Flett fauna B, C, and D, Flett Fm., southern MacKenzie Mountains (Carboniferous of Canada)

Where: Yukon, Canada (63.9° N, 127.8° W: paleocoordinates 18.4° N, 32.9° W)

• coordinate based on political unit

• basin-level geographic resolution

When: Flett Formation, Meramecian (345.0 - 336.0 Ma)

• Mississippian

Environment/lithology: marine; black, calcareous, cherty/siliceous shale

• "gray med to fine gr. ls int. w/dark gray calc. shales and black calc shales. some chert beds. relatively quiet water, possibly restricted (but not clear) BA4. Environmental setting- Note that the additional fauna of the Liard Mountain probably lived in a somewhat more open higher energy setting (Ls tend to be coarser gr, there is no interbeded black 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 569: authorized by Arnold Miller, entered by Mike Sommers on 14.01.1999

Creative Commons license: CC BY (attribution)

Taxonomic list

• "Harker, 1963. * This fauna is from the type section. ** these additional elements are from section at Liard Mtn. + also present at Liard Mtn."
Anthozoa
 Stauriida - Hapsiphyllidae
Amplexizaphrentis sp. Vaughan 1906 horn coral
**
 Stauriida - Ekvasophyllidae
? Ekvasophyllum sp. Parks 1951 horn coral
* - originally entered as "? Ekvasophyllum sp."
 Stauriida - Cyathopsidae
Kakwiphyllum sp. Sutherland 1954 horn coral
*
 Stauriida - Lithostrotionidae
Diphyphyllum sp. Lonsdale 1845 horn coral
**
 Auloporida - Syringoporidae
Syringopora sp. Goldfuss 1826 tabulate coral
**
Gastropoda
 Neritoidea - Naticopsidae
Naticopsis sp. M'Coy 1844 snail
**
Bivalvia
 Pholadomyida - Edmondiidae
Allorisma sp. King 1844 clam
**
Strophomenata
 Orthotetida - Orthotetidae
Orthotetes sp.
* +, 2 species
 Strophomenida - Chonetidae
Chonetes sp. Fischer de Waldheim 1830
*
 Productida - Productidae
Rhynchonellata
 Rhynchonellida - Camarotoechiidae
Camarotoechia sp. Hall and Clarke 1893
*
 Orthida - Rhipidomellidae
 Spiriferinida - Dimegelasmidae
Dimegelasma sp. Cooper 1942
**
 Spiriferida - Spiriferidae
Spirifer sp. Sowerby 1818
* +, 2 species
 Spiriferida - Brachythyrididae
Brachythyris sp. M'Coy 1844
**
 Spiriferida - Spinocyrtiidae
 Spiriferida - Elythidae
 Athyridida - Athyrididae
Composita sp. Brown 1849
* +
Stenolaemata
 Cryptostomata - Fenestellidae
Crinoidea
  -
Crinoidea indet. Miller 1821 Sea lily
*, crinoidal debris
Blastoidea
 Spiraculata - Pentremitidae
Pentremites sp. Say 1820 blastoid
*