overview (8)
Arkhangelskiales (2)
Eiffellithales (3)
Holococcoliths (26)
Nannoliths (10)
Podorhabdales (7)
Watznaueriales (1)
Helicosphaera wallichii (Lohmann, 1902) Okada & McIntrye, 1977 [Coccosphaera]
Description: Like H. carteri but central-area with inclined pores.
Remarks: Separation of H. wallichii from H. carteri at species level was long doubted but has been verified by culture and molecular genetic studies (Geisen et al. 2004).
Original description:
Synonym: H. carteri var. wallichii
Neogene: Helicosphaera wallichii