Palaemonetes hiltoni Schmitt, 1921

Wicksten, Mary K., 2012, Decapod Crustacea of the Californian and Oregonian Zoogeographic Provinces 3371, Zootaxa 3371, pp. 1-307 : 55

Palaemonetes hiltoni Schmitt, 1921

( Fig. 12E–H)

Palaemonetes hiltoni Schmitt, 1921: 36 , pl. 12, fig. 5. — Holthuis 1952a: 227, pl. 53, figs. n–s. — Chace & Abbott 1980: 569. — Wicksten 1983b: 11; Wicksten 1989a: 15. — Wicksten & Hendrickx 2003: 62.

Diagnosis. Rostrum as long as scaphocerite, with 8–11 dorsal, 2–3 ventral teeth. Carapace with antennal, branchiostegal teeth. Basal segment of antennular peduncle with lateral tooth, small subapical tooth. Scaphocerite with scale exceeding lateral tooth. Pereopod 1 chelate, shorter than pereopod 2. Carpus of pereopod 2 as long as palm of chela. Pereopods 3–5 slender, with simple dactyls. Pleura of abdominal somites 1–4 rounded, somite 5 with posterolateral spine. Telson with 2 pairs spines on posterior margin. Total length 24 mm.

Color in life. Translucent.

Habitat and depth. Bays, estuaries, shallow water.

Range. San Pedro and Del Mar, California; Gulf of California in Sonora and Sinaloa, Buenaventura Bay , Colombia. Type locality San Pedro, California. Chace & Abbott (1980: 569) mentioned this species as occurring naturally in California, but Palaemonetes hiltoni has not been reported in California since its original description.