Fossil gyrogonites, Paleocene. [details]
The description suggests Nitella C.A. Agardh (see Wood, 1948). (Index Nominum Genericorum). Incompletely known, a ... [details]
Basionym: Nitella subg. Cristatella G. Stache, 1889, refer Horn af Rantzien, 1956. According to Horn af Rantzien, ... [details]