A new species of Acarnus Gray, 1867 (Porifera, Demospongiae, Acarnidae) from NE Brazil

被引：0

作者：

Nascimento, Elielton ^{[1
]}

Pinheiro, Ulisses ^{[1
]}

机构：

[1] Univ Fed Pernambuco, Dept Zool, Recife, Brazil

来源：

ZOOTAXA | 2023年 / 5293卷 / 03期

关键词：

Marine sponges; taxonomy; South West Atlantic; biodiversity; POECILOSCLERIDA;

D O I：

10.11646/zootaxa.5293.3.5

中图分类号：

Q95 [动物学];

学科分类号：

071002 ;

摘要：

The synapomorphic character of the genus Acarnus Gray, 1867 is the presence of the cladotylote spicule. Acarnus has 27 valid species worldwide, including five species reported from the Brazilian coast: A. innominatus Gray, 1867, A. nicoleae van Soest, Hooper & Hiemstra, 1991, A. souriei (Levi, 1952), A. radovani (Boury-Esnault, 1973) and A. toxeata Boury-Esnault, 1973. Here we will describe A. microxeatus sp. nov., whose diagnosis is the presence of smooth microxeas and acanthoxeas, new characters for the genus. We also provide a complete characterization of the skeletal architecture and spicule morphology of A. toxeata, with scanning electron microscopy image (SEM) of the spicule set.

引用

页码：521 / 540

页数：20

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