Felaniella harfordi (Anderson, 1905)
Harford’s diplodon
Geological range: Early Miocene-Early Pliocene
Geographic distribution: Central-Southern California. Reported from the Temblor Formation (Early Miocene), Vaqueros Formation (Early Miocene), Santa Margarita Formation (Late Miocene), Topanga Formation (Middle Miocene), and Etchegoin Formation (Early Pliocene).