pivotilla
Pivotilla is a genus of marine bivalve mollusks belonging to the family Veneridae. These clams are characterized by their relatively small, equivalve, and inflated shells, which are typically rounded to ovate in shape. The surface of the shell often exhibits concentric growth lines and may be smooth or bear fine radial striations. The color of the shell can vary, ranging from white to gray or brown, sometimes with subtle patterns or markings.
The genus Pivotilla is found in various marine environments, primarily in temperate and tropical waters. They
Reproduction in Pivotilla follows the typical pattern for bivalves, involving external fertilization with females releasing eggs