Family Gephyrocapsaceae Heimdal 1997 (haptophyte alga)
Coccolithophyceae - Isochrysidales - Gephyrocapsaceae
Full reference: B.R. Heimdal. 1997. Modern Coccolithophorids. In: Tomas, C.R. (Ed.) (1997). Identifying marine phytoplankton. Academic Press: San Diego 15:731-833
Parent taxon: Isochrysidales according to B.R. Heimdal 1997
Sister taxa: Isochrysidaceae, Noelaerhabdaceae, Prinsiaceae
Subtaxa: Crenalithus
Ecology: passively mobile planktonic "photoautotroph"
Distribution: found only at Porcupine Seabight, Hole U1317E (Quaternary of Ireland)