Biology:Dilemma (bivalve)

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Short description: Genus of bivalves


Dilemma
Scientific classification e
Domain: Eukaryota
Kingdom: Animalia
Phylum: Mollusca
Class: Bivalvia
Superorder: Anomalodesmata
Superfamily: Poromyoidea
Family: Poromyidae
Genus: Dilemma
Leal, 2008
Species

4 species (see text)

Dilemma is a genus of marine bivalves of the family Poromyidae.[1] The genus is remarkable for encompassing predators of isopods and ostracods, unusual for sessile molluscs.[2] One species is known from the western Atlantic Ocean (Straits of Florida) and three from across the Pacific. Specimens have been found at depths between 229–961 m (751–3,153 ft).[2][3] The name of the genus refers to the dilemma that the author of the new genus faced while diagnosing it.[2]

Species

There are four species:[1]

  • Dilemma frumarkernorum Leal, 2008[2]
  • Dilemma inexpectatum (Crozier, 1966)
  • Dilemma japonicum Sasaki & Leal, 2008[3]
  • Dilemma spectralis Leal, 2008[2]

References

Wikidata ☰ Q5276749 entry