Info
Entodesma navicula (Adams & Reeve, 1850)
Habitat: Holes and crevices in rocks; Holdfasts of kelp and giant barnacles at the lowest low tide.
Predators include Pycnopodia helianthoides. May contain a symbiotic pea crab Pinnixa faba.
Similar Species: Mytilimeria nuttalli has valves with a nearly circular outline or higher than long. Entodesma pictum has valves which do not gape, and is only up to 2.5 cm long.
Synonymised names:
Entodesma naviculoides Yokoyama, 1922
Entodesma saxicola (Baird, 1863)
Entodesma saxicola cylindracea Carpenter, 1864
Entodesma scammoni Dall, 1871
Entodesma truncatissima Pilsbry, 1895 (junior synonym)
Lyonsia navicula Adams & Reeve, 1850
Lyonsia saxicola Baird, 1863
Habitat: Holes and crevices in rocks; Holdfasts of kelp and giant barnacles at the lowest low tide.
Predators include Pycnopodia helianthoides. May contain a symbiotic pea crab Pinnixa faba.
Similar Species: Mytilimeria nuttalli has valves with a nearly circular outline or higher than long. Entodesma pictum has valves which do not gape, and is only up to 2.5 cm long.
Synonymised names:
Entodesma naviculoides Yokoyama, 1922
Entodesma saxicola (Baird, 1863)
Entodesma saxicola cylindracea Carpenter, 1864
Entodesma scammoni Dall, 1871
Entodesma truncatissima Pilsbry, 1895 (junior synonym)
Lyonsia navicula Adams & Reeve, 1850
Lyonsia saxicola Baird, 1863






Phil Garner, Southern California Marine Life, USA