Belongs to Helicosphaera according to Bramlette and Wilcoxon 1967
Sister taxa: Helicosphaera burkei, Helicosphaera carteri, Helicosphaera cateri, Helicosphaera ethologa, Helicosphaera euphratis, Helicosphaera intermedia, 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 bramlettei, Helicopontosphaera ampliaptera, Helicopontosphaera wilcoxonii, Helicopontosphaera hyalina, Helicopontosphaera granulata, Helicopontosphaera minima, Helicopontosphaera dinesenii, Helicopontosphaera heezenii
Ecology: passively mobile planktonic "photoautotroph"
Distribution:
• Quaternary of Indian Ocean (2 collections), North Atlantic (1)
• Pliocene of Indian Ocean (1)
• Miocene of Indian Ocean (7)
• Oligocene of Indian Ocean (4), North Atlantic (20), North Pacific (41)
• NP21 of North Pacific (3)
• Eocene to Oligocene of North Atlantic (2), North Pacific (15)
• Eocene of North Atlantic (26), North Pacific (10), Tonga (1), Ukraine (1), United States (1: North Carolina)
Total: 135 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.