Dilocarcinus septemdentatus

Dilocarcinus septemdentatus

(Herbst, 1783)

( Figs. 1A View Figure 1 , 2C View Figure 2 )

Material examined. Brazil, state of Maranhão: Paulino Neves municipality, São José stream (02°49’26.2”S 42°32’38.3” W), 20.X.2014. 8 females (18.81 to 36.65mm CW and 15.99 to 32.65 CL). Chapadinha municipality, Repouso stream GoogleMaps

(03°46’15.62”S 43°20’23.71” W), 24.III.2015, 1 female (15.58 mm CW and 13.52 mm CL) and 2 males (33.16‒46.30 mm CW and 28.12‒38.36mm CL) (CDZ 619).

Distribution. Suriname, French Guyana, Brazil, and Peru ( Barros and Pimentel, 2001; Magalhães 2003a; Magalhães and Turkay, 2008; Alves et al., 2010, Lima et al., 2013).

Remarks. Three females and one male of the eleven specimens registered, presented asymmetric number of teeth on the carapace. Two females showed five teeth on the right margin and six teeth on the left margin, while the third female showed six teeth on the right margin and seven on the left margin. The male presented six teeth on the right margin and seven on the left margin of the carapace.