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Coniasaurus crassidens

Reptilia

Taxonomy
Coniasaurus crassidens was named by Owen (1850). Its type specimen is BMB 007155, a partial skeleton (left maxilla and 14 dorsal vertebrae), and it is a 3D body fossil. Its type locality is Clayton Chalk Pit (Chalk Marl), which is in a Cenomanian/Cenomanian carbonate chalk in the Beer Head Limestone Formation of the United Kingdom. It is the type species of Coniasaurus.

Synonymy list
YearName and author
1850Coniasaurus crassidens Owen p. 386
1851Coniasaurus crassidens Owen p. 21 figs. plate 9, figs 13-15
1861Coniosaurus crassidens Owen p. 311
1999Coniasaurus crassidens Caldwell and Cooper p. 430

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Deuterostomia
phylumChordataHaeckel 1874
subphylumVertebrata
superclassGnathostomata
—Osteichthyes()
subclassSarcopterygii()
subclassDipnotetrapodomorpha(Nelson 2006)
subclassTetrapodomorpha()
—Tetrapoda
RankNameAuthor
—Reptiliomorpha
—Anthracosauria
subclassAmphibiosauriaKuhn 1967
—Cotylosauria()
—Amniota
—Sauropsida
classReptilia
—Squamata()
—Pythonomorpha()
—Dolichosauridae(Gervais 1852)
genusConiasaurus
speciescrassidens

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
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 Early/Lower Cenomanian to the top of the Middle Turonian or 99.60000 to 89.30000 Ma

Collections (14 total)


Time interval Ma Country or state Original ID and collection number
Cenomanian100.5 - 93.9USA (Texas) Coniasaurus crassidens (102475)
Cenomanian100.5 - 93.9United Kingdom (England) Coniasaurus crassidens (118448 118449)
Early/Lower Cenomanian - Middle Cenomanian99.6 - 93.5United Kingdom (England) Coniasaurus crassidens (type locality: 118407)
Late/Upper Cenomanian99.6 - 93.5USA (Colorado) Coniasaurus crassidens (132505)
Late/Upper Cenomanian99.6 - 93.5United Kingdom (England) Coniasaurus crassidens (118408)
Middle Cenomanian99.6 - 93.5USA (Colorado) Coniasaurus crassidens (35429 213403)
Middle Cenomanian99.6 - 93.5Canada (Saskatchewan) Coniasaurus crassidens (22731)
Middle Cenomanian99.6 - 93.5USA (Kansas) Coniasaurus crassidens (94538)
Middle Cenomanian - Late/Upper Cenomanian99.6 - 93.5United Kingdom (England) Coniasaurus crassidens (118409)
Early/Lower Turonian93.5 - 89.3USA (Kansas) Coniasaurus crassidens (213385)
Middle Turonian93.5 - 89.3USA (Kansas) Coniasaurus crassidens (115647 213390)