Heterosteidae

Heterosteidae is an extinct family of moderately large to giant, flattened, benthic arthrodire placoderms with distinctive, flattened, triangular skulls that are extremely broad posteriorly, but become very narrow anteriorly.[1]

Heterosteidae
Temporal range: Emsian to Givetian
Comparison of genera
Scientific classification
Kingdom:
Animalia
Phylum:
Chordata
Class:
Placodermi
Order:
Arthrodira
Suborder:
Brachythoraci
Family:
Heterosteidae

Jaekel, 1903
Genera

Genera

Herasmius
Main article: Herasmius

Heterosteus
Main article: Heterosteus

Yinostius
Main article: Yinostius
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gollark: Cool!
gollark: You can also say arcanos, again with a very broad interpretation.
gollark: Also, Arcanas is... also okay Latin, assuming we're using the accusative.
gollark: If we go by ridiculous munged Latin.

References
  1. Denison, Robert (1978). Placodermi Volume 2 of Handbook of Paleoichthyology. Stuttgart New York: Gustav Fischer Verlag. p. 65. ISBN 978-0-89574-027-4.
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