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Updated: Dec 25, 2025

Microfocus X-ray CT microCT Imaging of Actinia equina Cnidaria, Harmothoe sp. Annelida, and Xenoturbella japonica Xenacoelomorpha
Published on: August 6, 2019
Dendrochirotida (Echinodermata: Holothuroidea) from the northeastern coast of Brazil
Jéssica Prata1, Cynthia Lara DE Castro Manso, Martin Lindsey Christoffersen
1Programa de Pós-Graduação em Ciências Biológicas (Zoologia), Departamento de Sistemática e Ecologia, Universidade Federal da Paraíba, Campus I, CEP 58051-900, João Pessoa, Paraíba, Brazil.. jessie.prata@gmail.com.
Abstract:
The study presents a review of the Dendrochirotida species from shallow waters of the northeastern coast of Brazil. A total of 1,268 specimens were analyzed and 24 species were recorded, which were classified into 16 genera of Cucumariidae, Psolidae, Phyllophoridae, and Sclerodactylidae. Detailed descriptions and figures of the taxonomic characters are provided to facilitate species identification. Notes on morphological variation, geographic distribution, and habitat are also provided. We suggest two new species for science, Thyone brasiliana sp. nov. and Havelockia nietae sp. nov., the new combination Parathyone braziliensis (Verrill, 1868) and the first record of Euthyonidiella trita (Sluiter, 1910) for the Brazilian coast. The bathymetric ranges are expanded for Coronatum baiensis, Euthyonidiella trita, Stolus cognatus, and Thyonidium seguroensis.
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