Richness of Dendrocephalus (Branchiopoda, Anostraca) in Brazil with the description of two new species Author Rabet, Nicolas 287D7573-79F1-432C-84E1-CDFED2999AB2 Sorbonne Université, UPMC Univ Paris 06, CNRS, Unité Biologie des organismes et écosystèmes aquatiques (BOREA, UMR 7208), Muséum national d’Histoire naturelle, Université Pierre et Marie Curie, Université de Caen Normandie, Université des Antilles, CNRS, IRD, CP 26 75231, 43 rue Cuvier, Paris Cedex 05, France. Universidade Estadual do Sudoeste da Bahia, Laboratório de Biossistemática Animal, BR 415, km 03.45700 - 000 Itapetinga, Bahia, Brazil. Universidade Federal do Rio de Janeiro, Laboratório de Limnologia, Departamento de Ecologia, Instituto de Biologia, CCS, Av. Carlos Chagas Filho, 373, CEP 21941 - 590 Rio de Janeiro, RJ, Brazil. nicolas.rabet@sorbonne-universite.fr Author Lacau, Sébastien ABA3BECA-A630-4608-993B-00A741B21F6A slacau@uesb.edu.br Author Bozelli, Reinaldo L. F4DE0445-C4CF-4A79-85BC-87C0DF94427B bozelli@biologia.ufrj.br text European Journal of Taxonomy 2018 2018-11-22 478 1 20 journal article 22180 10.5852/ejt.2018.478 45a79aa8-d6fb-4549-b586-6f5b379893eb 3825236 644EB0C5-C63E-4F52-A663-64CCF3A48AFF Key for all known species of Brazilian Dendrocephalus A key based on male characters is presented for all known species of the Brazilian Dendrocephalus , and we recommend verifying the coherence of the determination with Tables 1–3. 1. Proximal anterior surface of frontal appendage primary branches without spines ........................... 2 – Proximal anterior surface of frontal appendage primary branches with at least one spine ............... 3 2. Primary branches of frontal appendage with spines on medial surface, thoracopod I with endopodite without expansion..................................................................................... D. brasiliensis Pesta, 1921 – Primary branches of frontal appendage without spines, thoracopod I with endopodite with spiny expansion ................................................................... D. carajaensis Rogers, Gomes & Vieira, 2012 3. Proximal anterior surface of frontal appendage primary branches generally with one spine and branch 2A extremity with a strongly sclerotized hook ................ D. orientalis Rabet & Thiéry, 1996 – Proximal anterior surface of frontal appendage primary branches with three to four spines and branch 2A extremity podiform ...................................................................................................................... 4 4. Branch 1V anterior sub-branch with swollen distal portion.............................................................. 5 – Branch 1V anterior sub-branch with acute distal portion.................................................................. 6 5. Branch 2D, sub-branch I and II with several long spines.............. D. aranai Rabet & Lacau sp. nov. – Branch 2D, sub-branch I and II without long spines ........................................ D. thieryi Rabet, 2006 6. Thoracopod III with endopodite producing distolateral corner........................................................... .................................................................................................... D. goiasensis Rabet & Thiéry, 1996 – Thoracopod III with endopodite not producing distolateral corner................................................... 7 7. Thoracopod I with endopodite with basolateral spiniform projection; thoracopods II and III with endopod without large spines ............................................ D. riograndensis Rogers & Volcan, 2016 – Thoracopod I with endopodite with small basolateral extension with spines; thoracopods II and III with endopod with large marginal spines ................................... D. xikrini Rabet & Bozelli sp. nov.