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364 American Seashells
Chlamys benedicti Verrill and Bush Benedict's Scallop
South half of Florida and the Gulf of Mexico.
Rarely over % inch in length. Very similar to sentis, but with a greater
range of colors and having 2 color variations not found in sentis (pure lemon-
yellow or mottled with chalk-white zigzag stripes). With about 22 strong
ribs alternating with weaker ribs, total about 45. Shorter ear has a sharp,
90-degree corner and bears prominent spines, while in se7itis it is more rounded
or considerably more than 90 degrees and is smoother. Hinge margin of
longer ear has small projecting scales. Color pink, pinkish red, light purple
or yellow, and commonly with pronounced whitish zigzag markings. A
moderately common species usually misidentified as young sentis or vniscosa.
Chlcniiys imbrieata Gmelin Little Knobby Scallop
Southeast Florida and the West Indies.
Plate 34f
1 to I % inches in length, but not quite so wide. Lower valve (the one
with the byssal notch) slightly convex. Upper valve almost flat and fairly
thin. Ribs 8 to 10, uncommonly with smaller cords between. They have
prominent, cup-shaped, delicate, distantly spaced scales. Color dirty-white
or pinkish with small, squarish, red or purplish blotches. Interior yellowish,
commonly with purplish stains. Moderately common.
Chlamys bastata hastata Sowerby Pacific Spear Scallop
Monterey to Newport Bay, California.
Plate 34)
2 to 1V2 inches in size; without microscopic reticulations; right valve
(with byssal notch) with about 18 to 21 primary, strongly spined ribs which
have 5 to 7 much smaller, weakly spined, secondary ribs in between left
valve with i o to 11 distantly spaced, strongly scaled primary ribs, with 1 2 to
16 very weak, beaded secondary ribs in between. This is not so common
as the subspecies hericia, and is much more colorful, commonly being bright
orange, red or lemon.
Chlamys hastata hericia Gould Pacific Pink Scallop
Alaska to San Diego, California.
Plate 34k
2 to 2% inches in size; without microscopic reticulations; right valve
(with byssal notch) with about 18 to 21 primary, moderately scaled ribs
which have 5 to 7 much smaller spined ribs between; left valve with about
10 to II primary, spined ribs which have a single, rounded, almost as large