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Pollackophis depressus

Reptilia - Colubridae

Taxonomy
Pollackophis depressus was named by Holman (1998). Its type specimen is UNSM 483397, a set of vertebrae (precloacal vertebra), and it is a 3D body fossil. Its type locality is Pollack Farm Site, which is in a Burdigalian estuary/bay sandstone in the Calvert Formation of Delaware. It is the type species of Pollackophis.

Synonymy list
YearName and author
1998Pollackophis depressus Holman

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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()
suborderOphidia(Latreille 1804)
Serpentes(Linnaeus 1758)
familyColubridae
genusPollackophis
speciesdepressus

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.

Pollackophis depressus Holman 1998
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Diagnosis
ReferenceDiagnosis
J. A. Holman 1998"(1) vertebra slightly wider than long; (2) neural spine long and thin; (3) neural arch depressed; (3) hemal keel well-developed by narrow; (4) subcentral ridges weakly developed; epizgapophyseal spines absent. (pg. 145)"
Measurements
No measurements are available
Composition: phosphaticsubp
Environment: terrestrialuc
Locomotion: actively mobilec
Life habit: ground dwellingf
Diet: carnivoref
Created: 2005-09-05 19:47:49
Modified: 2005-09-05 21:47:49
Source: f = family, c = class, subp = subphylum, uc = unranked clade
References: Behler and King 1979, Carroll 1988, Hendy et al. 2009

Age range: Burdigalian or 20.44000 to 15.97000 Ma

Collections: one only


Time interval Ma Country or state Original ID and collection number
Burdigalian20.44 - 15.97USA (Delaware) Pollackophis depressus (type locality: 18579)