Virgin Arm (Ordovician of Canada)

Where: Newfoundland, Canada (49.5° N, 54.8° W: paleocoordinates 57.5° S, 33.4° W)

When: Pygodus serra - Pygodus anserinus conodont zone, Cobbs Arm Formation, Darriwilian (467.3 - 458.4 Ma)

• Overlies Summerford Group and Underlies Caradocian Shales. (From Stouge 1980)

• group of beds-level stratigraphic resolution

Environment/lithology: limestone

Size class: macrofossils

Primary reference: R. B. Neuman. 1976. Early Ordovician (Late Arenig) brachiopods from Virgin Arm, New World Island, Newfoundland. Geological Survey of Canada Bulletin 261:11-61 [P. Wagner/P. Wagner]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 185947: authorized by Pete Wagner, entered by Pete Wagner on 29.05.2017

Creative Commons license: CC BY (attribution)

Taxonomic list

Strophomenata
 Billingsellida - Polytoechiidae
 Billingsellida - Gonambonitidae
Jaanussonites hornei n. gen. n. sp. Neuman 1976
 Billingsellida - Clitambonitidae
"Atelelasma atlanticus n. sp." = Palaeoneumania atlanticus
"Atelelasma atlanticus n. sp." = Palaeoneumania atlanticus Neuman 1976
 Strophomenida - Grorudiidae
Calyptolepta diaphragma n. gen. n. sp.
Calyptolepta diaphragma n. gen. n. sp. Neuman 1976
 Strophomenida - Bimuriidae
aff. Bimuria sp. Ulrich and Cooper 1942
 Strophomenida - Plectambonitidae
 Strophomenida - Sowerbyellidae
Anechophragma rarum n. gen. n. sp.
Anechophragma rarum n. gen. n. sp. Neuman 1976
 Strophomenida - Taffiidae
? Taffia sp. Butts 1926
Guttasella gutta n. gen. n. sp. Neuman 1976
Inversella sp. Opik 1933
Ahtiella paucirugosa n. sp. Neuman 1976
Rhynchonellata
 Pentamerida - Tetralobulidae
 Pentamerida - Camerellidae
? Camerella sp. Billings 1859
 Orthida -
Glypterina sp. Boucot 1970
 Orthida - Paurorthidae
Paurorthis sp. Schuchert and Cooper 1931
Virgoria virgensis n. gen. n. sp. Neuman 1976
 Orthida - Orthidae
Orthambonites sp. Pander 1830
 Orthida - Productorthidae
 Orthida - Platystrophiidae
Acanthorthis terreneuvensis n. gen. n. sp. Neuman 1976
 Orthida - Plectorthidae
Plectorthis sp. Hall and Clarke 1892
Craniata
 Craniida - Craniidae
Orthisocrania sp. Rowell 1963