Richardson Mtns., Road River Fm. (Silurian of Canada)
Where: Yukon, Canada (68.2° N, 137.0° W: paleocoordinates 15.7° N, 47.6° W)
• coordinate based on political unit
• basin-level geographic resolution
When: Diplograptus zone, Road River Formation, Llandovery (443.4 - 433.4 Ma)
• "lower Lland."
Environment/lithology: marine; shale
• "dark graptolitic shale. basinal. eugeosyncline"
Size class: macrofossils
Primary reference: D. E. Jackson and A. C. Lenz. 1962. Zonation of Ordovician and Silurian graptolites of northern Yukon, Canada. AAPG Bulletin 46:30-45 [M. Uhen/J. Ju/M. Uhen]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 515: authorized by Jack Sepkoski, entered by Mike Sommers on 07.01.1999
Creative Commons license: CC BY (attribution)
Taxonomic list
• "D.E. Jackson and A.C. Lenz, 1962. Zonation of Ord and Sil graptolites of northern Yukon, Canada. AAPG Bull. 46:30-4[?]"
Show authors, comments, and common names
Pterobranchia | |
Glyptograptus sp. Lapworth 1873 graptolite | |
Orthograptus sp. Lapworth 1873 graptolite
Diplograptus sp. graptolite | |
Rhynchonellata | |
| |
Dalmanella sp. Hall and Clarke 1892 |