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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. Over the years the role of this edible species of oyster has been partly displaced by the ...
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 ...
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Louisiana's ecology is in a land area of 51,840 square miles (134,264 km 2); the state is 379 miles (610 km) long and 130 miles (231 km) wide and is located between latitude: 28° 56′ N to 33° 01′ N, and longitude: 88° 49′ W to 94° 03′ W, with a humid subtropical climate (Köppen climate classification Cfa).
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] The scar from the adductor muscle is simple, with a single, central scar. [4] In the majority, the right valve is less convex than the left. [5]
Although molecular studies suggest that Ostrea first appeared around the Eocene and originated no earlier than the Cretaceous, paleontologists have historically applied the genus to almost all fossil oysters from the Permian onward, many of which are only superficially similar to extant Ostrea. [1]
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]
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]