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Eurycleidus

Reptilia - Plesiosauria - Rhomaleosauridae

Taxonomy
Eurycleidus was named by Andrews (1922) [Sepkoski's age data: J Hett Sepkoski's reference number: 1066].

It was assigned to Leptocleididae by White (1940); to Plesiosauridae by Delair (1960); to Pliosauridae by Carroll (1988) and Cruickshank (1994); to Pliosauroidea by O'Keefe (2001); to Plesiosauria by Andrews (1922) and Sepkoski (2002); and to Rhomaleosauridae by Ketchum and Benson (2011) and Benson et al. (2012).

Species
E. arcuatus

Synonymy list
YearName and author
1922Eurycleidus Andrews p. 294 figs. Pl. XV, figs. 1-3
1940Eurycleidus White p. 465
1960Eurycleidus Delair pp. 53, 58-59
1988Eurycleidus Carroll
1994Eurycleidus Cruickshank p. 153
2001Eurycleidus O'Keefe p. 19 fig. 20
2002Eurycleidus Sepkoski
2011Eurycleidus Ketchum and Benson p. 126
2012Eurycleidus Benson et al. fig. 4

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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
subclassEureptilia()
—Romeriida
—Diapsida()
suborderSauropterygia
orderPlesiosauriade Blainville 1835
familyRhomaleosauridaeNopcsa 1928
genusEurycleidus

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. †Eurycleidus Andrews 1922
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†Eurycleidus arcuatus Owen 1840
Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: hydroxyapatiteo
Environment: marineo
Locomotion: actively mobileo
Life habit: aquatico
Depth habitat: surfaceo
Diet: carnivoreo
Reproduction: viviparouso
Created: 2009-07-20 06:05:48
Modified: 2011-08-12 01:58:15
Source: o = order
Reference: Kiessling 2004

Age range: base of the Sinemurian to the top of the Early/Lower Hettangian or 199.30000 to 196.50000 Ma

Collections (4 total)


Time interval Ma Country or state Original ID and collection number
Early/Lower Hettangian201.3 - 196.5United Kingdom (England) Plesiosaurus arcuatus (119083)
Early/Lower Hettangian - Early/Lower Pliensbachian201.3 - 183.0United Kingdom (England) Plesiosaurus arcuatus (118938)
Hettangian - Early/Lower Pliensbachian201.3 - 183.0United Kingdom (England) Plesiosaurus arcuatus (119084)
Sinemurian199.3 - 190.8United Kingdom (England) Thaumatosaurus arcuatus (122153)