Category
page 1Devonian genus extinctions

Palaeospondylus
Palaeospondylus ("early vertebra") is an extinct genus of fish described from fossils found in both the Achanarras slate quarry of Caithness, Scotland, and the Cravens Peak Beds of Queensland, Australia.
Strophomena
thumb|240px|right|Strophomena costellata from Bromide Formation, Oklahoma, USA