Poromyidae
# Poromyidae

Poromyidae is a family of saltwater clams, marine bivalve molluscs in the order Anomalodesmata. The genus Dilemma, described in 2008, is remarkable for being a predator of copepods, which is very unusual for a sessile mollusc.

## Genera and species

Genera and species within the family Poromyidae include:

* Cetomya Dall, 1889
* Dermatomya Dall, 1889
   * Dermatomya buttoni Dall, 1916
   * Dermatomya mactroides (Dall, 1889)
* Dilemma Leal, 2008
* Lissomya Krylova, 1997
* Poromya Forbes, 1844
   * Poromya albida Dall, 1886
   * Poromya beringiana (Dall, 1916)
   * Poromya elongata Dall, 1886
   * Poromya granulata (Nyst and Westendorp, 1839)
   * Poromya houbricki Bernard, 1989
   * Poromya laevis E. A. Smith, 1885
   * Poromya leonina (Dall, 1916)
   * Poromya malespinae (Ridewood, 1903)
   * Poromya neaeroides Sequenza, 1876
   * Poromya neozelanica (Dell, 1956)
   * Poromya rostrata Rehder, 1943
   * Poromya tenuiconcha (Dall, 1913)
   * Poromya tornata (Jeffreys, 1876)
   * Poromya trosti Strong and Hertlein, 1937
