Mactridae

Source: Wikipedia, the free encyclopedia.

Mactridae
Temporal range: Cretaceous to Present
Shell of Spisula solida
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Mollusca
Class: Bivalvia
Order: Venerida
Superfamily: Mactroidea
Family: Mactridae
Lamarck
, 1809
Genera

See text.

Mactridae,

mollusks in the order Venerida
.

Description

These clams have two short siphons, each with a horny sheath. The shell is shaped like a rounded-cornered equilateral triangle and there is a slight gape at the posterior. Each valve bears two cardinal teeth with four lateral teeth on the right valve and two on the left. The foot is white and wedge-shaped. They mostly inhabit the neritic zone.[1]

Ecology

Trough shells burrow in

fine gravel and never in muddy substrates.[1]

Genera

Mactra stultorum
Lutraria lutraria

According to the World Register of Marine Species (2012), this family contains 37 genera:[2]

References

  1. ^
    UK
    ): Collins. p. 156.
  2. Bouchet, Philippe (2012-03-23). "Mactride Lamarck, 1809". WoRMS. World Register of Marine Species
    . Retrieved 2017-01-25.
  3. ^ a b c d e f g h i j k l Scott, Paul V. "Mactridae". Integrated Taxonomic Information System.
  4. .
  5. ^ Coan, E. V.; Valentich-Scott, P. (2012). Bivalve seashells of tropical West America. Marine bivalve mollusks from Baja California to northern Peru. pp. 2 vols, 1258 pp.