Actinonaias


Actinonaias is a genus of freshwater mussels in the family Unionidae.

Taxonomy and history

Actinonaias was first described as a subgenus of Unio in 1894 by Joseph Charles Hippolyte Crosse and Paul Henri Fischer, with Unio sapotalensis as the type species. The name Actinonaias is derived from the Greek words άκτίν, meaning "ray", and ναϊάς, meaning "naiad".
The genus is now placed within the subfamily Ambleminae and tribe Lampsilini. Seven species are currently recognised.

Species

This genus includes the following species:
  • Actinonaias computata
  • Actinonaias coyensis
  • Actinonaias medellina
  • Actinonaias moctezumensis
  • Actinonaias sapotalensis
  • Actinonaias signata
  • Actinonaias undivaga
Species formerly placed in this genus include: