LOWER CRETACEOUS DEPOSITS CALIFORNIA AND OREGON

274 LOWER CRETACEOUS DEPOSITS 1ST CALIFORNIA AND OREGON
PLATE 29.—CnETAczoira FOSSILS FHQII CALIFORNIA
(1) Neacomilea jenkinsi nov. Holotype. Greatest diameter, 110 mm.; thickness
of whorl, 23 mm. "Zone X", Paskenta Group; McCarthy Creek, 3 miles north of
Paakenta, Tehama County, p. 165.
(2) Neocomitea stippi nov. Holotype; east of one-fourth of the outer whorl,
partly septate. Greatest diameter (eat.), 105 mm.; thickness of whorl, 21 mm.
"Zone M", Paakenta Group; McCarthy Creek, 3 miles north of Paskenta, Tehama
County, p. ISC.
(3-6) Thurmannia patkmtae nov, (3, 4) aide and top viewe of holotype, natural
size. (5, 6) Side and top views of parity pe, enlarged two diameters. "Zone N",
Paskenta Group; McCarthy Creek, 3 miles north of Paskenta, Tehama County,
p. 162.
(7-9) Au.eal!a nuciformis Pavlow. Examples from "Zone N", Paakenta Group;
McCarthy Creek, 3 miles north of Paskenta, Tehama County. (7) Right valve.
(8, 9) Left valve; back and front views, p. 106.
(10) Bachianitet paskentaen&is nov. Holotype. Length, 67 mm,[ greatest
diameter, 7 mm. "Zone M,", Paskenta Group; Wilcox ranch, 5 miles north of
Paakenta, Tehama County, p. 167,