Arca imbricata

Arca imbricata
Scientific classification
Kingdom: Animalia
Phylum: Mollusca
Class: Bivalvia
Order: Arcoida
Family: Arcidae
Genus: Arca
Species: A. imbricata
Binomial name
Arca imbricata
Bruguière, 1789 [1]

Arca imbricata, or the mossy ark clam, is a clam in the family Arcidae. It can be found along the Atlantic coast of North America, ranging from North Carolina to the West Indies, Brazil, and Bermuda.[2]

Description

Arca imbricata grows to about 2 ins (5 cm) in length. The valves have a roughly rectangular shape with a rounded anterior end and a slightly pointed posterior end. They are usually purplish-white in colour, but live specimens are covered in a thin brown protective periostracum. There are some distinct ribs on the posterior end and the margin is smooth. The hinge is long and straight with a number of fine teeth.[3]

References

  1. ^ Arca imbricata Bruguière, 1789 World Register of Marine Species. Retrieved 2011-11-29.
  2. ^ Abbott, R.T. & Morris, P.A. A Field Guide to Shells: Altantic and Gulf Coasts and the West Indies. New York: Houghton Mifflin, 1995. 7.
  3. ^ Mossy Ark: Born to Shag Retrieved 2011-11-29.