GSC 80574, Attawapiskat River (Silurian of Canada)

Also known as Reef 2254

Where: Ontario, Canada (52.9° N, 82.7° W: paleocoordinates 15.2° S, 44.6° W)

• coordinate stated in text

• small collection-level geographic resolution

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

• probably near the top of the formation

• bed-level stratigraphic resolution

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

• 1 m of bioherm-core and flank deposits

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 77328: authorized by Wolfgang Kiessling, entered by Uta Merkel on 09.01.2008

Creative Commons license: CC BY (attribution)

Taxonomic list

Conodonta
 Belodellida - Belodellidae
Belodella sp. Ethington 1959 conodont
 Panderodontida - Panderodontidae
Panderodus unicostatus Branson and Mehl 1933 conodont
 Ozarkodinida -
Ozarkodina cf. pirata Uyeno and Barnes 1983 conodont
Strophomenata
 Orthotetida - Chilidiopsidae
 Strophomenida - Leptestiidae
Rhynchonellata
 Atrypida - Septatrypidae
Trilobita
 Corynexochida - Styginidae
Opoa sp. Lane 1972 trilobite
 Corynexochida - Illaenidae
 Proetida - Proetidae
Cyphoproetus sp. Kegel 1927 trilobite
Winiskia perryi trilobite
 Phacopida - Calymenidae
Calymene sp. Brongniart 1822 trilobite
 Phacopida - Encrinuridae
Encrinurus sp. Emmrich 1844 trilobite
 Phacopida - Cheiruridae
Chiozoon umisk trilobite
 Odontopleurida - Odontopleuridae
Selenopeltoides sp. Prantl and Pribyl 1949 trilobite
Acidaspis sp. Murchison 1839 trilobite