Fig 1. Middle Miocene, Malta, 13.6µm (coccosphere), Length: 8.50µm (individual)
Fig. 2 Late Miocene, Adana Basin, Turkey, Length: 10.70µm
Fig. 3 Middle Miocene, Malta, Length: 9.10µm
Fig. 4 Middle Miocene, Malta, Length: 9.30µm
Helicosphaera carteri rotundus Varol, in prep.
From Latin, rotundus, round - referring to its round shape pores in the central area
Helicosphaera carteri rotundus
Varol, in prep.
Late Pleistocene
DSDP Leg 23 Site 229A, Red Sea