FIGURE 9 in Four new species of the subterranean amphipod genus Stygobromus (Amphipoda: Crangonyctidae) from shallow groundwater habitats on the Coastal Plain and eastern margin of the Piedmont in Maryland and Virginia, USA

FIGURE 9. Stygobromus paxillus, sp. n. Pretty Boy Dam West Spring, Baltimore Co., Maryland.Paratype female (3.0–3.5 mm): (a) gnathopod 1 (palmar spine enlarged); (b) gnathopod 2 (palm and palmar spines enlarged in part). Gnathopods drawn to same scale.