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 and Matsumoto 1959
Sister taxa: Collignoniceras bravaisianum, Collignoniceras carolinum, Collignoniceras jorgenseni, Collignoniceras percarinatum, Collignoniceras praecox, Collignoniceras vermilionense, Collignoniceras woollgari, Selwynoceras mexicanum, Prionotropis hiltensis, Prionotropis caurinus
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.
Ecology: fast-moving nektonic carnivore
Average measurements (in mm): shell diameter 130.0
Distribution: found only at CAS loc. 455, Henley (Fagesia siskiyounensis horizon)
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.