Crystallolithus braarudii Gaarder 1962
Calyptrosphaeraceae (this is an artificial grouping -heterococcolith phase is currently un-confirmed)
Kleijne (1991) p. 17 pl. IV.
After Young et al. 2003. Liths with discontinuous cover, central ring of elements connected to rim by spoke-like strings of crystallites; rim two crystallites high.
60°03.1911' S, 150°47.9310' E, L. Harding, AAD, unpub.
45°S, 149° E, R. Eriksen, unpub.
After Young et al. Life-cycle combination coccospheres with Calcidiscus leptoporus illustrated by Kleijne (1991), Cortes (2000), Renaud & Klaas (2001) and transistion seen in culture (Geisen et al. 2002, Houdan et al. subm.).