is edited by
Piotr Mierzejewski

Established 2002
Graptolithoidea: Cephalodiscoidea
Cephalodiscus kempi John, 1931
updated July 27, 2013
Subgenus Acoelothecia John, 1931
Colony small or large, and branching;
formed of a meshwork of bars and spines
without any definite coenecial cavieties.
Spaces between the meshwork irregular
and continuous and occupied in common by
the zooids and their buds.


John, C.C. 1931.
Cephalodiscus. - Discovery
Reports 3, 223-260.