First Canyon, Shoshone Mountains (Canadensis zone) (Jurassic of the United States)

Where: Lander County, Nevada (38.8° N, 117.6° W: paleocoordinates 19.8° N, 55.8° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: rursicostatum ammonoid zone, Ferguson Hill Member (Sunrise Formation), Angulata (201.3 - 196.5 Ma)

• bed-level stratigraphic resolution

Environment/lithology: marine; lithified limestone

Size class: macrofossils

Reposited in the CAS

Primary reference: D. G. Taylor. 1998. Late Hettangian-early Sinemurian (Jurassic) ammonite biochronology of the western Cordillera, United States. Geobios 31:467-497 [M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 157504: authorized by Matthew Clapham, entered by Matthew Clapham on 22.06.2014

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Cephalopoda
 Phylloceratida - Juraphyllitidae
Nevadaphyllites microumbilicatus n. sp.
Nevadaphyllites microumbilicatus n. sp. Taylor 1998 ammonite
 Ammonitida - Arietitidae
Pseudaetomoceras shoshonense n. sp., Paracaloceras concavum n. sp.
Pseudaetomoceras shoshonense n. sp. Taylor 1998 ammonite
Paracaloceras concavum n. sp. Taylor 1998 ammonite
 Ammonitida - Lytoceratidae
Eolytoceras artemisia n. sp., Eolytoceras guexi n. sp.
Eolytoceras artemisia n. sp. Taylor 1998 ammonite
Eolytoceras guexi n. sp. Taylor 1998 ammonite