GSC 80571, Attawapiskat River (Silurian of Canada)

Also known as Reef 1410

Where: Ontario, Canada (53.0° N, 83.2° W: paleocoordinates 14.9° S, 44.8° W)

• coordinate stated in text

• small collection-level geographic resolution

When: Pterospathodus eopennatus - Pseudooneotodus bicornis conodont zone, Attawapiskat Formation, Telychian (438.5 - 433.4 Ma)

• bed-level stratigraphic resolution

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

• 4.5 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 77326: authorized by Wolfgang Kiessling, entered by Uta Merkel on 09.01.2008

Creative Commons license: CC BY (attribution)

Taxonomic list

 Corynexochida - Styginidae
"Ekwanoscutellum ekwanensis" = Ekwanoscutellum ekwanaspis, Meroperix aquilonaris
"Ekwanoscutellum ekwanensis" = Ekwanoscutellum ekwanaspis Whiteaves 1906 trilobite
 Corynexochida - Illaenidae
 Proetida - Proetidae
Winiskia perryi trilobite
Cyphoproetus sp. Kegel 1927 trilobite
 Phacopida - Encrinuridae
Encrinurus sp. Emmrich 1844 trilobite
 Phacopida - Cheiruridae
Chiozoon umisk trilobite
 Lichida - Lichidae
? Platylichas sp. Gürich 1901 trilobite
 Odontopleurida - Odontopleuridae
Acidaspis sp. Murchison 1839 trilobite
listed as Acidapsis
 Strophomenida - Sowerbyellidae
 Athyridida - Meristellidae
Whitfieldella pygmaea n. sp. Jin et al. 1993
 Rhynchonellida - Rhynchotrematidae
 Pentamerida - Gypidulidae
 Pentamerida - Pentameridae
 Pentamerida - Clorindidae
Clorinda parvolinguifera Sapelnikov 1972
 Atrypida - Lissatrypidae
"Meifodia discoidalis n. sp." = Cerasina discoidalis
"Meifodia discoidalis n. sp." = Cerasina discoidalis Jin et al. 1993