GSC 80565, Attawapiskat River (Silurian of Canada)

Also known as Reef 2253

Where: Ontario, Canada (52.9° N, 84.0° W: paleocoordinates 14.8° S, 45.3° W)

• coordinate stated in text

• outcrop-level geographic resolution

When: Attawapiskat Formation, Telychian (438.5 - 433.4 Ma)

• near the base of the formation

• group of beds-level stratigraphic resolution

Environment/lithology: reef, buildup or bioherm; lithified limestone

• 9 m of biohermal beds

Size class: macrofossils

Reposited in the GSC

Primary reference: J. Jin, W. G. E. Caldwell, and B. S. Norford. 1993. Early Silurian brachiopods and biostratigraphy of the Hudson Bay Lowlands, Manitoba, Ontario and Quebec. Bulletin Geological Survey of Canada 457:1-221 [W. Kiessling/U. Merkel]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 77262: authorized by Wolfgang Kiessling, entered by Uta Merkel on 08.01.2008

Creative Commons license: CC BY (attribution)

Taxonomic list

Trilobita
 Corynexochida - Illaenidae
 Corynexochida - Styginidae
? Goldillaenus sp. Schindewolf 1924 trilobite
"Ekwanoscutellum ekwanensis" = Ekwanoscutellum ekwanaspis Whiteaves 1906 trilobite
Strophomenata
 Strophomenida - Sowerbyellidae
Rhynchonellata
 Athyridida - Meristidae
Merista rhombiformis n. sp. Jin et al. 1993
 Athyridida - Meristellidae
Whitfieldella sulcatina Jin et al. 1993
Meristina obtusa Dalman 1828
 Pentamerida - Gypidulidae
 Pentamerida - Pentameridae
 Pentamerida - Clorindidae
Clorinda rotunda Lindström 1861