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Plesiosaurus dolichodeirus

Reptilia - Plesiosauria

Taxonomy
Plesiosaurus dolichodeirus was named by Conybeare (1824). Its type specimen is BMNH 22656, a skeleton (almost complete skeleton), and it is a 3D body fossil. Its type locality is Lyme Regis, Echinoceras raricostatum, which is in a Sinemurian marine horizon in the Charmouth Mudstone Formation of the United Kingdom. It is the type species of Plesiosaurus.

Sister species lacking formal opinion data
P. morinicus

Synonyms
Synonymy list
YearName and author
1824Plesiosaurus dolichodeirus Conybeare
1831Plesiosaurus homei Gray p. 66
1833Plesiosaurus dolichodeirus Mantell p. 282
1836Plesiosaurus dolichodeirus Mantell p. 20
1840Plesiosaurus dolichodeirus Owen pp. 60-62
1840Plesiosaurus macromus Owen pp. 72-75
1849Plesiosaurus dolichodeirus d'Orbigny p. 210
1851Plesiosaurus dolichodeirus Mantell p. 143
1858Plesiosaurus dolichodeirus Buckland p. 199
1860Plesiosaurus homei Gray
1865Plesiosaurus dolichodeirus Owen pp. 1-11 figs. pls 1-4
1865Plesiosaurus dolichodeirus Seeley p. 50
1869Plesiosaurus dolichodeirus Seeley p. 143
1902Plesiosaurus dolichodeirus Hay p. 456
1930Plesiosaurus dolichodeirus Hay p. 115
1934Plesiosaurus dolichodeirus Swinton p. 61
1960Plesiosaurus dolichodeirus Delair pp. 53-54
1960Plesiosaurus macromus Delair pp. 55-56
1963Plesiosaurus dolichodeirus Persson p. 8
1997Plesiosaurus dolichodeirus Storrs pp. 149-150
2000Plesiosaurus dolichodeirus Hopley p. 131 figs. 3-8
2001Plesiosaurus dolichodeirus O'Keefe p. 11
2002Plesiosaurus dolichodeirus Gasparini et al.

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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
subclassEureptilia()
—Romeriida
—Diapsida()
suborderSauropterygia
orderPlesiosauriade Blainville 1835
superfamilyPlesiosauroideaWelles 1943
genusPlesiosaurus
speciesdolichodeirus

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.

†Plesiosaurus dolichodeirus Conybeare 1824
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Invalid names: Plesiosaurus homei Gray 1831 [synonym], Plesiosaurus macromus Owen 1840 [synonym]
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 Late/Upper Sinemurian to the top of the Sinemurian or 196.50000 to 190.80000 Ma

Collections (4 total)


Time interval Ma Country or state Original ID and collection number
Early/Lower Hettangian - Early/Lower Pliensbachian201.3 - 183.0United Kingdom (England) Plesiosaurus dolichodeirus, Plesiosaurus macromus (118938)
Sinemurian199.3 - 190.8United Kingdom (England) Plesiosaurus dolichodeirus (119286 138246)
Late/Upper Sinemurian196.5 - 189.6United Kingdom (England) Plesiosaurus dolichodeirus (type locality: 118478)