Stenosteus

Stenosteus; Temporal range: Late Famennian[1]
	S. angustopectus
Scientific classification
Kingdom:	Animalia
Phylum:	Chordata
Subphylum:	Vertebrata
Class:	Placodermi
Order:	Arthrodira
Suborder:	Brachythoraci
Infraorder:	Coccosteina
Superfamily:	Dinichthyloidea
Family:	Selenosteidae
Genus:	Stenosteus
Type species
	Stenosteus glaber; Dean 1901
Species
	S. glaber Dean 1901; S. pertenius Branson 1911; S. angustopectus Carr 1996;

Stenosteus is a genus of medium-sized selenosteid arthrodire placoderms known from the Upper Famennian Cleveland Shale of Ohio. Estimated skull lengths range from 6 to 9 centimeters[1]

Most fossils of Stenosteus have been scraps of armor and portions of tooth-plates suggestive of Selenosteus. In 1996, enough material of a new species, S. angustopectus, was recovered to allow a reconstruction of armor that resembles that of Selenosteus.[2]

References

Denison, Robert (1978). Handbook of Paleoichthyology, Volume 2, Placodermi. New York: Gustav Fischer Verlage. p. 98. ISBN 9780895740274.
Carr, Robert (February 1996). "STENOSTEUS ANGUSTOPECTUS SP. NOV. FROM THE CLEVELAND SHALE (FAMENNIAN) OF NORTHERN OHIO WITH A REVIEW OF SELENOSTEID (PLACODERMI) SYSTEMATICS" (PDF). Kirtlandia. 49: 9–43.

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[Denison-1] Denison, Robert (1978). Handbook of Paleoichthyology, Volume 2, Placodermi. New York: Gustav Fischer Verlage. p. 98. ISBN 9780895740274.

[Carr-2] Carr, Robert (February 1996). "STENOSTEUS ANGUSTOPECTUS SP. NOV. FROM THE CLEVELAND SHALE (FAMENNIAN) OF NORTHERN OHIO WITH A REVIEW OF SELENOSTEID (PLACODERMI) SYSTEMATICS" (PDF). Kirtlandia. 49: 9–43.