Noetiidae is a
family
Family (from la, familia) is a Social group, group of people related either by consanguinity (by recognized birth) or Affinity (law), affinity (by marriage or other relationship). The purpose of the family is to maintain the well-being of its ...
of saltwater clams,
marine
Marine is an adjective meaning of or pertaining to the sea or ocean.
Marine or marines may refer to:
Ocean
* Maritime (disambiguation)
* Marine art
* Marine biology
* Marine debris
* Marine habitats
* Marine life
* Marine pollution
Military
* ...
bivalve
Bivalvia (), in previous centuries referred to as the Lamellibranchiata and Pelecypoda, is a class of marine and freshwater molluscs that have laterally compressed bodies enclosed by a shell consisting of two hinged parts. As a group, bival ...
mollusc
Mollusca is the second-largest phylum of invertebrate animals after the Arthropoda, the members of which are known as molluscs or mollusks (). Around 85,000 extant species of molluscs are recognized. The number of fossil species is esti ...
s in the order
Arcida
The Arcida is an extant order of bivalve molluscs. This order dates back to the lower Ordovician period. They are distinguished from related groups, such as the mussels, by having a straight hinge to the shells, and the adductor muscles being ...
. They are related to the
ark clam
Ark clam is the common name for a family of small to large-sized saltwater clams or marine bivalve molluscs in the family Arcidae. Ark clams vary both in shape and size. They number about 200 species worldwide.
The shells of ark clams are of ...
s and used to be classified as among them. They are differentiated from the ark clams by the presence of
striation
Striations means a series of ridges, furrows or linear marks, and is used in several ways:
* Glacial striation
* Striation (fatigue), in material
* Striation (geology), a ''striation'' as a result of a geological fault
* Striation Valley, in Anta ...
s on the hinge
ligament
A ligament is the fibrous connective tissue that connects bones to other bones. It is also known as ''articular ligament'', ''articular larua'', ''fibrous ligament'', or ''true ligament''. Other ligaments in the body include the:
* Peritoneal li ...
and on the placement of this ligament. Like the ark clams, however, their shells range from ovate to elongate, are inflated, and are brown and white with clear radial ribs. They usually grow to around 6 cm in length, with a maximum of 10 cm.
Genera and species
Genera and species within the family Noetidae include:
* ''
Arcopsis''
Koenen, 1885
** ''Arcopsis adamsi''
(Dall, 1886)
** ''Arcopsis fossularca''
** ''Arcopsis gabinarca''
** ''Arcopsis mulinarca''
** ''Arcopsis ribriarca''
** ''Arcopsis scapularca''
** ''Arcopsis solida''
(Sowerby, 1833)
** ''Arcopsis spinearca''
** ''Arcopsis verilarca''
* ''
Estellacar''
Iredale, 1939
* ''
Noetia''
Gray, 1857
** ''Noetia alssoni''
** ''Noetia bisulcata''
** ''Noetia delgada''
(Lowe, 1935)
** ''Noetia lindae''
** ''Noetia ponderosa''
(Say, 1822)
** ''Noetia reversa''
(Sowerby, 1833)
* ''
Noetiella''
** ''Noetiella congoensis''
* ''
Rectangularca''
* ''Scapularca''
* ''Scelidionarca''
* ''Sheldonella''
** ''Sheldonella barbatiella''
** ''Sheldonella didimacar''
** ''Sheldonella minutalis''
** ''Sheldonella paranoetia''
* ''Stenocista''
** ''Stenocista gambiensis''
* ''
Striarca''
** ''Striarca afra''
** ''Striarca breviarca''
** ''Striarca estellacar''
** ''Striarca galactella''
** ''Striarca lactea''
** ''Striarca pectunculiformis''
* ''Trigonodesma''
* ''Trinacria''
* ''
Verilarca''
** ''Verilarca sinensis''
References
Bivalve families
{{bivalve-stub