Prymnesiophyceae - Calyptrosphaeraceae

Parent taxon: Calyptrosphaeraceae according to P. R. Bown and J. R. Young 1997

Sister taxa: Acuturris, Anfractus, Bifidalithus, Calculites, Coccosphaerida, Isocrystallithus, Lacunolithus, Lucianorhabdus, Metadoga, Multipartis, Munarinus, Octolithus, Okkolithus, Orastrum, Ottavianus, Owenia, Petrobrasiella, Pharus, Pseudoconus, Ramsaya, Russellia, Saepiovirgata, Zebrashapka

Subtaxa: Semihololithus bicornus, Semihololithus dens, Semihololithus priscus

View classification

Ecology: passively mobile planktonic "photoautotroph"