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Rheumaptera undulata, the scallop shell, is a moth of the family Geometridae. It was first described by Carl Linnaeus in his 1758 10th edition of Systema Naturae. It is found in most of the Palearctic realm and North America. [1] [2] [3] The wingspan is 25–30 mm. The ground colour of the forewings is pale.
Colors are close to those in an actual animal (digestive gland is black; adductor muscle is white; female gonad is orange, nerves are in yellow, etc.) though shown with greater than natural contrast for emphasis. Not shown are the left gill, the veins on the left side of the body, and the left shell or "valve". The hinge line corresponds to the ...
Rheumaptera prunivorata, the cherry scallop shell or Ferguson's scallop shell, is a moth of the family Geometridae. The species was first described by Alexander Douglas Campbell Ferguson in 1955. It is found in North America from New Brunswick , Quebec and Ontario in Canada, through the eastern parts of the United States, down to Georgia .
Mimachlamys varia, also known under common names variegated scallop [1] [2] [3] and black scallop, [4] is a species of small scallop, a marine bivalve mollusk in the family Pectinidae, the scallops. It occurs in the North Sea, the English Channel, the eastern Atlantic Ocean, and the Mediterranean Sea. [1] [2] [3] [5]
Mimachlamys asperrima has a shell which can reach an adult size of 11 centimetres (4.3 in). [4] Like almost all scallops, the shell is fan-shaped and composed of two valves, each of which is convex and has broad ribs. The ribs radiate from the umbo, the rounded protuberance near the hinge. Again, like all scallops, beside the hinge are two ...
The shell near the hinge is extended into "ears", as is the case in all scallops. The shell of the Atlantic calico scallop has about 20 radial ribs, which are sometimes roughened by growth lines. The exterior coloration of the upper (left) valve of this species is most typically a mottled pattern of purple on a cream background.
The pink scallop can be distinguished from its close relative the spiny scallop (Chlamys hastata) by the valves being rather more rounded and by the lack of spines on the ribs which gives it a smooth texture. The glossy white interior of the shell does not have the purplish markings that are sometimes present in the spiny scallop. [2]
The rough scallop, Aequipecten muscosus, grows up to 1.75 in (4.4 cm). It has a small, scallop-shaped shell with about 20 strong ribs which have many erect scales or small spines near the margin. It has a small, scallop-shaped shell with about 20 strong ribs which have many erect scales or small spines near the margin.