Suplee-Izee region, Graylock Fm. B6923 (Jurassic of the United States)

Where: Oregon (44.1° N, 119.4° W: paleocoordinates 22.5° N, 57.7° W)

• coordinate estimated from map

When: Morganense ammonoid zone, Graylock Formation, Hettangian (201.3 - 199.3 Ma)

Environment/lithology: carbonate

Size class: macrofossils

Preservation: cast

Primary reference: D. Taylor. 1988. Paradiscamphiceras : un nouveau genre d'ammonites du Lias inférieur. Bulletin de la Société Vaudoise des Sciences Naturelles 79(2):117-122 [J. Pálfy/E. Kovács/E. Kovács]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 201166: authorized by József Pálfy, entered by Emma Kovács on 02.05.2019

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Cephalopoda
 Ammonitida - Psiloceratidae
Discamphiceras silberlingi
Discamphiceras silberlingi Guex 1980 ammonite
 Ammonitida - Schlotheimiidae
"Sulciferites sp." = Angulaticeras
"Sulciferites sp." = Angulaticeras Quenstedt 1882 ammonite
 Ammonitida - Arietitidae
Gonioptychoceras sp., Pseudaetomoceras sp., Vermiceras sp., Vermiceras morganense
Gonioptychoceras sp. Lange 1941 ammonite
Vermiceras sp. ammonite
 Ammonitida - Lytoceratidae
Eolytoceras sp.
Eolytoceras sp. Frebold 1967 ammonite
 Phylloceratida - Juraphyllitidae
Nevadaphyllites compressa, Paradasyceras aff. uermosense, Juraphyllites sp.
Juraphyllites sp. Müller 1939 ammonite