Until recently there was some confusion as to whether this more southern oyster species might in fact be the same species as " Ostrea lurida ", the well-known but more northerly " Olympia oyster ", which it resembles in shell size and color.
12.
Characteristics of the La Jolla Complex include handstones and basin or slab millingstones ( manos and metates ), rough percussion-flaked stone edge tools, flexed burials, and extensive exploitation of shellfish, particularly venus clam ( " Chione " spp . ), scallop ( " Argopecten aequisulcatus " ), mussel ( " Mytilus californianus " ), and oyster ( " Ostrea lurida " ).
