LOWER CRETACEOUS DEPOSITS CALIFORNIA AND OREGON

361 loweb. chetaceous deposits in california and oregon
PLATE 55.—CRETACEOUS FOSSILS FROM CALIFOHKIA
(1) Critmeras latum. Gabb. Holotype. Greatest diameter of whorl, as figured,
125 mm.; thickness of whorl, 39 mm. Holotype from the Museum of Paleontology,
University of California. Upper part of Paskenta Group; probably from near
Loc. 1601 (C. A. S.), Clements ranch, Trinity County, p. 200.
(2) CriotetM duneancnae nov. Holotype. A fragment of an inner coil. Greatest
diameter, 33 mm.; thickness of whorl, 11mm. Middle part of the Paskenta
Loc. 1665 (C. A. S.), Duncan Creek, Shasta County, p. 200.
(3-0) Phijtloceras triniiense nov. (3, 4) Plaster east of holotype. Greatest
diameter, 52 mm.; thickness of whorl, 24 mm. Upper part of the Paskenta Group;
Loc. 1691 (C. A. S.), Clements Ranch, Redding Creek, Trinity County. (5, &) Examples
from, near Riddle, Oregon, Probably upper part of the Paskenta Group.
(5) Mature shell. (6) Young shell of same species, p. 140.