GSC 57719, Bjorne Peninsula, Ellesmere Island (TC-217) (Permian of Canada)

Where: Nunavut, Canada (77.6° N, 86.4° W: paleocoordinates 32.8° N, 1.9° E)

• coordinate stated in text

• outcrop-level geographic resolution

When: Great Bear Cape Formation, Artinskian (290.1 - 279.3 Ma)

• Approximately 915 feet above the base of the unit tentatively assigned to the Assistance Formation (now considered to belong to the Great Bear Cape Fm).

• group of beds-level stratigraphic resolution

Environment/lithology: lithified limestone

Size class: macrofossils

Primary reference: W. W. Nassichuk, W. M. Furnish, and B. F. Glenister. 1965. The Permian ammonoids of Arctic Canada. Geological Survey of Canada Bulletin 131:1-56 [M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 111866: authorized by Matthew Clapham, entered by Matthew Clapham on 29.06.2011

Creative Commons license: CC BY (attribution)

Taxonomic list

Demospongiae
 Streptosclerophorida - Hindiidae
Scheiia tuberosa4 Tschernyschew and Stepanow 1916 demosponge
 Spirosclerophorida - Haplistiidae
Haplistion arcticum4 Dunikowski 1884 demosponge
Trilobita
 Proetida - Phillipsiidae
Ditomopyge bjornensis n. sp.3 Ormiston 1973 trilobite
Cephalopoda
 Prolecanitida - Pronoritidae
? Neopronorites sp.2 Ruzhencev 1936 ammonite
 Goniatitida - Metalegoceratidae
Metalegoceras crenatum Nassichuk et al. 1965 ammonite
 Goniatitida - Paragastrioceratidae
Paragastrioceras aff. jossae de Verneuil 1845 ammonite
Uraloceras involutum Voinova 1934 ammonite
"Uraloceras burtiensis" = Uraloceras burtiense Voinova 1934 ammonite
 Goniatitida - Thalassoceratidae
Prothalassoceras sp.2 Böse 1919 ammonite
 Goniatitida - Somoholitidae
Andrianovia cf. sakmarae1 Ruzhentsev 1938 ammonite
Strophomenata
 Orthotetida -
Orthotetida indet.5 Waagen 1884
 Productida - Echinoconchidae
Echinoconchidae indet.5 Stehli 1954
Possibly Bathymyonia sp.
 Productida - Productidae
Yakovlevia sp.5 Fredericks 1925
 Productida - Productellidae
Kutorginella sp.5 Ivanova 1951
 Productida - Linoproductidae
Linoproductus simensis5 Tschernyschew 1902
Rhynchonellata
 Rhynchonellida - Stenoscismatidae
"Septacamera mutabilis" = Stenoscisma mutabilis5, "Camerisma aff. pentameroides" = Callaiapsida pentameroides5
"Septacamera mutabilis" = Stenoscisma mutabilis5 Tschernyschew 1902
"Camerisma aff. pentameroides" = Callaiapsida pentameroides5 Tschernyschew 1902
 Spiriferinida -
Syringothyridoidea indet.5 Frederiks 1926
Orulgania or Pseudosyrinx sp.
 Spiriferida - Spiriferellidae
"Spiriferella polaris" = Arcullina polaris5
"Spiriferella polaris" = Arcullina polaris5 Wiman 1914
 Spiriferida - Martiniidae
Martinia sp.5 M'Coy 1844