Northrop Locality 004. La Vieille, shales west of Anse Cascon (Silurian of Canada)

Where: Quebec, Canada (48.2° N, 64.8° W: paleocoordinates 23.5° S, 35.1° W)

When: Pterospathodus amorphognathoides graptolite zone, La Vieille Formation (Chaleurs Group), Telychian (438.5 - 433.4 Ma)

• Formation spans Cyrtograptus lapworthi - Cyrtograptus murchisoni zones. C6 brachiopod zone

• formation-level stratigraphic resolution

Environment/lithology: marine; shale

Size class: macrofossils

Reposited in the GSC, 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 184837: authorized by Pete Wagner, entered by Pete Wagner on 25.03.2017

Creative Commons license: CC BY (attribution)

Taxonomic list

Trilobita
 Corynexochida - Styginidae
"Goldius ekwanensis" = Ekwanoscutellum ekwanaspis
"Goldius ekwanensis" = Ekwanoscutellum ekwanaspis Whiteaves 1906 trilobite
 Phacopida - Encrinuridae
Encrinurus cf. reflexus Raymond 1916 trilobite
Strophomenata
 Orthotetida - Chilidiopsidae
"Schuchertella pecten" = Coolinia pecten
"Schuchertella pecten" = Coolinia pecten Linnaeus 1758
 Strophomenida - Rafinesquinidae
Leptaena rhomboidalis Wahlenberg 1818
not L. rhomboidalis....
Rhynchonellata
 Pentamerida - Stricklandiidae
"Stricklandia gaspiensis" = Costistricklandia gaspeensis
"Stricklandia gaspiensis" = Costistricklandia gaspeensis Billings 1859
 Pentamerida - Pentameridae
Barrandella kindlei n. sp. Northrop 1939
 Atrypida - Atrypidae
Atrypa reticularis Linnaeus 1758
 Rhynchonellida - Rhynchotrematidae
"Camarotoechia fringilla" = Rhynchotrema fringilla, "Camarotoechia vicina" = Stegerhynchus vicina
"Camarotoechia fringilla" = Rhynchotrema fringilla Billings 1862
"Camarotoechia vicina" = Stegerhynchus vicina Billings 1866
 Orthida - Hesperorthidae
Gastropoda
 Bellerophontida - Bucaniidae
Salpingostoma inornatum n. sp. Northrop 1939 snail
Stromatoporoidea
 Clathrodictyida - Clathrodictyidae
Anthozoa
 Auloporida - Syringoporidae
Syringopora bifurcata Lonsdale 1839 tabulate coral
Syringopora compacta Billings 1858 tabulate coral
 Favositida - Favositidae
Favosites hisingeri Milne-Edwards and Haime 1851 tabulate coral
Favosites gothlandicus Lamarck 1816 tabulate coral
Favosites favosus Goldfuss 1826 tabulate coral
 Cystiphyllida - Tryplasmatidae
"Palaeocyclus rotuloides" = Porpites rotuloides
"Palaeocyclus rotuloides" = Porpites rotuloides Hall 1852 horn coral
 Rugosa - Paleocyclidae
Acanthocyclus porpitoides Lang and Smith 1927 horn coral
 Stauriida - Arachnophyllidae
Arachnophyllum pentagonum Goldfuss 1826 horn coral
 Rugosa -
Omphyma eriphyle Billings 1862 horn coral