Hyalopecten is a genus

Genus

In biology, a genus is a low-level taxonomic rank used in the biological classification of living and fossil organisms, which is an example of definition by genus and differentia...

 of marine

Marine (ocean)

Marine is an umbrella term. As an adjective it is usually applicable to things relating to the sea or ocean, such as marine biology, marine ecology and marine geology...

 bivalve

Bivalvia

Bivalvia is a taxonomic class of marine and freshwater molluscs. This class includes clams, oysters, mussels, scallops, and many other families of molluscs that have two hinged shells...

 mollusks.

The placement of the genus Hyalopecten is currently uncertain. Habe included Hyalopecten within the subfamily Camptonectinae. However, Hyalopecten lacks antimarginal microsculpture, which is a key characteristic of Camptonectinae. Some authors consider Ciclopecten Seguenza, 1877 to be a senior synonym

Synonym (taxonomy)

In scientific nomenclature, a synonym is a scientific name that is or was used for a taxon of organisms that also goes by a different scientific name. For example, Linnaeus was the first to give a scientific name to the Norway spruce, which he called Pinus abies...

, however Ciclopecten has antimarginal microsculpture.

Species and their Distribution

• Hyalopecten frigidus (Jensen, 1904) - North Atlantic and Arctic Ocean
• Hyalopecten hadalis (Knudsen, 1970) - Kermadec Trench
• Hyalopecten mireilleae Dijkstra, 1995 - Eastern New Caledonia to the New Hebrides
• Hyalopecten neoceanicus (Dall, 1908) - Eastern Pacific coast from Oregon to northern Peru, including the Galapagos Islands
• Hyalopecten profundicola (Okutani, 1962) - Aogashima Island, Japan
• Hyalopecten pudicus (E. A. Smith, 1885) - Northern Atlantic to the Antarctic

= fragilis Jeffreys, 1876

= undatus Verrill & Smith in Verrill, 1885

= dilectus Verrill & Bush in Verrill, 1898

• Hyalopecten strigillatus (Dall, 1889) - Gulf of Mexico to northern Brazil
• Hyalopecten tydemani (Dijkstra, 1990) - Indonesia