Forty-nine mine, south of Phoenix (Cenomanian blocks) (Cretaceous of the United States)

Where: Jackson County, Oregon (42.3° N, 122.8° W: paleocoordinates 43.4° N, 82.4° W)

• coordinate estimated from map

• small collection-level geographic resolution

When: Late/Upper Cenomanian (99.6 - 93.5 Ma)

• Conglomerate with numerous sandstone blocks containing Cenomanian and Turonian fossils

• bed-level stratigraphic resolution

Environment/lithology: marine; lithified siliciclastic sediments

Size class: macrofossils

Collected by E.L. Packard; reposited in the CAS

Primary reference: F. M. Anderson. 1958. Upper Cretaceous of the Pacific Coast. Geological Society of America Memoir 71:1-378 [A. Miller/A. Hendy/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 158126: authorized by Matthew Clapham, entered by Matthew Clapham on 15.07.2014

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Cephalopoda
 Ammonitida - Acanthoceratidae
Mantelliceras phoenixense n. sp., "Mantelliceras oregonense n. sp." = Calycoceras (Calycoceras) naviculare
Mantelliceras phoenixense n. sp. Anderson 1958 ammonite
"Mantelliceras oregonense n. sp." = Calycoceras (Calycoceras) naviculare Mantell 1822 ammonite