. East coast marine shells : descriptions of shore mollusks together with many living below tide mark, from Maine to Texas inclusive, especially Florida, with more than one thousand drawings and photographs. Mollusks -- Atlantic Coast; Mollusks -- Florida. EAST COAST MARINE SHELLS 75 ACMAEA TESTUDINALIS AMAENA Say. Shell oval, apex almost in middle; color yellowish gray with dark brownish stripes and a somewhat broken pattern; interior white with a large dark central area; border tessellated with white and brown. Length 35 mm. It is plentiful upon rocks exposed to surf, particularly upon the c
. East coast marine shells : descriptions of shore mollusks together with many living below tide mark, from Maine to Texas inclusive, especially Florida, with more than one thousand drawings and photographs. Mollusks -- Atlantic Coast; Mollusks -- Florida. EAST COAST MARINE SHELLS 75 ACMAEA TESTUDINALIS AMAENA Say. Shell oval, apex almost in middle; color yellowish gray with dark brownish stripes and a somewhat broken pattern; interior white with a large dark central area; border tessellated with white and brown. Length 35 mm. It is plentiful upon rocks exposed to surf, particularly upon the coast of Maine. The largest and finest examples in that state are taken at Eastport. South of Boston it is much smaller and less plenti- ful. American specimens are usually much larger than the typical European A. testud- inalis of Muller. PI. 30, Fig. 8 PI. 70, Figs. 2, 3 North Atlantic and Arctic Oceans, southward to Long Island Sound, , ACMAEA TESTUDINALIS ALVEUS Conrad. A very small, thin, shell with a sharp and slight- ly hooked apex; striped with brown, interi- or showing exterior pattern. Length 8 mm. This subspecies lives upon seaweed or the fronds of Zostera, exactly matching the background. PI. 29, Fig. 17 PI. 70, Figs. 7, 8 Arctic Ocean southward to Cape Cod, Massachusetts Family Fissurellidae Shell limpet-shaped, with perfora- tion or anterior slit, sometimes a notch, for passage of excretions; horseshoe- shaped impression of adductor muscle in- side shell; bilaterally symmetrical. GENUS FISSURELLA Bruguiere 1791 (LITTLE CHINK) Mantle edge of animal crenulated above and below. The development of the shell is shown in Fig. Fig. 39 Development of shell in Fissurella FISSURELLA BARBADENSIS Gmelin. Barbados Chink. Shell conical, orifice almost round or oval; about eleven of the ribs most prominent; color gray, green or pink with purplish brown blotches between the ribs. Interior with alternating green and white rings, interior orifice callus green and usually bou
Size: 2332px × 1072px
Photo credit: © The Book Worm / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bo, bookcentury1900, bookcollectionbiodiversity, bookleafnumber89
