On a new genus and species of Hemicytheridae (Ostracoda, Crustacea) from the southern Brazilian coast

Abstract

This study is based on 62 samples of bottom sediments and phytal collected in the upper rocky sublitoral (≤ 3 m water depth) of the central and northern coasts of Santa Catarina State (26°10’/27°50’S – 48°26’/48°40’W), southern Brazil. Living and dead ostracodes distributed among 16 families were recovered. In this paper is emphasized one new hemicytherid genus and species that are described and richly illustrated: Auricythere sublitoralis gen. nov., sp. nov. Some ecological and zoogeographical aspects of this new ostracode are briefly discussed.

Foram coletadas 62 amostras de sedimentos de fundo e fital no infralitoral rochoso superior (≤ 3 m de profundidade) das regiões central e norte do Estado de Santa Catarina (26°10’/27°50’S – 48°26’/48°40’W). Os ostracodes vivos e mortos recuperados estão distribuídos em 16 famílias, destacando-se, neste trabalho, um novo gênero e espécie de Hemicytheridae, os quais são descritos e ricamente ilustrados: Auricythere sublitoralis gen. nov., sp. nov. Alguns aspectos ecológicos e zoogeográficos deste novo táxon são brevemente discutidos.