Stenosteus

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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 Shales 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

  1. 1.0 1.1 Denison, Robert (1978). Handbook of Paleoichthyology, Volume 2, Placodermi. New York: Gustav Fischer Verlage. p. 98. ISBN 9780895740274. 
  2. Carr, Robert (February 1996). "STENOSTEUS ANGUSTOPECTUS SP. NOV. FROM THE CLEVELAND SHALE (FAMENNIAN) OF NORTHERN OHIO WITH A REVIEW OF SELENOSTEID (PLACODERMI) SYSTEMATICS". KIRTLANDIA 49: 9–43. 
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