PBDB Taxon

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

Deuterosaurus

Osteichthyes

Taxonomy

Deuterosaurus was named by Eichwald (1848). It is not extant.

It was assigned to Dinosauria by Huxley (1870); to Clepsydropidae by Perrier (1928); to Anteosaurinae by King (1988); to Anteosauridae by Battail and Surkov (2000), Tverdokhlebov et al. (2005); to Deuterosauridae by Nopsca (1928), Carroll (1988), Ivakhnenko (2003), Ivakhnenko (2008); and to Tapinocephalia by Kammerer (2011).

Species

D. biarmicus, D. jubilaei (syn. Uraniscosaurus watsoni), Ulemosaurus minutus

Synonyms

Mnemejosaurus was named by Nopcsa (1928).

It was synonymized subjectively with Deuterosaurus by Battail and Surkov (2000), Ivakhnenko (2003).
Uraniscosaurus was named by Nopcsa (1928).

It was synonymized objectively with Mnemejosaurus by Ivakhnenko (2003).

It was assigned to Deuterosauridae by Nopsca (1928).
Ulemosaurus minutus was named by Vjuschkov (1955). Its type specimen is PIN 272/4, a tooth (Precanine), and it is a 3D body fossil. Its type locality is Malaya Kinel' locality, PIN 272, which is in an Urzhumian/Severodvinian terrestrial sandstone/claystone in the Amanakskaya Formation of the Russian Federation.

It was considered a nomen dubium by Ivakhnenko (2003).

Synonymy list

Year	Name and author
1848	Deuterosaurus Eichwald
1870	Deuterosaurus Huxley p. 49
1928	Mnemejosaurus Nopcsa
1928	Uraniscosaurus Nopcsa
1928	Deuterosaurus Nopsca p. 19
1928	Uraniscosaurus Nopsca p. 19
1928	Deuterosaurus Perrier p. 3085
1955	Ulemosaurus minutus Vjuschkov
1988	Deuterosaurus Carroll
1988	Deuterosaurus King
2000	Deuterosaurus Battail and Surkov
2003	Deuterosaurus Ivakhnenko
2005	Deuterosaurus Tverdokhlebov et al.
2008	Deuterosaurus Ivakhnenko pp. 109, 110
2011	Deuterosaurus Kammerer

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

Rank	Name	Author
—	Reptiliomorpha
—	Anthracosauria
subclass	Amphibiosauria	Kuhn 1967
—	Cotylosauria	()
—	Amniota
subclass	Synapsida
—	Therapsida	()
—	Eutherapsida
suborder	Dinocephalia
infraorder	Tapinocephalia
genus	Deuterosaurus	Eichwald 1848

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. †Deuterosaurus Eichwald 1848

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†Deuterosaurus biarmicus Eichwald 1846

†Deuterosaurus jubilaei Nopcsa 1928

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Invalid names: Uraniscosaurus watsoni Nopcsa 1928 [objective synonym]

Invalid names: Mnemejosaurus Nopcsa 1928 [synonym], Ulemosaurus minutus Vjuschkov 1955 [nomen dubium]

Diagnosis

No diagnoses are available

Measurements

No measurements are available

Composition:

phosphaticsubp

Environment:

terrestrialuc

Locomotion:

actively mobilec

Life habit:

planktonicp

Diet:

suspension feederp

Created:

2017-04-17 15:15:35

Modified:

2017-04-17 20:15:35

Source: c = class, subp = subphylum, p = phylum, uc = unranked clade

References: Hendy et al. 2009, Bambach et al. 2007, Kiessling 2004, Carroll 1988

Age range: Urzhumian or 266.90000 to 264.28000 Ma

Collections (6 total)

Time interval	Ma	Country or state	Original ID and collection number
Urzhumian	266.9 - 264.28	Russian Federation (Orenburg)	Mnemejosaurus jubilaei (87039)
Urzhumian - Early/Lower Severodvinian	266.9 - 259.51	Russian Federation (Orenburg)	D. jubilaei (187749) D. sp. (124278 187750) Ulemosaurus minutus (36273)
Urzhumian - Early/Lower Severodvinian	266.9 - 259.51	Russian Federation (Bashkortostan)	D. biarmicus (85962)