Biology:Anchipteraspididae

Short description: Extinct family of jawless fishes

Anchipteraspididae Temporal range: Early Pridolian-Early Devonian
Scientific classification
Kingdom:	Animalia
Phylum:	Chordata
Class:	Pteraspidomorphi
Subclass:	†Heterostraci
Order:	†Pteraspidiformes
Family:	†Anchiteraspididae (Elliot 1984)
Genera
†Anchipteraspis †Rhachiaspis †Ulutitaspis
Synonyms
Anchipteraspidinae Elliott 1984

Anchipteraspididae is an extinct family of heterostracan vertebrates restricted to Late Silurian and Early Devonian strata of Arctic Canada.

Anchipteraspidids superficially resemble the ancestral cyathaspidids, but, the articulation and growth patterns of the plates clearly define them as pteraspidids.

References

• On the recent discovery of Pteraspidian fish in the upper Silurian rocks of North America. Edward Waller Claypole, Quart. Journ. Geol. Soc. 1885, volume 41, pages 48–64, doi:10.1144/GSL.JGS.1885.041.01-04.10
• Revised classification of Pteraspididae with description of new forms from Wyoming. Robert Howland Denison, Fieldiana. Geology ; v. 20, no. 1, doi:10.5962/bhl.title.3330

External links

• Commentary of Pteraspidiformes

Wikidata ☰ Q30692652 entry