Collignoniceras klamathensis Anderson 1958

Cephalopoda - Ammonitida - Collignoniceratidae

Alternative combination: Fagesia klamathensis

Full reference: F. M. Anderson. 1958. Upper Cretaceous of the Pacific Coast. Geological Society of America Memoir 71:1-378

Belongs to Collignoniceras according to D. A. A. Mertz 2017

See also Anderson 1958

Sister taxa: Collignoniceras bravaisianum, Collignoniceras carolinum, Collignoniceras jorgenseni, Collignoniceras percarinatum, Collignoniceras praecox, Collignoniceras vermilionense, Collignoniceras woollgari, Prionotropis caurinus, Prionotropis casperi, Prionotropis hiltensis, Selwynoceras mexicanum

Type specimen: CAS 455.01, a shell. Its type locality is CAS loc. 455, Henley (Fagesia siskiyounensis horizon), which is in a Turonian marine siliciclastic in California.

Average measurements (in mm): shell diameter 130.0

Distribution: found only at CAS loc. 455, Henley (Fagesia siskiyounensis horizon)

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