Alphacrinus Explained

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]

Notes and References

1. Guensburg . T. E. . 10.1666/10-030.1 . Alphacrinus New Genus and Origin of the Disparid Clade . Journal of Paleontology . 84 . 1209–1216 . 2010 . 6 . 86593763 .