Kemponia americanus (Kingsley, 1878)
Anchistia americana Kingsley, 1878: 65 .
Periclimenes americanus — Rathbun, 1902: 20 (2); 121. Periclimenes (Harpilius) americanus — Holthuis, 1951: 60 –66, pl. 18a–j, pl. 19a–e (full synonymy).
Type material. Whereabouts of the type specimen unknown (Holthuis, 1951).
Type locality. Key West, Florida, U.S.A.
Habitat. Mainly shallow sandy or rocky bottoms; coral reefs; abundant in sea grass beds (Bauer, 1985)..
Bathymetric range. Shallow to 44 m; 73 m (Holthuis, 1951).
Larvae. First and fifth zoeal l stages described by Gurney (1936, 1943).
Distribution. East coast of United States, from North Carolina to Florida; Bermuda; West Indies; Colombia.
Remarks. Reported in association with anemones, Bartholomea annulata and B. granulatum, and crinoids, Nemaster grandis, as well as a range of habitats, in Colombian waters (Criales, 1984). Frequently captured under freeliving circumstances.