Yohin Fauna, Yohin Fm., MacKenzie Mountians (Carboniferous of Canada)

Where: Yukon, Canada (63.9° N, 127.8° W: paleocoordinates 8.8° N, 36.4° W)

• coordinate based on political unit

• basin-level geographic resolution

When: Yohin Formation, Kinderhookian (358.9 - 352.0 Ma)

• "Early Miss."

Environment/lithology: lagoonal; black sandstone and shale

• "mainly thin bedded ss (dark) interbedded black shale, little or no calcite, some limestone with silty bedds. probably shallow marginal marine- presence of plant fragments would seem to indicate the shale is lagoonal, the plant fragments were questionable however and were found in the sandy interbeds rather than the shale"

Size class: macrofossils

Primary reference: P. Harker. 1963. Carboniferous and Permian rocks, Southwestern District of MacKenzie. Geological Survey of Canada Bulletin 95:1-91 [M. Uhen/M. Uhen]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 546: authorized by Arnold Miller, entered by Mike Sommers on 12.01.1999

Creative Commons license: CC BY (attribution)

Taxonomic list

• "P. Harker, 1963. Carb. and Perm. rocks, Southwestern District of MacKenzie. Geol. Surv. Can. Bull. 95, 91pp."
Crinoidea
  -
Crinoidea indet. Miller 1821 Sea lily
crinoid stems
Strophomenata
 Productida - Productellidae
 Strophomenida - Rafinesquinidae
Leptaena sp. Dalman 1828
 Strophomenida - Chonetidae
Chonetes sp. Fischer de Waldheim 1830
Rhynchonellata
 Spiriferida - Spiriferidae
Spirifer sp. Sowerby 1818
 Orthida - Rhipidomellidae
 Spiriferinida - Punctospiriferidae
Punctospirifer sp. North 1920
 Terebratulida - Dielasmatidae
Dielasma sp. King 1856
 Athyridida - Athyrididae
Composita sp. Brown 1849