Calcigorgia Broch, 1935

Dautova, Tatiana N., 2019, New species of deep-water Calcigorgia gorgonians (Anthozoa: Octocorallia) from the Sea of Okhotsk, with a re-diagnosis and a taxonomic review of the genus, European Journal of Taxonomy 549, pp. 1-27 : 3

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Calcigorgia Broch, 1935


Genus Calcigorgia Broch, 1935  


Acanthogorgiid gorgonians whose sclerites are not individually conspicuous and not regularly arranged in the polyp. Sclerites are spindles, capstans, ovals, and clubs with warty, leafy, or serrated heads.


The diagnosis given above combines those provided by Broch (1935) and Bayer (1981), and adds the cases when clubs with leafy or serrated (dentate) heads are present. Leafy clubs were shown for Calcigorgia matua   , C. herba   sp. nov. and С. lukini   sp. nov. Clubs with serrated heads were found in C. japonica   and in some specimens of Calcigorgia   from Matsumoto et al. (2019). Matsumoto et al. (2019) also gave a diagnosis of the genus, but they wrongly noted that “tentacular sclerites are scales or absent; polyp and coenenchymal sclerites in the form of stout tuberculate spindles” ( Matsumoto et al. 2019: 2–3). Calcigorgia spiculifera   , the type of the genus, has not only scales but also clubs and spindles in the tentacles. Its polyp body and coenenchyme with capstans and ovals ( Broch 1935: 22–25, fig. 14; Table 1 View Table 1 of the present paper). Additionally, various sclerite types besides the scales were documented in tentacles and other parts of colonies of a range of Calcigorgia   representatives, including those described in Matsumoto et al. 2019 ( Table 1 View Table 1 of the present contribution).