Locality 39, unit 11, upper 6 feet (Silurian of Canada)

Where: Northwest Territories, Canada (74.8° N, 93.4° W: paleocoordinates 2.0° N, 31.9° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: C Member (Read Bay Formation), Ludlow (427.4 - 423.0 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: marine; lithified, gray lime mudstone

• Limestone; light grey to medium grey, weathering greyish yellow and yellowish grey, thin- to thick-bedded, hard, dense, sublithographic to medium crystalline

Size class: macrofossils

Collected by R. Thorsteinsson in 1950-53

Collection methods: surface (in situ),

Primary reference: R. Thorsteinsson. 1958. Cornwallis and Little Cornwallis Islands, District of Franklin, Northwest Territories. Geological Survey of Canada Memoirs 294:1-134 [M. Hopkins/M. Hopkins/M. Hopkins]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 188871: authorized by Melanie Hopkins, entered by Melanie Hopkins on 19.09.2017

Creative Commons license: CC BY (attribution)

Taxonomic list

unclassified
  -
Trilobita
 Lichida - Lichidae
? Arctinurus sp. Castelnau 1843 trilobite
Strophomenata
 Strophomenida - Strophonellidae
Strophonella sp. Hall 1879
Rhynchonellata
 Pentamerida - Subrianidae
Conchidium sp. Oehlert 1887
 Pentamerida - Pentameridae
? Rhipidium sp. Schuchert and Cooper 1931
 Atrypida - Lissatrypidae
"Atrypella phoca" = Atrypoidea
"Atrypella phoca" = Atrypoidea
 Orthida - Dalmanellidae
Gastropoda
 Murchisoniina - Loxonematidae
Loxonema sp. Phillips 1841 snail
Stromatoporoidea
 Clathrodictyida - Clathrodictyidae
Clathrodictyon sp. Nicholson and Murie 1878
Anthozoa
 Favositida - Pachyporidae
Striatopora sp. Hall 1851 tabulate coral