Upper part of the Phi Kappa Formation, Trail Creek section, collection 69ICt 33 (Ordovician of the United States)

Where: Idaho (43.9° N, 114.2° W: paleocoordinates 6.0° S, 69.6° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Dicellograptus ornatus graptolite zone, Phi Kappa Formation, Ashgill (449.5 - 443.7 Ma)

Environment/lithology: deep subtidal; shale

Size classes: macrofossils, mesofossils

Primary reference: C. Carter and M. Churkin. 1977. Ordovician and Silurian graptolite succession in the Trail Creek area, central Idaho-a graptolite zone reference section. Geological Survey Professional Paper [W. Kiessling/M. Krause]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 145498: authorized by Wolfgang Kiessling, entered by Mihaela Krause on 03.06.2013

Creative Commons license: CC BY (attribution)

Taxonomic list

Pterobranchia
 Graptoloidea - Retiolitidae
Glyptograptus tamariscus Nicholson 1868 graptolite
rare specimens
 Graptoloidea - Climacograptidae
"? Climacograptus longispinus" = Appendispinograptus longispinus Hall 1902 climacograptid
frequent specimens
Climacograptus "sp. A" Hall 1865 climacograptid
frequent specimens
Climacograptus hastatus Hall 1902 climacograptid
frequent specimens
 Graptoloidea - Diplograptidae
"Climacograptus pacificus" = Paraorthograptus pacificus, "Orthograptus amplexicaulis" = Rectograptus amplexicaulis, "Orthograptus aff. amplexicaulis" = Rectograptus amplexicaulis
"Climacograptus pacificus" = Paraorthograptus pacificus Ruedemann 1947 graptolite
abundant specimens
"Orthograptus amplexicaulis" = Rectograptus amplexicaulis Hall 1847 graptolite
rare specimens
"Orthograptus aff. amplexicaulis" = Rectograptus amplexicaulis Hall 1847 graptolite
rare specimens
 Graptoloidea - Dicranograptidae
Dicellograptus ornatus Elles and Wood 1904 graptolite
frequent specimens