Alternative combination: Helicopontosphaera intermedia
Belongs to Helicosphaera according to Martini 1965
Sister taxa: Helicosphaera burkei, Helicosphaera carteri, Helicosphaera cateri, Helicosphaera compacta, Helicosphaera ethologa, Helicosphaera euphratis, Helicosphaera lophota, Helicosphaera neolophota, Helicosphaera obliqua, Helicosphaera orientalis, Helicosphaera pacifica, Helicosphaera papillata, Helicosphaera parallela, Helicosphaera perchnielseniae, Helicosphaera reticulata, Helicosphaera rhomba, Helicosphaera sellii, Helicosphaera seminulum, Helicosphaera stalis, Helicosphaera truncata, Helicosphaera walbersdorfensis, Helicopontosphaera wilcoxonii, Helicopontosphaera heezenii, Helicopontosphaera ampliaptera, Helicopontosphaera dinesenii, Helicopontosphaera hyalina, Helicopontosphaera granulata, Helicopontosphaera bramlettei, Helicopontosphaera minima
Ecology: passively mobile planktonic "photoautotroph"
Distribution:
• Quaternary of Indian Ocean (1 collection), South Pacific (24)
• Pliocene of Indian Ocean (3), South Pacific (7)
• NN12 of South Pacific (6)
• Miocene to Pliocene of Indian Ocean (1), North Pacific (1), South Pacific (1)
• Miocene of Indian Ocean (88), North Pacific (42), South Pacific (13)
• Oligocene to Miocene of North Pacific (2)
• Oligocene of Indian Ocean (1), North Pacific (1)
• Eocene of North Atlantic (3), Tonga (1)
Total: 195 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.