Alternative combination: Helicopontosphaera seminulum
Belongs to Helicosphaera according to S. A. Jafar and E. Martini 1975
Sister taxa: Helicosphaera burkei, Helicosphaera carteri, Helicosphaera cateri, Helicosphaera compacta, 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 stalis, Helicosphaera truncata, Helicosphaera walbersdorfensis, Helicopontosphaera bramlettei, Helicopontosphaera ampliaptera, Helicopontosphaera wilcoxonii, Helicopontosphaera hyalina, Helicopontosphaera granulata, Helicopontosphaera minima, Helicopontosphaera dinesenii, Helicopontosphaera heezenii
Subtaxa: Helicosphaera seminulum lophota Helicosphaera seminulum recta Helicosphaera seminulum seminulum
Ecology: passively mobile planktonic "photoautotroph"
Distribution:
• Quaternary of North Atlantic (1 collection), South Pacific (2)
• Pliocene of North Atlantic (3)
• Miocene of Indian Ocean (23), North Atlantic (3), North Pacific (9), South Pacific (1)
• NN1 of Indian Ocean (1), North Atlantic (1)
• Oligocene to Miocene of Indian Ocean (1), North Atlantic (6), North Pacific (2), South Pacific (1)
• Oligocene of Indian Ocean (10), North Atlantic (51), North Pacific (12), South Pacific (17)
• Eocene to Oligocene of North Atlantic (1), North Pacific (1)
• Eocene of North Atlantic (17), North Pacific (3), United States (1: Georgia)
• Paleocene of Argentina (1)
Total: 168 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.