H. Slopes of hillock, Hill near Mount Pisgah (Ordovician of the United States)

Where: Utah (41.6° N, 112.0° W: paleocoordinates 8.3° S, 76.8° W)

When: Zone M trilobite zone, Swan Peak Formation, Whiterockian (470.0 - 457.3 Ma)

• "At the top of series."

• group of beds-level stratigraphic resolution

Environment/lithology: marine; fine-grained shale

• Fine-grained shales

Size class: macrofossils

Primary reference: T. H. Clark. 1935. A New Ordovician Graptolite Locality in Utah. 9(3):239-246 [P. Wagner/P. Wagner]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 197008: authorized by Pete Wagner, entered by Pete Wagner on 18.10.2018

Creative Commons license: CC BY (attribution)

Taxonomic list

Pterobranchia
 Graptoloidea - Pterograptidae
Rhynchonellata
 Orthida - Nanorthidae
"Orthis michaelis n. sp." = Shoshonorthis michaelis
"Orthis michaelis n. sp." = Shoshonorthis michaelis Clark 1935
Lingulata
 Lingulida - Obolidae
Cephalopoda
 Ellesmerocerida - Protocycloceratidae
Protocycloceras debilis n. sp. Clark 1935
Trilobita
 Proetida - Bathyuridae
Eleutherocentrus petersoni n. gen. n. sp. Clark 1935 trilobite
 Tuzoida - Tuzoiidae