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Paragerrhonotus ricardensis

Reptilia - Anguidae

Taxonomy
Paragerrhonotus ricardensis was named by Estes (1963). Its type specimen is UCMP 27161, a partial skull (anteior part of skull), and it is a 3D body fossil. Its type locality is Last Chance Gulch (UCMP A259), which is in a Clarendonian terrestrial ash in the Ricardo Formation of California. It is the type species of Paragerrhonotus.

Synonymy list
YearName and author
1963Paragerrhonotus ricardensis Estes
1976Paragerrhonotus ricardensis Yatkola p. 651

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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
Sauropsida
classReptilia
Squamata()
Anguimorpha(Fürbringer 1900)
Anguiformes(Bonaparte 1831)
superfamilyAnguioideaFitzinger 1826
familyAnguidaeGray 1825
subfamilyGerrhonotinae(Cope 1864)
genusParagerrhonotus
speciesricardensis

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: 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: Carroll 1988, Hendy et al. 2009, Behler and King 1979

Age range: base of the Early/Lower Hemingfordian to the top of the Clarendonian or 20.43000 to 9.40000 Ma

Collections (2 total)


Time interval Ma Country or state Original ID and collection number
Early/Lower Hemingfordian20.43 - 15.97USA (Nebraska) Paragerrhonotus ricardensis (17963)
Clarendonian12.5 - 9.4USA (California) Paragerrhonotus ricardensis (type locality: 192125)