Upper part of the Phi Kappa Formation, Trail Creek section, collection 69ICt 55 (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 145489: authorized by Wolfgang Kiessling, entered by Mihaela Krause on 03.06.2013

Creative Commons license: CC BY (attribution)

Taxonomic list

Pterobranchia
 Graptoloidea - Lasiograptidae
Arachniograptus laqueus lasiograptid
rare specimens
 Graptoloidea - Climacograptidae
"Climacograptus longispinus" = Appendispinograptus longispinus Hall 1902 climacograptid
common specimens
Climacograptus sp. Hall 1865 climacograptid
frequent specimens
Climacograptus ? hastatus Hall 1902 climacograptid
rare specimens
 Graptoloidea - Diplograptidae
"Glyptograptus cf. teretiusculus" = Hustedograptus teretiusculus, Orthograptus quadrimucronatus, "Orthograptus amplexicaulis" = Rectograptus amplexicaulis
"Glyptograptus cf. teretiusculus" = Hustedograptus teretiusculus Hisinger 1840 graptolite
rare specimens
Orthograptus quadrimucronatus Hall 1865 graptolite
rare specimens
"Orthograptus amplexicaulis" = Rectograptus amplexicaulis Hall 1847 graptolite
abundant specimens
 Graptoloidea - Dicranograptidae
Dicellograptus cf. ornatus Elles and Wood 1904 graptolite
frequent specimens
Dicellograptus cf. elegans Carruthers 1868 graptolite
rare specimens