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Ostreoidea is a taxonomic superfamily of bivalve marine mollusc, sometimes simply identified as oysters, [1] containing two families. The ostreoids are characterized in part by the presence of a well developed axial rod. [2] Anal flaps are known to exist within the family Ostreidae but not within the more-primitive Gryphaeidae. [3]
Oysters influence nutrient cycling, water filtration, habitat structure, biodiversity, and food web dynamics. [26] Oyster reef habitats have been recognized as green infrastructure for shoreline protection. [27] Assimilation of nitrogen and phosphorus into shellfish tissues provides an opportunity to remove these nutrients from the water column.
The order Ostreida includes the true oysters. One superfamily ( Ostreoidea ) and two extant families are recognised within it. The two families are Ostreidae , the true oysters, and Gryphaeidae , the foam oysters.
The Ostreidae, the true oysters, include most species of molluscs commonly consumed as oysters. Pearl oysters are not true oysters, and belong to the order Pteriida. Like scallops, true oysters have a central adductor muscle, which means the shell has a characteristic central scar marking its point of attachment. The shell tends to be irregular ...
Crassostrea rhizophorae, also known as the mangrove cupped oyster, is a species of bivalve in the family Ostreidae. [1] [2] C. rhizophorae is one of the predominant oyster species in the South Atlantic, specifically in Central and South America. [1] [3] It is often found in the vast mangrove ecosystem along the coast of Brazil. [1]
Ostrea lurida, common name the Olympia oyster, after Olympia, Washington in the Puget Sound area, is a species of small, edible oyster, a marine bivalve mollusk in the family Ostreidae. This species occurs on the northern Pacific coast of North America .
Crassostrea is a genus of true oysters (family Ostreidae) [2] containing some of the most important oysters used for food. The genus was recent split in WoRMS, following the DNA-based phylogenies of Salvi et al. (2014 and 2017). Pacific species were moved to a new genus Magallana. C. zhanjiangensis became Talonostrea zhanjiangensis. [3]
Saccostrea glomerata is an oyster species belonging to the family Ostreidae. [5] It is endemic to Australia and New Zealand. [6] [7] In Australia, it is known as the Sydney rock oyster and is commercially farmed. In New Zealand, where the species is no longer farmed, it is known as the New Zealand rock oyster or Auckland oyster.