Feistiellaceae

Feistiellaceae is a family of freshwater green algae in the order Charales.

Genera
, AlgaeBase and Fossilworks accepted three genera:
 * †Amblyochara Grambast – 6 species
 * †Feistiella Schudack – 8 species
 * Nitellopsis Hy – 24 species

With this circumscription, the family as a whole is not extinct, since Nitellopsis contains living (extant) species, including the widely dispersed Nitellopsis obtusa. Other sources place Nitellopsis in the family Characeae, leaving Feistiellaceae with only extinct genera.