An integrative approach reveals a new species of Zoantharia (Cnidaria, Anthozoa), Terrazoanthus silveirai, in the South-western Atlantic Ocean

The recently erected macrocnemic family Hydrozoanthidae comprises relatively few species recorded from tropical and subtropical regions. In the Atlantic Ocean, this family has been reported only from three locations: the Caribbean Sea, the Argentine continental shelf and the Cape Verde Islands. Base...

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Bibliographic Details
Published in:Marine biology research 2021-09, Vol.17 (7-8), p.603-614
Main Authors: Vaga, Claudia F., Migotto, Alvaro E., Santos, Maria E. A., Honji, Renato M., Reimer, James, Kitahara, Marcelo V.
Format: Article
Language:English
Subjects:
Alcatrazes Archipelago
Brazil
Macrocnemina
phylogeny
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Summary:The recently erected macrocnemic family Hydrozoanthidae comprises relatively few species recorded from tropical and subtropical regions. In the Atlantic Ocean, this family has been reported only from three locations: the Caribbean Sea, the Argentine continental shelf and the Cape Verde Islands. Based on a study of colonies collected during scuba diving at Alcatrazes Archipelago's main island (São Paulo State), south-eastern Brazil, a new species belonging to the genus Terrazoanthus is described as T. silveirai sp. nov. Vaga, Migotto & Kitahara. Morphological and ecological observations coupled with molecular analyses revealed a unique cnidome, a novel facultative association with sponges, and confirmed the phylogenetic position of this new species within Hydrozoanthidae. Our results represent the second record of Hydrozoanthidae and Terrazoanthus from the South-western Atlantic, expanding the sparse taxonomic knowledge of the order Zoantharia in this area. http://zoobank.org/3969190B-A039-457C-8101-44FEF60B4D43
ISSN:1745-1000
1745-1019
DOI:10.1080/17451000.2021.1998539