Gephyrocapsa parallela
Gephyrocapsa parallela Hay & Beaudry, 1973
A holotype reference number was provided, but the corresponding photograph was not indicated, raising doubts about the validity of this species.
Length: 3.0µm
Bridge angle to major axis: ~86°
Small species of Gephyrocapsa are characterised by a central area narrower than the pelaga, with a bridge spanning it and oriented vertically or nearly vertically to the major axis of the placolith.
Hay, W. W., Beaudry, F. M., 1973. Calcareous nannofossils - Leg 15. Initial Reports of the Deep Sea Drilling Project15, 625-684.
Holotype
Gephyrocapsa parallela
Hay & Beaudry, 1973
Quaternary
DSDP Leg 15, Site 147, Cariaco Basin, Atlantic Ocean