- West Virginia. Kirtlandia, v. 18, pp 1-12 [86] McIntosh, G. C., 1981
Apurocrinus sucrei, a new
genus and
species of
camerate crinoid from the
Lower Devonian...
- †Apodasmocrinus †Apographiocrinus †Apoxypetalum †Applinocrinus †Aptilechinus †
Apurocrinus †Apycnodiscus †Arachniopleurus †Arachnocrinus †Arachnocystites †Arachnoides...
