Northrop Locality 010. Mouth of Chouinard Brook, Gascons (Silurian of Canada)

Where: Quebec, Canada (47.9° N, 66.5° W: paleocoordinates 27.5° S, 30.9° W)

• outcrop-level geographic resolution

When: Colonograptus ludensis graptolite zone, Lower Member (Gascons Formation), Gleedonian (425.4 - 427.4 Ma)

• member-level stratigraphic resolution

Environment/lithology: limestone

Size class: macrofossils

Reposited in the YPM

Primary reference: S. A. Northrop. 1939. Paleontology and stratigraphy of the Silurian rocks of the Port Daniel-Black Cape Region, Gaspé. Geological Society of America Special Paper 21:1-302 [P. Wagner/P. Wagner]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 157356: authorized by Pete Wagner, entered by Pete Wagner on 16.06.2014

Creative Commons license: CC BY (attribution)

Taxonomic list

Trilobita
 Corynexochida - Styginidae
"Goldius ekwanensis" = Ekwanoscutellum ekwanaspis
"Goldius ekwanensis" = Ekwanoscutellum ekwanaspis Whiteaves 1906 trilobite
Gastropoda
 Euomphalina - Euomphalidae
"Euomphalopterus cf. gasconsensis" = Spinicharybdis gasconsensis
"Euomphalopterus cf. gasconsensis" = Spinicharybdis gasconsensis Northrop 1939 snail
 Murchisoniina - Luciellidae
Prosolarium scalatum n. sp. Northrop 1939 snail
Bivalvia
  -
"Pelecypoda "sp. B, gen. and sp. indet."" = Bivalvia
"Pelecypoda "sp. B, gen. and sp. indet."" = Bivalvia Linnaeus 1758 clam
Strophomenata
 Strophomenida - Strophonellidae
"Amphistrophia extensa n. sp." = Strophonella extensa
"Amphistrophia extensa n. sp." = Strophonella extensa Northrop 1939
Rhynchonellata
 Pentamerida - Pentameridae
"Conchidium knighti" = Kirkidium knighti
"Conchidium knighti" = Kirkidium knighti Sowerby 1813
Sowerby
Anthozoa
 Stauriida - Cyathophyllidae
Cyathophyllum pennanti horn coral
Billings 1862. 107-108
Cyathophyllum cf. articulatum horn coral
Wahlenberg
 Stauriida - Arachnophyllidae
Arachnophyllum murchisoni Edwards and Haime 1851 horn coral
Milne-Edwards and Haime
 Favositida - Favositidae
Favosites gothlandicus Lamarck 1816 tabulate coral
 Heliolitida - Heliolitidae
Heliolites interstinctus tabulate coral
Linnaeus
Heliolites subtubulatus tabulate coral
McCoy
 Heliolitida - Halysitidae
Halysites catenularia Linnaeus 1767 tabulate coral
Stromatoporoidea
 Clathrodictyida - Clathrodictyidae
Clathrodictyon stylotum stromatoporoid sponge
Parks 1933 p. 10-12, pl. 2, figs. 7-8; pi. 3, fig. 1; pi. 8, fig. 1; Clathrodictyon stylotum crassum Parks 1933 12 - 13, pl. 3, figs. 2-3.
Clathrodictyon variolare Rosen 1867 stromatoporoid sponge
 Stromatoporida - Stromatoporidae
Stromatopora cf. carteri, Stromatopora "sp. B", "Stromatoporella crassa" = Stromatopora prima, "Stromatoporella chouinardensis" = Stromatopora prima
Stromatopora cf. carteri stromatoporoid sponge
Nicholson
Stromatopora "sp. B" Goldfuss 1826 stromatoporoid sponge
"Stromatoporella crassa" = Stromatopora prima Parks 1933 stromatoporoid sponge
"Stromatoporella chouinardensis" = Stromatopora prima Parks 1933 stromatoporoid sponge