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Cimoliasaurus

Reptilia - Plesiosauria - Elasmosauridae

Taxonomy
Cimoliasaurus was named by Leidy (1851) [Sepkoski's age data: K Apti K Maes-u Sepkoski's reference number: 2]. Its type is Cimoliosaurus magnus.

It was corrected as Cimoliosaurus by Seeley (1892), White (1940) and Delair (1960); it was considered a nomen dubium by Welles (1943).

It was assigned to Streptosauria by Cope (1869); to Plesiosauridae by Lydekker (1889); to Brachaucheniidae by Hay (1930); to Cimoliosauridae by Delair (1960); to Cimoliasauridae by Persson (1963); to Plesiosauria by Williston (1903), Williston (1906) and Sepkoski (2002); and to Elasmosauridae by Cope (1871), Cope (1875), Seeley (1892), Hay (1902), Wegner (1914), White (1940) and O'Keefe and Street (2009).

Synonyms
Synonymy list
YearName and author
1851Cimoliasaurus Leidy pp. 325-326
1855Brimosaurus grandis Leidy p. 72 figs. pl. 2, fig. 1-3
1869Brimosaurus grandis Cope p. 43
1869Cimoliasaurus Cope p. 265
1869Cimoliasaurus grandis Cope p. 266
1871Cimoliasaurus Cope p. 235
1875Cimoliasaurus Cope p. 15
1889Muraenosaurus brevior Lydekker
1889Cimoliosaurus Lydekker pp. 182-183
1889Cimoliosaurus brevior Lydekker p. 243 fig. 75
1889Muraenosaurus brevior Lydekker p. 243 fig. 75
1892Cimoliosaurus Seeley p. 151
1902Cimoliasaurus Hay p. 458
1902Cimoliasaurus grandis Hay p. 459
1903Cimoliasaurus Williston p. 7
1903Brimosaurus grandis Williston p. 8
1904Cimoliasaurus maccoyi Etheridge p. 312 figs. Pls. 42-44
1905Iserosaurus Fritsch p. 20 fig. 18
1905Hunosaurus Fritsch p. 25
1906Cimoliasaurus Williston p. 222
1914Cimoliasaurus Wegner p. 291
1930Brimosaurus grandis Hay p. 119
1930Cimoliasaurus Hay p. 119
1940Cimoliosaurus White p. 466
1960Cimoliosaurus Delair p. 67
1960Cimoliosaurus brevior Delair p. 67
1963Cimoliasaurus Persson p. 18
1991Cimoliasaurus maccoyi Fordyce p. 1173
2002Cimoliasaurus Sepkoski
2002Hunosaurus Sepkoski
2002Iserosaurus Sepkoski
2009Cimoliasaurus O'Keefe and Street p. 49

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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
familyElasmosauridaeCope 1869
genusCimoliasaurusLeidy 1851

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. †Cimoliasaurus Leidy 1851
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Cimoliasaurus magnus Leidy 1851
Cimoliosaurus magnus Leidy 1851
Cimoliosaurus snowii Williston 1890
Invalid names: Brimosaurus grandis Leidy 1855 [nomen dubium], Cimoliasaurus brevior Lydekker 1889 [nomen dubium], Cimoliasaurus maccoyi Etheridge 1904 [nomen dubium], Hunosaurus Fritsch 1905 [synonym], Iserosaurus Fritsch 1905 [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 Kimmeridgian to the top of the Early/Lower Maastrichtian or 157.30000 to 66.00000 Ma

Collections (18 total)


Time interval Ma Country or state Original ID and collection number
Kimmeridgian - Early/Lower Tithonian157.3 - 145.0United Kingdom (England) Muraenosaurus brevior (92096)
Aptian125.0 - 113.0Australia (New South Wales) C. maccoyi (60762)
Cenomanian - Turonian100.5 - 89.8United Kingdom (England) C. smithi (92426) Plesiosaurus sp. (92427)
Turonian - Coniacian93.9 - 86.3USA (Texas) C. sp. (107425)
Early/Lower Turonian93.5 - 89.3Czech Republic Iserosaurus sp. (181005)
Early/Lower Campanian - Middle Campanian83.5 - 70.6USA (Arkansas) Brimosaurus grandis (189417)
Late/Upper Campanian83.5 - 70.6USA (Montana) C. sp. (107428)
Late/Upper Campanian - Early/Lower Maastrichtian83.5 - 66.0USA (New Jersey) C. magnus (221052)
Maastrichtian72.1 - 66.0USA (Maryland) C. magnus (27563 83331)
Maastrichtian72.1 - 66.0USA (New Jersey) C. magnus (57915 102186) C. sp. (167535)
Maastrichtian72.1 - 66.0Canada (Northwest Territories) C. sp. (106329)
Early/Lower Maastrichtian70.6 - 66.0USA (Maryland) C. sp. (125950)
Late/Upper Maastrichtian70.6 - 66.0Chile (Concepcíon) C. sp. (13309)
Late/Upper Maastrichtian70.6 - 66.0USA (New Jersey) C. magnus (167650)