Described as fossil green alga, but synonymised with Parapandorina, the latter a putative animal embryo according ... [details]
Interpreted as a phase in the life cycle of non-metazoan, encysting protists (Megasphaera) by Zhang & Zhang, 2022. [details]
A putative animal embryo according to Xiao & Knoll, 2000, however re-interpreted as non-metazoan, encysting ... [details]