PBDB Taxon

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

Strepsodus

Taxonomy

Strepsodus was named by Huxley and Etheridge (1865). It is not extant.

It was assigned to Megalichthyidae by Hay (1902); to Rhizodontidae by Woodward (1891), Andrews (1985) and Johanson (2004); and to Rhizodontida by Jeffery (2006).

Species

S. arenosus, S. brockbanki, S. dawsoni, S. sauroides (syn. S. minor, S. anculonamensis, S. striatulus)

Synonyms

Strepsodus arenosus was named by Hay (1900).

It was considered a nomen dubium by Jeffery (2006).
Strepsodus dawsoni was named by Hay (1900).

It was considered a nomen dubium by Jeffery (2006).
Strepsodus brockbanki was named by Davis (1891). It is not extant.

It was considered a nomen dubium by Jeffery (2006).

Synonymy list

Year	Name and author
1865	Strepsodus Huxley and Etheridge
1891	Strepsodus brockbanki Davis
1891	Strepsodus Woodward p. 348
1900	Strepsodus arenosus Hay
1900	Strepsodus dawsoni Hay
1902	Strepsodus Hay p. 360
1902	Strepsodus arenosus Hay p. 360
1902	Strepsodus dawsoni Hay p. 360
1985	Strepsodus Andrews
2004	Strepsodus Johanson
2006	Strepsodus Jeffery

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Rank	Name	Author
kingdom	Animalia	()
—	Bilateria
—	Eubilateria	Ax 1987
—	Deuterostomia
phylum	Chordata	Haeckel 1874
subphylum	Vertebrata

Rank	Name	Author
superclass	Gnathostomata
—	Osteichthyes	()
subclass	Sarcopterygii	()
infraclass	Rhizodontida	(Andrews and Westoll 1970)
genus	Strepsodus

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. †Strepsodus Huxley and Etheridge 1865

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†Strepsodus sauroides Binney 1841

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Invalid names: Strepsodus anculonamensis Andrews 1985 [synonym], Strepsodus minor Traquair 1890 [synonym], Strepsodus striatulus Traquair 1882 [synonym]

Invalid names: Strepsodus arenosus Hay 1900 [nomen dubium], Strepsodus brockbanki Davis 1891 [nomen dubium], Strepsodus dawsoni Hay 1900 [nomen dubium]

Diagnosis

No diagnoses are available

Measurements

No measurements are available

Composition:

phosphaticsubp

Environment:

marinesubp

Locomotion:

actively mobilec

Created:

2009-07-20 21:50:54

Modified:

2009-07-20 23:50:54

Source: c = class, subp = subphylum

References: Carroll 1988, Hendy et al. 2009

Age range: base of the Arundian to the top of the Moscovian or 346.70000 to 307.00000 Ma

Collections (17 total)

Time interval	Ma	Country or state	Original ID and collection number
Arundian	346.7 - 340.0	United Kingdom (Scotland)	S. sauroides (90682)
Arnsbergian	327.0 - 323.7	USA (West Virginia)	Strepsodus indet. (124949)
Arnsbergian	327.0 - 323.7	USA (Montana)	S. sp. (116656 227065)
Bashkirian	323.2 - 315.2	United Kingdom (England)	S. sauroides (132670)
Pennsylvanian	323.2 - 298.9	United Kingdom	S. sauroides (137307)
Westphalian A	318.7 - 316.9	United Kingdom (Flintshire)	S. sp. (233393 233396)
Moscovian	315.2 - 307.0	Ireland	S. sauroides (139985)
Moscovian	315.2 - 307.0	United Kingdom	S. sauroides (137306 137309 137311 137320 140013) S. sauroides, S. striatulus (137310 137319) S. striatulus (137304)