Checklist of decapod crustaceans from the coast of the São Paulo state (Brazil) supported by integrative molecular and morphological data: III. Infraorder Brachyura Latreille, 1802 Author Mantelatto, Fernando L. Author Tamburus, Ana Francisca anaftg@yahoo.com.br Author Magalhães, Tatiana tmagalhaes@usp.br Author Buranelli, Raquel C. raquel.buranelli@gmail.com Author Terossi, Mariana mterossirm@gmail.com Author Negri, Mariana ma_negri90@hotmail.com Author Castilho, Antonio L. antonio.castilho@unesp.br Author Costa, Rogério C. rogerio.c.costa@unesp.br Author Zara, Fernando J. fj.zara@unesp.br text Zootaxa 2020 2020-11-06 4872 1 1 108 journal article 7963 10.11646/zootaxa.4872.1.1 9d719bcd-20aa-4dc8-8ebe-274abb4c41d8 1175-5326 4423421 43CF3E3F-CFBA-4821-B8A0-02B32AF380C4 Omalacantha bicornuta (Latreille, 1825) ( Figure 13F ) Pisa bicornuta Latreille, 1825: 141 . Material examined. Brazil , São Paulo : 1 ♂ , CCDB 1414 , Ubatuba , Ilha Prumirim , coll. F. Mantelatto , 01.vii.2001 ; 1 ♂ , CCDB 1422 , Ubatuba , Praia Grande , coll. F. Mantelatto , 01.iv.2004 ; 1 ♀ , CCDB 4315 , Ubatuba , Ilha das Couves , coll. F. Mantelatto , 19.x.2012 ; 1 ♂ , CCDB 81 , Ubatuba , Praia do Itaguá , coll. F. Mantelatto , 01.iv.1995 ; 1 j, CCDB 82 , Ubatuba , Praia do Itaguá , coll. F. Mantelatto , 01.viii.1995 ; 2 ♀ ( 1 ♀ ov), CCDB 6458 , Ubatuba , Praia do Itaguá , coll. F. Mantelatto , 17.ii.2010 ; 6 ♂ , 1 ♀ , CCDB 80 , Ubatuba , Praia do Lamberto , coll. F. Mantelatto , 01.xii.1995 ; 1 ♂ , CCDB 6456 , Ubatuba , Praia do Lázaro , coll. F. Mantelatto , 29.xi.2005 ; 1 ♂ , CCDB 5933 , São Sebastião , Praia do Segredo , coll. J. Ilton , 02.iv.2008 . Distribution. Western Atlantic—USA (North Carolina) to Brazil (Fernando de Noronha; Maranhão , Rio Grande do Norte , Ceará , Paraíba , Pernambuco , Alagoas , Bahia to Rio Grande do Sul ) ( Melo 1996 , 2010; Alves et al. 2008 ; Coelho et al. 2008 ; Felder et al. 2009 —all records as Microphrys bicornutus ). Remarks. Previous records on the coast of São Paulo include Ubatuba ( Mantelatto & Fransozo 2000 ; Bertini & Fransozo 2004; Bertini et al. 2004, 2010; Alves et al. 2012b , 2013b ; Assugeni et al. 2017 ) and Caraguatatuba ( Braga et al. 2005 ). This species previously belonged to the genus Microphrys H. Milne Edwards, 1851 and was assigned to the new valid genus Omalacantha Windsor & Felder, 2014 ( Windsor & Felder 2014 ). Sequences accession number (GenBank): CCDB 5740—16S ( MF490191 ), COI ( MF490097 ) ( Mantelatto et al. 2018a ).