Vaga, C. F.; Migotto, A. E.; Santos, M. E. A.; Honji, R. M.; Reimer, J.; Kitahara, M. V. (2021). An integrative approach reveals a new species of Zoantharia (Cnidaria, Anthozoa), Terrazoanthus silveirai, in the South-western Atlantic Ocean. Marine Biology Research. 17(7-8): 603-614.

481743

10.1080/17451000.2021.1998539 [view]

Vaga, C. F.; Migotto, A. E.; Santos, M. E. A.; Honji, R. M.; Reimer, J.; Kitahara, M. V.

2021

17(7-8): 603-614

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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.

Zoantharia

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