Salmoneus, HOLTHUIS, 1955

Anker, Arthur, Mendonça, Oel B., Pachelle, Paulo P. G. & Tavares, Marcos, 2013, New And Additional Records Of Salmoneus Holthuis, 1955 (Decapoda, Caridea, Alpheidae) From Brazil, With A Key To The Southern Atlantic Species, Papéis Avulsos de Zoologia (São Paulo) 53 (33), pp. 451-458 : 451-458

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