Clementia (Egesta) pertenuis (Gabb, 1866)
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Geological range: Late Oligocene-Late Miocene
Geographic distribution: Southern California. Reported from the Jewett Sand Formation (Early Miocene, California), Monterey Formation (Late Miocene), Rincon Formation (Late Oligocene), Sespe Formation (Early Miocene), Temblor Formation (Early Miocene, California), Topanga Formation (Middle Miocene, California), and Vaqueros Formation (Early Miocene, California).
