download pdf

SANGUINOLARIIDAE 439
a purple flush, and with a strong splotch of purple at each end of the dorsal
margin. Common in shallow waters of bays along the shore.
Genus Iphigenia Schumacher 1817
Iphigenia brasiliensis Lamarck Giant False Donax
South half of Florida and the West Indies.
Plate 32U
2 to 2/4 inches in length, rather heavy, elongate, roughly diamond-
shaped in side view and moderately inflated. Posterior dorsal slope flattish.
Exterior smoothish, cream with a purple-stained beak area. Commonly entirely
covered with a thin, glossy, brown periostracum. Moderately common
in shallow water in sand.
Family SANGUINOLARIIDAE
Genus Sangiiinolaria Lamarck 1799
Sangiiinolaria cruenta Solander Atlantic Sanguin
South Florida, the Gulf States and the West Indies.
Plate 4od
I % to 2 inches in length, moderately compressed, the left valve slightly
flatter than the right. With a slight posterior gape. Exterior glossy, smooth,
except for minute concentric scratches. Pallial sinus with a U-shaped hump
at the top. Color white with the beaks and area below a bright-red which
fades ventrally into white. Uncommon in the West Indies, rare in Florida.
5. sanguinolenta Gmelin is a later name for this species.
Subgenus Nuttallia Dall 1898
Sanguinolaria mittalli Conrad Nuttall's Mahogany Clam
Monterey, California, to Lower California.
Plate 29X
2% to 3% inches in length. A handsome species characterized by its
smooth, oval form, glossy nut-brown color, with its right valve almost flat
and its left valve inflated. External ligament like a brown leather button.
Interior whitish, commonly with rosy or purplish blush. Common near estu-
aries in 6 to 8 inches of mud.
Genus Asaphis Modeer 1793
Asaphis deflorata Linne Gaudy Asaphis
Southeast Florida and the West Indies.
Plate 40a