Unit 78, Storm Creek Section, Member 3, Mount Head Fm (Carboniferous of Canada)

Where: Alberta, Canada (50.5° N, 114.7° W: paleocoordinates 5.2° N, 40.5° W)

• coordinate estimated from map

• small collection-level geographic resolution

When: 3 Member (Mount Head Formation), Meramecian (343.0 - 335.5 Ma)

• Unit 78 of Storm Creek Section (counting from the top). This unit is 66 feet thick.

• group of beds-level stratigraphic resolution

Environment/lithology: shallow subtidal; lithified, black, gray, argillaceous limestone

• "Limestone, dark gray to black, argillaceous, bitminous; massive but thinly slabbing to shaly, especially in weak mid-portion; basal portion less argillaceous, more calcarenitic. Bryozoa and crinoidal remains abundant; numerous small brachiopods in basal portion."

Primary reference: G. O. Raasch. 1958. Upper Paleozoic sections at Highwood Pass, Alberta. Jurassic and Carboniferous of Western Canada 190-215 [N. Heim/N. Heim]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 62394: authorized by Noel Heim, entered by Noel Heim on 19.07.2006

Creative Commons license: CC BY (attribution)

Taxonomic list

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Trilobita
 Proetida - Phillipsiidae
? Griffithides sp.
? Griffithides sp. Portlock 1843 trilobite
Strophomenata
 Productida - Echinoconchidae
Echinoconchus biseriatus
 Productida - Productidae
Dictyoclostus cf. setigerus
Rhynchonellata
 Spiriferida - Spiriferidae
Spirifer bifurcatus, Spirifer pellaensis
Spirifer pellaensis Weller 1914
 Athyridida - Retziidae
Eumetria verneuiliana
 Athyridida - Athyrididae
Composita trinuclea, Cleiothyridina hirsuta
 Rhynchonellida - Camarotoechiidae
Camarotoechia cascadensis
 Terebratulida - Cranaenidae
Girtyella turgida
Stenolaemata
 Cryptostomata - Fenestellidae
Fenestellidae indet.
Fenestellidae indet. King 1850
fenesteillid bryozoa
 Cystoporida - Hexagonellidae
"Evactinopora" sp.
"Evactinopora" sp. Meek and Worthen 1865
"Evactinopora" of Warren
Bivalvia
 Ostreida - Pterineidae
Cornellites sp.
Cornellites sp. Williams 1908 oyster
Cornellites sp. A
Gastropoda
 Neritoidea - Naticopsidae
Naticopsis sp.
Naticopsis sp. M'Coy 1844 snail
Naticopsis n. sp.
Anthozoa
 Stauriida - Hapsiphyllidae
Hapsiphyllum calcariforme