By weight the most important species are Turritela, Melanoides, Tegillarca and Ostrea for the more recent layers; Nerita, Ostrea and Melanoides for the older layers.
22.
A study made in 2010 aimed to evaluate the " Bonamia spp . " infection status of " Ostrea stentina " in the Mediterranean Sea.
23.
During the Eocene epoch, Arkansas was home to a marine invertebrate fauna that included echinoderms, " Ostrea ", and " Turritella ".
24.
""'Ostrea compressirostra " "'is a species of prehistoric saltwater oyster, a fossil that is found in the Eastern United States.
25.
There was previously some disagreement about whether this species was distinct from " Ostrea lurida ", the Olympia oyster, a species which lives north of Baja California.
26.
However, previously, for a period of time, " Ostrea lurida " was considered to be merely a junior synonym of " Ostrea conchaphila ".
27.
However, previously, for a period of time, " Ostrea lurida " was considered to be merely a junior synonym of " Ostrea conchaphila ".
28.
During the Eocene, South Carolina was home to the corals " Coelohelia wagneriana " and " Haimesiastraea conforta " and the oyster " Ostrea arrosis ".
29.
In the United Kingdom, the native variety ( " Ostrea edulis " ) requires five years to mature and is protected by an Act of Parliament during the May to August spawning season.
30.
Extensive beds and shoals of oysters ( Ostrea lurida ) and other shellfish then lay in shallow water near the shores of San Francisco Bay and Tomales Bay and were a food source used for centuries.
