A = Protoplast and lorica (dry preparation) (DIC); B = Loricas (SEM)
Life-form: Solitary
Size: Lorica hight c. 10 µm
Resting spore:
Note: See Thomsen (1992b)
Distinctive features: All longitudinal costae meet at the back of the lorica
Similar species: Plerasiga reynoldsii
Distribution: Worldwide
Literature:
Thomsen, H. A. 1992b. Loricabærende Chonanoflagellater
(Kraveflagellater). In: Thomsen, H. A. (ed.) Plankton i de indre
danske farvande. Havforskning fra Miljøstyrelsen, Copenhagen,
p. 157-194.
Throndsen, J. 1970a. Marine planktonic Acanthoecaceans (Craspedophyceae) from Arctic waters. Nytt Mag. Bot. 17: 103-111.