58 
« 
SANTA MARIA OIL DISTRICT, CALIFORNIA. 
The beds at horizon a are of marine origin, are probably upper Mio¬ 
cene in age, and correspond in a general way to Fairbanks’s Santa 
Margarita and Pismo formations. Those at horizons b, c, d, and e are 
of marine origin, are closely related, belong at the base of the Pliocene, 
and are in a general way the equivalents of the middle Purisima 
and lower and upper San Diego formations. At horizon / are beds 
of fresh-water origin, probably representing Fairbanks’s Paso Robles 
formation and Lawson’s marine Merced formation. 
The following is a list of the fossils obtained from the Fernando: 
Fernando {upper Miocene-Pliocene-Pleistocene) fossils from the Santa Maria district , 
California. 
O 
r V 
t-H 
TT 
rr 
co 
r- 
rr 
rf 
r- 
»o o 
rr ^ 
Tf TT 
. 
r- 
GO 
tO 
GO 
CO 
GO 
! oo 
00 1 00 
rji 1 
00 
o 
C§ 
rr 
TT 
r-H 
'M 
05 
Tt< 
O 
to 
rf 
CO 
<M 
iO 
TT 
Actseon sp . 
... 
X 
Amphissa (?) sp 
X 
X 
X 
Angulus sp . 
Area sp. a. . 
... 
Area sp. indet. 
X 
X 
... 
Area trilineata Conrad (PI. XXIV, 
fig. 5). 
X 
X 
X 
X 
X 
X 
X 
X 
X 
X 
X 
Astyris richthofeni Gabb (PI. XXIV, 
fig. 3). 
, 
X 
X 
X 
X 
Balanus cf. concavus Bronn. 
i- 
Bathytoma carpenteriana Gabb var. 
fernandoana Arnold (PI. XXIII, 
fig. 7). 
Bathytoma cf. tryoniana Gabb. 
X 
X 
X 
X 
X 
X 
X 
| 
Bittium arnoldi Bartsch. 
Bittium casmaliaensis Bartsch. 
Cadulus fusiformis Sharp and Pils- 
bry (PI. XXI, fig. 8). 
Calliostoma sp. indet. 
X 
Callista subdiaphana Carpenter. 
X 
X 
X 
X 
X 
X 
X 
X 
Cancellaria sp. a. 
Cancellaria crawfordiana Dali var. 
fugleri Arnold (PI. XXI, fig. 9). 
Cardium meekianum Gabb. 
X 
X 
Cardium sp. indet. 
X 
Chione sp. 
X 
Chlorostoma (?) sp. 
X 
Chrysodomus sp. T. 
X 
X 
Clidiophora punctata Carpenter (PI. 
XXIII, figs. 2, 3). 
Crepidula princeps Conrad (PI. XXIV, 
figs. 1, 2). 
X 
... 
X 
X 
X 
X 
X 
X 
— 
X 
X 
Crucibulum spinosum Sowerby. 
Cryptomya ovalis Conrad (PI. XXII, 
fig. 7). 
X 
X 
x 
X 
X 
X 
X 
Cumingia californica Conrad (PI. 
XXIII, fig. 5). 
Dosinia ponderosa Gray (PI. XXII, 
fig. 8). 
X 
... 
X 
X 
Drillia graciosana Arnold (PI. XXI, 
fig. 18) . 
X 
Drillia johnsoni Arnold (PI. XXI, 
fig. 13). 
X 
X 
Drillia waldorfensis Arnold (PI. XXI, 
fig. 12). 
Echinarachnius ashleyi Merriam (PI. 
XXIV, figs. 6, 7). 
X 
X 
... 
X 
X 
Echinarachnius cf. excentricus Esch- 
scholtz var. (PI. XXIV, fig. 8). 
X. 
X 
Fusus sp. a. 
X 
X 
Fusus sp. b. 
X 
X 
X 
X 
Galerus~inornatus Gabb. 
X 
X 
Glycymeris cf. barbarensis Conrad ... 
X 
... 
Kennerlia(?) sp. 
X 
X 
X 
X 
X 
Ledaorcutti Arnold (PL XXII, fig. 9). 
X 
X 
Leda taphria Dali (PI. XXII, figs. 3a, 
3b). 
Lucapina cf. crenulata Sowerby. 
X 
X 
I 
Lunatia lewisii Gould (PI. XXI, fig. 3) 
• mm 
X 
... 
X 
X 
... 
1 
I i 
