Ostrea
Encyclopedia
Ostrea is a genus of oyster
Oyster
The word oyster is used as a common name for a number of distinct groups of bivalve molluscs which live in marine or brackish habitats. The valves are highly calcified....

 in the family Ostreidae
Ostreidae
Ostreidae are the true oysters, and include most species that are commonly eaten under the name oyster. Pearl oysters are not true oysters and belong to the distinct order Pterioida....

. Evidence of a number of species of this genus in the geological fossil record demonstrates the ancient nature of this genus, and also gives testimony to the species that co-existed with members of the Ostrea genus. At least one species within this genus, Ostrea lurida
Ostrea lurida
Ostrea lurida is a species of oyster that occurs on the Pacific coast of North America. This bivalve is approximately in length. The shell can be rounded or elongated and is white to purplish black and may be striped with yellow or brown...

has been recovered in archaeological excavations along the Central California
Central California
Central California, sometimes referenced as Mid-State, is an area of California south of the San Francisco Bay Area and north of Southern California...

 coast of the Pacific Ocean
Pacific Ocean
The Pacific Ocean is the largest of the Earth's oceanic divisions. It extends from the Arctic in the north to the Southern Ocean in the south, bounded by Asia and Australia in the west, and the Americas in the east.At 165.2 million square kilometres in area, this largest division of the World...

, demonstrating it was a marine taxon exploited by the Native American
Native Americans in the United States
Native Americans in the United States are the indigenous peoples in North America within the boundaries of the present-day continental United States, parts of Alaska, and the island state of Hawaii. They are composed of numerous, distinct tribes, states, and ethnic groups, many of which survive as...

 Chumash people.

Species in the genus Ostrea

  • Ostrea angasi
    Ostrea angasi
    The southern mud oyster or native flat oyster, Ostrea angasi, is endemic to southern Australia, ranging from Western Australia to southeast New South Wales and around Tasmania.-Diet:...

    Sowerby, 1871 - Southern mud oyster or Native flat oyster
  • Ostrea conchaphila
    Ostrea conchaphila
    Ostrea conchaphila, Olympia Oyster, is a species of bivalve in the Ostreidae family.- Distribution and conservation status :It is found in Canada....

    (Carpenter
    Phillip Pearsall Carpenter
    Philip Pearsall Carpenter Rev. Dr. , who in 1841, was ordained Presbyterian minister in England, and a Doctorate of Philosophy in 1860, and whose field work as a malacologist or conchologist in North America is still well regarded today...

    , 1857)
  • Ostrea cristata (Born, 1778)
  • Ostrea denselamellosa (Lischke, 1869)
  • Ostrea digitalina
  • Ostrea edulis (Linnaeus, 1758) - Edible oyster or Belon oyster
    Belon oyster
    Ostrea edulis is a species of oyster native to Europe and commonly known as the European flat oyster, Colchester native oyster, mud oyster, or edible oyster . When mature O. edulis adults range from across...

  • Ostrea equestris (Say
    Thomas Say
    Thomas Say was an American naturalist, entomologist, malacologist, herpetologist and carcinologist. A taxonomist, he is often considered to be the father of descriptive entomology in the United States. He described more than 1,000 new species of beetles and over 400 species of insects of other...

    , 1834)
    - Crested oyster
  • Ostrea gryphoides
  • Ostrea lurida
    Ostrea lurida
    Ostrea lurida is a species of oyster that occurs on the Pacific coast of North America. This bivalve is approximately in length. The shell can be rounded or elongated and is white to purplish black and may be striped with yellow or brown...

    (Carpenter
    Phillip Pearsall Carpenter
    Philip Pearsall Carpenter Rev. Dr. , who in 1841, was ordained Presbyterian minister in England, and a Doctorate of Philosophy in 1860, and whose field work as a malacologist or conchologist in North America is still well regarded today...

    , 1864)
  • Ostrea megadon (Hanley, 1846)
  • Ostrea sandvicensis
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