PBDB Taxon

Basic info	Taxonomic history	Classification	Included Taxa
Morphology	Ecology and taphonomy	External Literature Search	Age range and collections

Pantosaurus

Reptilia - Plesiosauria - Cryptoclididae

Taxonomy

Pantosaurus was named by Marsh (1893) [Sepkoski's age data: J u].

It was assigned to Plesiosauridae by Hay (1902); to Plesiosauria by Williston (1903), Hay (1930), Sepkoski (2002), O'Keefe and Wahl (2003); to Cryptocleidoidea by Wilhelm and O'Keefe (2010); and to Cryptoclididae by Benson and Druckenmiller (2014).

Species

P. striatus (syn. Muraenosaurus reedii)

Synonyms

Parasaurus was named by Marsh (1891) [non Parasaurus von Meyer (1857)]. Its type is Parasaurus striatus.

It was replaced with Pantosaurus by Marsh (1893), Hay (1902), O'Keefe and Wahl (2003).

It was assigned to Plesiosauria by Marsh (1891).

Synonymy list

Year	Name and author
1891	Parasaurus Marsh p. 337
1893	Pantosaurus Marsh
1902	Pantosaurus Hay p. 456
1903	Pantosaurus Williston p. 12
1930	Pantosaurus Hay p. 121
2002	Pantosaurus Sepkoski
2003	Pantosaurus O'Keefe and Wahl p. 46
2010	Pantosaurus Wilhelm and O'Keefe figs. 2-8
2014	Pantosaurus Benson and Druckenmiller figs. 2-3

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Rank	Name	Author
kingdom	Animalia	()
—	Bilateria
—	Eubilateria	Ax 1987
—	Deuterostomia
phylum	Chordata	Haeckel 1874
subphylum	Vertebrata
superclass	Gnathostomata
—	Osteichthyes	()
subclass	Sarcopterygii	()
subclass	Dipnotetrapodomorpha	(Nelson 2006)
subclass	Tetrapodomorpha	()
—	Tetrapoda
—	Reptiliomorpha
—	Anthracosauria

Rank	Name	Author
subclass	Amphibiosauria	Kuhn 1967
—	Cotylosauria	()
—	Amniota
—	Sauropsida
class	Reptilia
subclass	Eureptilia	()
—	Romeriida
—	Diapsida	()
suborder	Sauropterygia
order	Plesiosauria	de Blainville 1835
superfamily	Plesiosauroidea	Welles 1943
family	Cryptoclididae	Williston 1925
genus	Pantosaurus	Marsh 1893

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. †Pantosaurus Marsh 1893

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†Pantosaurus striatus Marsh 1891

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Invalid names: Muraenosaurus reedii Mehl 1912 [synonym]

Invalid names: Parasaurus Marsh 1891 [replaced]

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 Early/Lower Oxfordian to the top of the Oxfordian or 161.20000 to 157.30000 Ma

Collections (5 total)

Time interval	Ma	Country or state	Original ID and collection number
Oxfordian	163.5 - 157.3	USA (Wyoming)	P. striatus (96679 103921 119281) P. striatus, Muraenosaurus reedii (119282)
Early/Lower Oxfordian	161.2 - 155.7	USA (Wyoming)	P. striatus (96690)