| Citation | Schiaparelli, S., R. Cattaneo-Vietti and P. Mierzejewski 2004 A "protective shell" around the larval cocoon of Cephalodiscus densus Andersson, 1907 (Graptolithoidea, Hemichordata). Polar Biol. 27:813-817. |
| DOI / ISBN | |
| Paper URL | |
| Ref. No. | 973 |
| Language | English |
| Usage | used in part |
| Remarks | |
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