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OCCASIONAL PAPERS OF THE CALIFORNIA ACADEMY OF SCIENCES 
Number 159 
Remarks : Fitch (1969b) also reported otoliths of D. theta from LACMIP locality 435 (Lomita Marl, Pliocene), 
however this locality is considered Pleistocene (Blake 1991; Dibblee 1999). 
Diaphus sp.: Fitch 1969b: 11, 13, table 2, figs. 2a, b 
Referred Specimens in Fitch ( 1969b) : From: Round Mountain Silt, Middle Miocene, Kem County; one otolith 
(fig. 2a) 
From LACM locality 4286, California State Highway 178, Round Mountain Silt, Middle Miocene, Kem 
County; 261 otoliths (one figured as fig. 2b). 
Genus Lampadena Goode and Bean in Gill 1893 
Lampadena urophaos Paxton 1963 
Selected References (fossils only) 
Lampadena urophaos Paxton 1963:29. 
Lampadena urophaos Paxton: Fitch 1968:8. 
Lampadena urophaos Paxton: Fitch 1969b:3, 6-7, table 1, fig. lc. 
Lampadena urophaos Paxton: Nolf 1985:56. 
Type Specimen : Extant, Lampadena urophaos Paxton 1963:29, holotype, LACM 6843-6 (Eschmeyer 
1998:1730-1731). 
Type Locality : 5.7 mi. north of Ship Rock, Santa Catalina Island, California. 
Referred Specimens in Fitch (1968:81 : No specific specimens. He notes that otoliths of L. urophaos have been 
found in several southern California Pliocene and Pleistocene deposits. 
Referred Specimens in Nolf 11985:561 : No specific specimens. He refers to the otoliths reported by Fitch 
(1969b) from the California Pliocene. 
Remarks : Fitch (1969b:3, 6-7, table 1, fig. lc) reported otoliths of L. urophaos from LACMIP locality 435 
(Lomita Marl, Pliocene, Los Angeles County) and because this locality is now considered Pleistocene 
(Blake 1991; Dibblee 1999) and no other specific locality is known, then the presence of L. urophaos in 
the Neogene is questionable. 
Genus Lampanyctus Bonaparte 1840 
f Lampanyctus petrolifer (David 1943) 
Selected Synonymy & References 
^Lampanyctus petrolifer David 1943:62-64; text-figs. 2a, b, pi. 8, figs. 1-3. 
fLepidophanes petrolifer (David): Fitch 1969b: 14-15. 
f Lampanyctus petrolifer David: Prokofiev 2002:671-674; unnumbered fig. 
Type Specimen : f Lampanyctus petrolifer David 1943, holotype, LACM (CIT) 10166 (text-fig. 2b), right and 
left (pi. 8, fig. 2) counterparts. 
Type Locality : LACM (CIT) locality 326, Santa Monica Mountains, Modelo Formation, Late Miocene, Los 
Angeles County. 
Paratvpes (= Cotvpes) : From type locality: 27 specimens, numbers 19-39, 40 (text-fig. 12a), 41, 65-66, and 
82-83 from R.W. Frazier Collection, whereabouts unknown; LACM (CIT) 10167, left and right counter¬ 
parts; 10168, right counterpart. 
Referred Specimens in David 09431 : From LACM (CIT) locality 329, Santa Monica Mountains, Modelo 
Formation Late Miocene, Los Angeles County; one uncatalogued specimen. 
From LACM (CIT) locality 326B, Santa Monica Mountains, Modelo Formation, Late Miocene, Los 
Angeles County; several uncatalogued specimens. 
From type locality: LACM (CIT) 10097 (pi. 8, fig. 1), right counterpart; 10098, right counterpart. 
Referred Specimens in Fitch 11969b: 14-15k Examined only the type material (presumably both the holotype 
and paratypes). 
