Article · Wikipedia archive · Last revised Jun 15, 2026

Asterosteus

Asterosteus is a genus of rhenanid placoderm from the Eifelian. The type species, A. stenocephalus, is known from an incomplete skull from Middle Devonian strata in Ohio. What may be a second species is described from fragments decorated with star-shaped tubercules from the Eifelian-aged Gebze beds of Turkey.

Last revised
Jun 15, 2026
Read time
≈ 1 min
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Citations
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Source
Wikipedia ↗
Asterosteus
Temporal range: Eifelian
Artist's reconstruction of A. stenocephalus
Scientific classification
Kingdom:
Animalia
Phylum:
Chordata
Class:
†Placodermi
Order:
Rhenanida
Family:
Asterosteidae
Genus:
Asterosteus
Type species
Asterosteus stenocephalus
Newberry 1875
Species
  • A. stenocephalus
  • A. sp.

Asterosteus is a genus of rhenanid placoderm from the Eifelian. The type species, A. stenocephalus, is known from an incomplete skull from Middle Devonian strata in Ohio. What may be a second species ("Asterosteus sp Schmidtt 1963") is described from fragments decorated with star-shaped tubercules from the Eifelian-aged Gebze beds of Turkey.1

Asterosteus stenocephalus head shield cast. source ↗
References

References

  1. Denison, Robert (1978). Handbook of Paleoichthyology, Volume 2, Placodermi. New York: Gustav Fischer Verlage. p. 25. ISBN 9780895740274.