Decew Falls Section 10.5' (Silurian of Canada)

Also known as Eocoelia-nuculoid (=Lingula) 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

• basin-level geographic resolution

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

• "lower Lland (and mid also)"

• bed-level stratigraphic resolution

Environment/lithology: marine; calcareous sandstone and shale

• "Dk gray to green fissile calcareous to arenaceous shale, interbedded w/ thin grey f to m gr. calc sst. shallow, muddy, probably restricted if fits def. of lingula community. This assemblage was termed a Lingula Community by Ziegler and Boncut, 1970. Fauna is sparsely distributed"

Size class: macrofossils

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: taxonomic analysis

PaleoDB collection 173218: authorized by Pete Wagner, entered by Pete Wagner on 13.09.2015

Creative Commons license: CC BY (attribution)

Taxonomic list

• "Bolton, T.E. 1957. Silurian strat and paleo of the Niagara escarpment in Ontario. Canada Seol. Surv Mem. 289, 145p."
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Gastropoda
 Bellerophontida - Bellerophontidae
"Bucania fiscellostriata" = Sphenosphaera fiscellostriata
"Bucania fiscellostriata" = Sphenosphaera fiscellostriata Foerste 1887 snail
 Murchisoniina - Lophospiridae
"Lophospira pulchra" = Longstaffia pulchra
"Lophospira pulchra" = Longstaffia pulchra M'Coy 1844 snail
 Murchisoniina - Murchisoniidae
"Hormotoma subulata" = Murchisonia subulata
"Hormotoma subulata" = Murchisonia subulata Conrad 1842 snail
Bivalvia
 Solemyida - Ctenodontidae
Ctenodonta glenna, Ctenodonta machaeriformis, Ctenodonta cataractensis
 Myalinida - Ambonychiidae
"Pterinea undata" = Clionychia undata
"Pterinea undata" = Clionychia undata Emmons 1842 clam
 Modiomorphida - Modiomorphidae
Modiolopsis orthonota, Modiolopsis posteroaltus
Rhynchonellata
 Rhynchonellida - Rhynchotrematidae
Stegerhynchus neglectum