus()

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.

†Leptochamops denticulatus Gilmore 1928
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: phosphaticsubp
Environment: terrestrialuc
Locomotion: actively mobilec
Created: 2017-04-17 15:15:35
Modified: 2017-04-17 15:15:35
Source: c = class, subp = subphylum, uc = unranked clade
References: Hendy et al. 2009, Carroll 1988

Age range: base of the Judithian to the top of the Late/Upper Maastrichtian or 83.50000 to 66.00000 Ma

Collections (22 total)


Time interval Ma Country or state Original ID and collection number
Early/Lower Campanian83.5 - 70.6USA (Utah) Leptochamops denticulatus (14421)
Judithian83.5 - 70.6Canada (Alberta) Leptochamops denticulatus (14463)
Late/Upper Campanian83.5 - 70.6USA (New Mexico) Leptochamops denticulatus (52052)
Middle Campanian - Late/Upper Campanian83.5 - 70.6USA (Montana) Leptochamops denticulatus (14446)
Lancian70.6 - 66.0USA (South Dakota) Leptochamops denticulatus (14537)
Lancian70.6 - 66.0Canada (Saskatchewan) Leptochamops denticulatus (14558 14655)
Lancian70.6 - 66.0USA (Montana) Leptochamops denticulatus (14508 14549 14568 14574 14654)
Lancian70.6 - 66.0USA (Wyoming) Chamops denticulatus (type locality: 14606) Leptochamops denticulatus (14514 14519 14540 14566 70343)
Late/Upper Maastrichtian70.6 - 66.0USA (Montana) Leptochamops denticulatus (13142)
Late/Upper Maastrichtian70.6 - 66.0USA (Wyoming) Chamops denticulatus (118461 118466) Leptochamops denticulatus (14585)