FIGURE 4. Synalpheus microneptunus n in Sponge-dwelling snapping shrimps (Alpheidae: Synalpheus) of Barbados, West Indies, with a description of a new eusocial species

FIGURE 4. Synalpheus microneptunus n. sp. Paratype, non-ovigerous individual, CL 2.44 mm (USNM 1154072, original VIMS BR08-7002-2) from Xestospongia proxima, Cement Factory, Barbados: A, minor first pereopod; B, same, distal region of fingers; C, second pereopod, setae not drawn; D, same, distal region. Scale bar = 0.33 mm for A, 0.16 mm for B, 1 mm for C, 0.4 mm for D.