Graptolite Net | Graptolites & Graptoliters | Relationships of Graptolites | Rhabdopleuroidea | Cephalodiscoidea |
GRAPTOLITE NET edited by Piotr Mierzejewski, the Count of Calmont and Countess Maja A. Korwin-Kossakowska since 2002 |
Dictyonema crassibasale Gurley |