AK3b, Akimiski Island, Attawapiskat Fm (Silurian of Canada)

Where: Nunavut, Canada (53.2° N, 81.5° W: paleocoordinates 15.2° S, 43.8° W)

• coordinate estimated from map

• small collection-level geographic resolution

When: Pterospathodus amorphognathoides conodont zone, Attawapiskat Formation, Telychian (438.5 - 433.4 Ma)

• Uppermost Telychian

• group of beds-level stratigraphic resolution

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

• coral-stromatoporoid reef

Size class: macrofossils

Collection methods: collected area: 4 m²

Primary reference: C. A. C. Gushulak. 2016. First Major Appearance of Brachiopod-Dominated Benthic Shelly Communities in the Reef Ecosystem during the Early Silurian. Western University [W. Kiessling/M. Krause]more details

Purpose of describing collection: paleoecologic analysis

PaleoDB collection 184877: authorized by Wolfgang Kiessling, entered by Mihaela Krause on 28.03.2017

Creative Commons license: CC BY (attribution)

Taxonomic list

 Strophomenida - Leptostrophiidae
Eomegastrophia sp. Cocks 1967
 Strophomenida - Strophomenidae
 Athyridida - Meristellidae
Whitfieldella sulcatina Jin et al. 1993
 Pentamerida - Gypidulidae
Gypidula rudiplicativa Jin et al. 1993
 Pentamerida - Clorindidae
Clorinda tumidula Billings 1866
 Pentamerida - Pentameridae
 Atrypida - Atrypidae
Gotatrypa hedei Struve 1966
 Atrypida - Lissatrypidae
"Meifodia discoidalis" = Cerasina discoidalis, Septatrypa varians
"Meifodia discoidalis" = Cerasina discoidalis Jin et al. 1993
Septatrypa varians Poulsen 1943
 Trimerellida - Trimerellidae