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Brachychirotherium eyermani

Reptilia - Chirotheriidae

Taxonomy
Chirotherium eyermani was named by Baird (1957). Its type specimen is MCZ 134. Its type locality is Smith Clark's quarry, Milford (level B), which is in a Norian terrestrial shale/sandstone in the Passaic Formation of New Jersey.

It was recombined as Brachychirotherium eyermani by Haubold (1971) and Olsen and Baird (1986); it was synonymized subjectively with Brachychirotherium parvum by Hunt and Lucas (2007).

Synonymy list
YearName and author
1957Chirotherium eyermani Baird p. 479 fig. 6B
1958Chirotherium eyermani Kuhn p. 22
1963Chirotherium eyermani Kuhn p. 70
1969Chirotherium eyermani Haubold p. 93 fig. 3
1970Chirotherium eyermani Demathieu p. 160
1971Brachychirotherium eyermani Haubold p. 56
1980Chirotherium eyermani Olsen p. 29
1986Brachychirotherium eyermani Olsen and Baird p. 21

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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()
RankNameAuthor
—Amniota
—Sauropsida
classReptilia
subclassEureptilia()
—Romeriida
—Diapsida()
—Archosauromorpha(Huene 1946)
—Crocopoda
—ArchosauriformesGauthier 1986
—Eucrocopoda
—Archosauria()
—Pseudosuchia(Zittel 1890)
familyChirotheriidaeAbel 1935
genusBrachychirotherium
specieseyermani()

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: terrestrialsubc
Locomotion: actively mobilec
Diet: carnivoresubo
Created: 2009-01-03 20:38:45
Modified: 2009-01-03 22:38:45
Source: subo = suborder, subc = subclass, c = class, subp = subphylum
References: Hendy et al. 2009, Carroll 1988, Benton 1983

Age range: Norian or 228.00000 to 208.50000 Ma

Collections (6 total)


Time interval Ma Country or state Original ID and collection number
Norian228.0 - 208.5USA (New Mexico) Brachychirotherium eyermani (52168)
Norian228.0 - 208.5USA (Pennsylvania) Brachychirotherium eyermani (55414 55415)
Norian228.0 - 208.5USA (New Jersey) Brachychirotherium eyermani (55412) Chirotherium eyermani (type locality: 46622)
Norian228.0 - 208.5USA (New York) Brachychirotherium eyermani (57917)