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Type: Article
Published: 2020-06-04
Page range: 516–534
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New species of Stylopoma (Bryozoa, Cheilostomata) from Bahia State, northeastern Brazil

Laboratório de Estudos de Bryozoa—LAEBry, Departamento de Zoologia, Centro de Biociências, Universidade Federal de Pernambuco, Recife, PE, 50670–901, Brazil.
Laboratório de Estudos de Bryozoa—LAEBry, Departamento de Zoologia, Centro de Biociências, Universidade Federal de Pernambuco, Recife, PE, 50670–901, Brazil. Museu de História Natural, Setor da Zoologia, Universidade Federal da Bahia, Salvador, BA, 40170–115, Brazil.
Laboratório de Estudos de Bryozoa—LAEBry, Departamento de Zoologia, Centro de Biociências, Universidade Federal de Pernambuco, Recife, PE, 50670–901, Brazil.
Bryozoa Gymnolaemata Schizoporellidae taxonomy Western Atlantic

Abstract

At date, seven species of Stylopoma Levinsen, 1909 are reported from the Brazilian coast, five of which are known from Bahia State in the northeastern region. Here we describe four new species of Stylopoma, all from Bahia State: Stylopoma corallinum n. sp., Stylopoma faceluciae n. sp., Stylopoma multiavicularia n. sp. and Stylopoma sinuata n. sp. Unlike the Caribbean species of Stylopoma, that mainly have rounded primary orifice and slit-like sinus, the morphology of the primary orifice of Brazilian taxa, including the new species presented here, is quite variable. In the newly described taxa, the sinus is drop-shaped in S. corallinum n. sp. and S. faceluciae n. sp., U-shaped in S. multiavicularia n. sp. and V-shaped in S. sinuata n. sp. Like congeners from the Caribe, S. corallinum n. sp., S. faceluciae n. sp. and S. multiavicularia n. sp. have avicularia on the surface of the ooecia. Remarks on the morphological characters currently used in Stylopoma taxonomy are provided, including a comparative table of all living species worldwide.

 

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