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Issue: Vol. 5711 No. 4: 21 Oct. 2025
Type: Article
Published: 2025-10-21
DOI: 10.11646/zootaxa.5711.4.4
Page range: 527-544
Abstract views: 97
PDF downloaded: 4

A new species of Maera Leach, 1814 and new records of Ceradocus Costa, 1853 and Dulichiella Stout, 1912 (Amphipoda: Hadzioidea) from Laje de Santos, São Paulo State, southeastern Brazil

Universidade do Estado do Rio de Janeiro (UERJ); Faculdade de Formação de Professores; Departamento de Ciências. Rua Dr. Francisco Portela; 1470; Patronato; CEP 24435-005; São Gonçalo; RJ; Brasil
Universidade do Estado do Rio de Janeiro (UERJ); Faculdade de Formação de Professores; Departamento de Ciências. Rua Dr. Francisco Portela; 1470; Patronato; CEP 24435-005; São Gonçalo; RJ; Brasil
Institute of Marine Studies Almirante Paulo Moreira - IEAPM; Department of Biotechnology. Praia dos Anjos; CEP 28930-000; Arraial do Cabo; RJ; Brasil
Crustacea identification key Maeridae Melitidae Peracarida setal type taxonomy

Abstract

A new species of the genus Maera Leach, 1814 is described from the southeastern Brazilian coast. The new species differs from its congeners by presenting (1) gnathopod 1 with serrated palm and dactylus nail present; (2) gnathopod 2, palm with two triangular processes near the dactylus articulation, the latter with 14 setae on the outer margin; (3) pereopod 5, dactylus nail with one subapical spine; (4) and pereopods 6–7, dactylus nail with two subapical spines. An identification key to world species of the genus Maera is also provided. We also present the first record of two other hadzioid species, Ceradocus (Denticeradocus) sp. and Dulichiella anisochir (Krøyer, 1845), for the Marine State Park of Laje de Santos.

 

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How to Cite

Queiroz, B., Senna, A.R. & Silva, A.R.D. (2025) A new species of Maera Leach, 1814 and new records of Ceradocus Costa, 1853 and Dulichiella Stout, 1912 (Amphipoda: Hadzioidea) from Laje de Santos, São Paulo State, southeastern Brazil. Zootaxa, 5711 (4), 527–544. https://doi.org/10.11646/zootaxa.5711.4.4