Decew Falls Section 01.5' (Silurian of Canada)

Also known as Was: Gastropod community, Power Glen Fm., Ontario

Where: Ontario, Canada (43.1° N, 79.3° W: paleocoordinates 23.8° S, 49.9° W)

• coordinate based on political unit

When: Power Glen Formation, Rhuddanian (443.4 - 440.8 Ma)

• "lower Lland. cycle I."

Environment/lithology: marine; dolomitic, gray, argillaceous limestone

• "? BA1"
• Dolomite; dark grey, fine grained to dense; enterolithic structure, buff to tan weathered, argillaceous to arenaceous; upper contact ripple-marked, a thin shale or clay seam

Size class: macrofossils

Reposited in the GSC

Primary reference: T. E. Bolton. 1957. Silurian stratigraphy and palæontology of the Niagara escarpment in Ontario. Geological Survey of Canada Memoir 289:1-145 [P. Wagner/P. Wagner/J. Ju]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 447: authorized by Jack Sepkoski, entered by Mike Sommers on 08.12.1998, edited by Pete Wagner

Creative Commons license: CC BY (attribution)

Taxonomic list

• "Ziegler et al. 1971 unpublished. Bolton 1957."
 Euomphalina - Holopeidae
Holopea sp. Hall 1847 snail
 Murchisoniina - Murchisoniidae
"Hormotoma subulata" = Murchisonia subulata
"Hormotoma subulata" = Murchisonia subulata Conrad 1842 snail
 Bellerophontida - Bellerophontidae
Bellerophon sp. de Montfort 1808 snail
 Modiomorphida - Modiomorphidae
 Strophomenida - Rafinesquinidae
Leptaena rhomboidalis Wahlenberg 1818