Harman Patil (Editor)

Ostreoidea

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Kingdom
  
Subclass
  
Higher classification
  
Ostreoida

Phylum
  
Order
  
Ostreoida

Rank
  
Superfamily

Ostreoidea httpsuploadwikimediaorgwikipediacommonsthu

Lower classifications
  
Gryphaea, Rhynchostreon suborbiculatum

Ostreoidea is a taxonomic superfamily of bivalve marine mollusc, sometimes simply identified as oysters, containing two families. The ostreoids are characterized in part by the presence of a well developed axial rod. Anal flaps are known to exist within the family Ostreidae but not within the more-primitive Gryphaeidae. The scar from the adductor muscle is simple, with a single, central scar. In the majority, the right valve is less convex than the left.

References

Ostreoidea Wikipedia


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