New And Additional Records Of Salmoneus Holthuis, 1955 (Decapoda, Caridea, Alpheidae) From Brazil, With A Key To The Southern Atlantic Species Author Anker, Southern Tlantic Species Arthur Author Mendonça, Joel B. . Museu de Zoologia, Universidade de São Paulo. Caixa Postal 42.494, 04218 - 970, São Paulo, SP, Brasil. Author Pachelle, Paulo P. G. . LIMCE, Universidade Federal do Ceará, Fortaleza, Ceará, Brasil. E-mail: paulopachelle @ gmail. com Author Tavares, Marcos . Museu de Zoologia, Universidade de São Paulo. Caixa Postal 42.494, 04218 - 970, São Paulo, SP, Brasil. &. E-mail: mdst @ usp. br text Papéis Avulsos de Zoologia 2013 São Paulo 2013-12-31 53 33 451 458 http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0031-10492013003300001&lng=en&nrm=iso&tlng=en journal article 10.1590/S0031-10492013003300001 1807-0205 13152803 Key to the known species of Salmoneus from the southern Atlantic Ocean 1. Carapace with deep depression on dorsal surface .................................................... S. depressus Anker, 2011 1’. Carapace without deep depression on dorsal surface ..................................................................................2 2. Major cheliped with merus conspicuously widening and excavated distally; major chela with deep depression ventrally ..........................................................................................................................................3 2’. Major cheliped with merus not or slightly widening, at most shallowly depressed distally; major chela not deeply depressed ventrally .......................................................................................................................4 3. Dactylus of third and fourth pereiopods very long and slender, more than 0.6-times length of propodus; colour in life: semitransparent with purplish-bluish transverse bands on abdomen.................................... ........................................................................................................................... S. carvachoi Anker, 2007 3’. Dactylus of third and fourth pereiopods not particularly long or slender, less than 0.5-times length of propodus; colour in life: bright orange-yellow ..................................................... S. ortmanni ( Rankin, 1898 ) 4. Rostrum about as wide as long; orbital teeth small, not reaching 0.3 length of rostrum ............................... .............................................................................................................. S. teres Manning & Chace, 1990 4’. Rostrum distinctly longer than wide; orbital teeth large, reaching 0.4 length of rostrum............................5 5. Carapace covered with numerous, very thick, erect setae........................ S. setosus Manning & Chace, 1990 5’. Carapace smooth, without thick, erect setae ................................................................ S. rocas Anker, 2007