Emig, C.C. (1977). On a new species of Cephalodiscus, C. (C.) caliciformis sp. nov. (Hemichordata, Pterobranchia), collected off Madagascar. Bulletin du Museum National d'Histoire Naturelle, Paris. 3ème série, n°493, Zoolologie 342: 1077-1082.
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Emig, C.C.
1977
On a new species of <i>Cephalodiscus</i>, <i>C. (C.) caliciformis</i> sp. nov. (Hemichordata, Pterobranchia), collected off Madagascar.
Bulletin du Museum National d'Histoire Naturelle, Paris