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Machaerosaurus

Reptilia - Anguidae

Taxonomy
Machaerosaurus was named by Gilmore (1928). It is not extant. Its type is Machaerosaurus torrejonensis.

It was assigned to Sauria by Gilmore (1928) and Hay (1930); to Anguinae by Estes (1983) and Sullivan (1987); and to Anguidae by Carroll (1988) and Sullivan (1991).

Species
M. torrejonensis (type species)

Synonymy list
YearName and author
1928Machaerosaurus Gilmore p. 155 figs. 97; Pl. 4:5
1930Machaerosaurus Hay p. 256
1983Machaerosaurus Estes
1987Machaerosaurus Sullivan p. 131
1988Machaerosaurus Carroll
1991Machaerosaurus Sullivan p. 296

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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()
—Anguimorpha(Fürbringer 1900)
—Anguiformes(Bonaparte 1831)
superfamilyAnguioideaFitzinger 1826
familyAnguidaeGray 1825
genusMachaerosaurus

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.

G. †Machaerosaurus Gilmore 1928
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: phosphaticsubp
Environment: terrestrialuc
Locomotion: actively mobilec
Diet: insectivoref
Diet 2: carnivoref
Created: 2005-09-05 19:41:37
Modified: 2005-09-23 16:25:38
Source: f = family, c = class, subp = subphylum, uc = unranked clade
References: Hendy et al. 2009, Carroll 1988, Behler and King 1979

Age range: base of the Late/Upper Campanian to the top of the Bridgerian or 83.50000 to 46.20000 Ma

Collections (13 total)


Time interval Ma Country or state Original ID and collection number
Late/Upper Campanian83.5 - 70.6USA (New Jersey) M. sp. (14455)
Puercan66.0 - 63.3USA (Wyoming) M. sp. (14805)
Torrejonian63.8 - 60.9USA (Montana) M. torrejonensis (14906)
Torrejonian63.8 - 60.9USA (New Mexico) M. torrejonensis (14865 34495 180191)
Torrejonian63.8 - 60.9USA (Wyoming) M. torrejonensis (14886)
Late/Upper Paleocene58.7 - 55.8USA (Wyoming) M. sp. (15024)
Clarkforkian56.2 - 54.9USA (Wyoming) M. sp. (15082) M. torrejonensis (15085 15089)
Lostcabinian55.8 - 50.3USA (Wyoming) M. sp. (15917)
Bridgerian50.3 - 46.2USA (Wyoming) M. torrejonensis (15837)