Synonym: Helicopontosphaera Hay and Mohler 1967
Parent taxon: Haptophyta according to M. Hyzny et al. 2012
See also Young and Bown 1997
Sister taxa: Aspidorhabdus, Camuralithus, Coccolithophyceae, Conococcolithus, Corannulus, Craspedolithus, Crassapontosphaera, Crassidiscus, Cricosphaera, Cyclolithella, Cycloperfolithus, Discoasteridae, Ellipsodiscoaster, Heliorthus, Koczyia, Leptodiscus, Lithostromationaceae, Nannocorbis, Orthozygus, Pervilithus, Phanulithus, Pyrocyclus, Reticulofenestra, Rhabdolithina, Sphenaster, Striatococcolithus, Syracosphaera, Umbilicosphaera, Vermiculithina, Wiseorhabdus
Subtaxa: Helicosphaera carteri Helicosphaera ethologa Helicosphaera lophota Helicosphaera neolophota Helicosphaera orientalis Helicosphaera stalis
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), Cyprus (1), Ecuador (1), France (1), Greece (2), India (1), Italy (2), Slovakia (3), Slovenia (1), Taiwan (1), Tanzania (1), United States (1: California)
• Eocene of Jordan (1), Tonga (1), United States (5: California, Georgia)
Total: 28 collections including 50 occurrences
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.