Star Canon near mill, Humboldt (Triassic of the United States)

Where: Nevada (40.5° N, 118.1° W: paleocoordinates 17.2° N, 53.7° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: kerri ammonoid zone, Dun Glen Formation, Lacian (221.5 - 215.6 Ma)

• Stratigraphic information from Sandy & Stanley (1993)

• group of beds-level stratigraphic resolution

Environment/lithology: lithified limestone

Size class: macrofossils

Collected by R. Homfray

• Repository: Academy of Natural Sciences, Philadelphia (ANSP)

Primary reference: W. M. Gabb. 1864. Description of the Triassic fossils of California and the adjacent territories. Geological Survey of California Palaeontology 1:19-35 [M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 142642: authorized by Matthew Clapham, entered by Matthew Clapham on 15.04.2013

Creative Commons license: CC BY (attribution)

Taxonomic list

Rhynchonellata
 Spiriferinida - Spiriferinidae
""Spirifer" homfrayi n. sp." = Spiriferina homfrayi
""Spirifer" homfrayi n. sp." = Spiriferina homfrayi Gabb 1864
 Rhynchonellida - Rhynchonellidae
"Rhynchonella" lingulata n. sp. Gabb 1864
 Terebratulida - Angustothyrididae
"Terebratula humboldtensis n. sp." = Rhaetina gregaria
"Terebratula humboldtensis n. sp." = Rhaetina gregaria Suess 1854