Suplee-Izee region, Graylock Fm. B6924 (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 200710: authorized by József Pálfy, entered by Emma Kovács on 15.04.2019

Creative Commons license: CC BY (attribution)

Taxonomic list

Cephalopoda
 Ammonitida - Psiloceratidae
Paradiscamphiceras dickinsoni Taylor 1988 ammonite
 Ammonitida - Arietitidae
Gonioptychoceras sp. Lange 1941 ammonite
 Ammonitida - Schlotheimiidae
"Sulciferites sp." = Angulaticeras
"Sulciferites sp." = Angulaticeras Quenstedt 1882 ammonite
 Ammonitida - Lytoceratidae
Eolytoceras sp. Frebold 1967 ammonite
 Phylloceratida - Juraphyllitidae