AK3-01A, Akimiski Island, Attawapiskat Fm: Telychian, Canada

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
unclassified
Gotatrypa hedei Struve 1966
71 specimens
Leangella sp.
1 specimen
Rhynchonellata - Spiriferida - Delthyrididae
Howellella porcata Jin et al. 1993
1 specimen
Rhynchonellata - Spiriferida - Cyrtiidae
Mictospirifer jini
2 specimens
Rhynchonellata - Athyridida - Meristellidae
Meristina sp. Hall 1867
1 specimen
Rhynchonellata - Athyridida - Meristidae
Merista rhombiformis Jin et al. 1993
2 specimens
Rhynchonellata - Atrypida - Septatrypidae
Septatrypa varians (Poulsen 1943)
18 specimens
Rhynchonellata - Atrypida - Atrypidae
Plectatrypa sp. Schuchert and Cooper 1930
7 specimens
Rhynchonellata - Atrypida - Lissatrypidae
Meifodia discoidalis Jin et al. 1993
3 specimens
recombined as Cerasina discoidalis
Lissatrypa variabilis
2 specimens
Rhynchonellata - Orthida - Hesperorthidae
Hesperorthis davidsoni (de Verneuil 1845)
6 specimens
original and current combination Orthis davidsoni
Rhynchonellata - Pentamerida - Pentameridae
Pentameroides septentrionalis (Whiteaves 1904)
1 specimen
Reticularia septentrionalis
Rhynchonellata - Pentamerida - Clorindidae
Clorinda parvolinguifera Sapelnikov 1972
8 specimens
Clorinda tumidula (Billings 1866)
6 specimens
Rhynchonellata - Pentamerida - Gypidulidae
Gypidulina biplicata
1 specimen
Strophomenata - Strophomenida - Sowerbyellidae
Eoplectodonta sp. Kozlowski 1929
1 specimen
Strophomenata - Strophomenida - Leptostrophiidae
Eomegastrophia sp. (Cocks 1967)
3 specimens
original and current combination Megastrophia (Eomegastrophia)
Strophomenata - Strophomenida - Rafinesquinidae
Leptaena sp. Dalman 1828
2 specimens
see common names

Geography
Country:Canada State/province:Nunavut
Coordinates: 53.2° North, 81.5° West (view map)
Paleocoordinates:15.2° South, 43.8° West
Basis of coordinate:estimated from map
Geographic resolution:small collection
Time
Period:Silurian Epoch:Llandovery
Stage:Telychian 10 m.y. bin:Silurian 1
Key time interval:Telychian Conodont zone: Pterospathodus amorphognathoides
Age range of interval:438.50000 - 433.40000 m.y. ago
Stratigraphy
Formation:Attawapiskat
Stratigraphic resolution:group of beds
Stratigraphy comments: Uppermost Telychian
Lithology and environment
Primary lithology: lithified "limestone"
Lithology description: coral-stromatoporoid reef
Environment:reef, buildup or bioherm
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils
Collection methods and comments
Collection methods:field collection
Reason for describing collection:paleoecologic analysis
Collection method comments: collected area: 4 m²
Metadata
Database number:184878
Authorizer:W. Kiessling Enterer:M. Krause
Research group:marine invertebrate
Created:2017-03-28 08:57:40 Last modified:2017-03-28 08:57:40
Access level:authorizer only Released:2017-09-28 08:57:40
Creative Commons license:CC BY
Reference information

Primary reference:

61979. 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]