Parent taxon: Prymnesiophyceae according to K. Fujioka et al. 1998
See also Andrews 1970
Sister taxa: Biantholithus, Braarudosphaerales, Ceratolithaceae, Coccolithales, Daktylethra, Discoasterales, Ellipsagelosphaeraceae, Ellipsolithus, Gladiolithus, Ilselithina, Isochrysidales, Lanternithus, Minylitha, Neosphaera, Pedinocyclus, Phaeocystales, Prymnesiales, Rhomboasteraceae, Tetralithoides, Transversopontis, Zygodiscales, Prymnesiophycidae, Calyptrosphaeraceae, Eodiscoaster, Arkhangelskiales, Goniolithaceae, Syracosphaerales, Lapideacassaceae, Podorhabdales, Discoasteroides, Watznaueriales, Tetralithus, Stephanolithiales, Cyclicargolithus, Eiffellithales
Subtaxa: Sphenolithus abies Sphenolithus compactus Sphenolithus heteromorphus Sphenolithus moriformis Sphenolithus radians
Type: Sphenolithus radians
Ecology: passively mobile planktonic "photoautotroph"
Distribution:
• Quaternary of Ireland (1 collection)
• Pliocene of Ecuador (1), Italy (1)
• Miocene to Pliocene of Chile (1)
• Miocene of Azerbaijan (2), Ecuador (2), France (1), Greece (1), India (1), Indonesia (2), Italy (2), Micronesia (7), Slovenia (1), Taiwan (1), Tanzania (1)
• Oligocene of Germany (1)
• Eocene of Tonga (1), Ukraine (1), United States (4: California, Georgia)
• Paleocene of Tanzania (1)
Total: 33 collections including 72 occurrences
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.