Alphacrinus
Extinct genus of crinoids
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Alphacrinus is an extinct genus of crinoids which existed during the early Ibexian period. It was named by Thomas E. Guensburg in 2010, and placed into its own family, Alphacrinidae. The type species is Alphacrinus mansfieldi.[1]
| Alphacrinus Temporal range: Ibexian | |
|---|---|
Scientific classification  | |
| Kingdom: | Animalia |
| Phylum: | Echinodermata |
| Class: | Crinoidea |
| Parvclass: | †Disparida |
| Family: | †Alphacrinidae Guensburg, 2010 |
| Genus: | †Alphacrinus Guensburg, 2010 |
| Species: | †A. mansfieldi |
| Binomial name | |
| †Alphacrinus mansfieldi Guensburg, 2010 | |
