(Fig. 20G)
Spirontocaris kincaidi Rathbun, 1902a: 899; 1904: 95, fig. 43. — Schmitt 1921: 63, fig. 40.
Heptacarpus kincaidi. — Holthuis 1947: 12. — Kozloff 1974: 167. — Word & Charwat 1976: 119. — Butler 1980: 218. — Wicksten 1990b: 594. — Jensen 1995: 47, fig. 78. — Chace 1997: 44.
Diagnosis. Rostrum moderately deep, exceeding antennular peduncle, with 5 or 6 dorsal, 5 or 6 ventral teeth; apex usually bifid. Second, third segments of antennular peduncle with 1 spine each, stylocerite reaching end of second segment. Third maxilliped with epipod. No epipods on pereopods. Pereopods 3–5 slender, with spinose dactyls; merus of pereopod 3 with 2–4 spines, pereopod 4, with 2 or 3 spines, pereopod 5, with 2 or 3 spines. Pleura of abdominal somites 1–4 rounded, 5 with sharp ventral point. Dorsal posterior margin of somite 3 forming cap-like lobe. Telson with 4 pairs dorsolateral spines. Female total length 35 mm, male not reported.
Color in life. Mostly transparent, with red spots and bands on body, and appendages (Butler 1980). Rostrum with yellowish stripe, body marked with red and streaked with white and gray-green patches (Jensen 1995).
Habitat and depth. Subtidal rocky areas, in association with sea anemones, Cribrinopsis fernaldi Siebert & Spaulding 1976; and Urticina crassicornis (O.F. Müller, 1776) (Jensen 1995), 10– 183 m.
Range. Discovery Passage, east coast of Vancouver I., British Columbia to San Pedro, California. Type locality Santa Cruz, California.