GSC Locality #C-16775, Cornwallis Island, Arctic Archipeligo (Silurian of Canada)

Where: Northwest Territories, Canada (75.1° N, 95.0° W: paleocoordinates 2.5° N, 32.4° W)

• coordinate based on political unit

• outcrop-level geographic resolution

When: Cape Phillips Formation, Wenlock (433.4 - 427.4 Ma)

• "upper Wenlock"

Environment/lithology: marine; calcareous limestone and shale

• "ls concretion in thinly bedded dark gray argillaceous ls, calcareous shales, calcisiltites, and min[illeg.] ls's. relatively deep water outboard of carbonate shelf edge BA6"

Size class: macrofossils

Reposited in the GSC

Primary reference: J. Pojeta, Jr. and B. S. Norford. 1987. A Bohemian-type Silurian (Wenlock) pelecypod faunule from arctic Canada. Journal of Paleontology 61:508-520 [M. Uhen/J. Ju/J. Ju]more details

Purpose of describing collection: paleoecologic analysis

PaleoDB collection 497: authorized by Jack Sepkoski, entered by Mike Sommers on 17.12.1998

Creative Commons license: CC BY (attribution)

Taxonomic list

• "J. Pojeta, Jr. and B.S. Norford, 1987. A Bohemian-type Sil (Wenlock) pelecypod faunule from arctic Can. J.Paleo 61:508-520. believe assemblage is mixed but only a small portion redeposited from adjacent shelf"
Trilobita
 Corynexochida - Styginidae
Cybantyx sp. Lane and Thomas 1978 trilobite
 Odontopleurida -
Odontopleurida indet. Whittington 1959 trilobite
odontopleurid
 Odontopleurida - Odontopleuridae
Dudleyaspis sp. Prantl and Pribyl 1949 trilobite
Ceratocephala sp. Warder 1838 trilobite
 Aulacopleurida - Aulacopleuridae
Harpidella sp. McCoy 1849 trilobite
 Aulacopleurida - Brachymetopidae
Radnoria sp. Owens and Thomas 1975 trilobite
 Phacopida - Encrinuridae
Fragiscutum sp. Whittington and Campbell 1967 trilobite
 Phacopida - Cheiruridae
Didrepanon sp. Lane 1971 trilobite
Deiphon sp. Barrande 1846 trilobite
Sphaerexochus sp. Beyrich 1845 trilobite
 Ptychopariida -
Ptychopariida indet. Swinnerton 1915 trilobite
sculluid
 Proetida -
Proetida indet. Fortey and Owens 1975 trilobite
proetid
 Proetida - Proetidae
? Schizoproetus sp. Richter 1912 trilobite
originally entered as "?Schizoproetus sp."
 Lichida - Lichidae
Hemiarges sp. G├╝rich 1901 trilobite
"Dicranogmus sp." = Lichas (Dicranogmus) Hawle and Corda 1847 trilobite
Dicranopeltis sp. Hawle and Corda 1847 trilobite
Strophomenata
 Orthotetida - Chilidiopsidae
Morinorhynchus sp. Havlicek 1965
 Strophomenida -
Strophomenida indet. Opik 1934
new strophomenid
 Strophomenida - Aegiromenidae
aff. Aegiria sp. Opik 1933
originally entered as "aff. Aegirina sp."
 Strophomenida - Rafinesquinidae
Leptaena sp. Dalman 1828
Rhynchonellata
 Spiriferida -
Spiriferida indet. Waagen 1883
plicate ambocoelid
 Pentamerida - Gypidulidae
Gypidula sp. Hall 1867
 Pentamerida - Clorindidae
Antirhynchonella sp. Oehlert 1887
 Pentamerida - Subrianidae
Conchidium sp. Oehlert 1887
 Protorthida - Skenidiidae
Skenidioides sp. Schuchert and Cooper 1931
 Atrypida - Atrypidae
Spinatrypa sp. Stainbrook 1951
 Atrypida - Atrypinidae
Gracianella sp. Johnson and Boucot 1967
 Atrypida - Lissatrypidae
"? Dubaria sp." = Septatrypa
"? Dubaria sp." = Septatrypa Kozlowski 1929
originally entered as "? Dubaria sp."
 Atrypida - Anazygidae
 Rhynchonellida - Rhynchonellidae
Rhynchonellidae indet. Gray 1848
indet. rhynchonellid - originally entered as "Rhynchonellida indet."
 Orthida - Draboviidae
Salopina sp. Boucot 1960
 Orthida - Dicoelosiidae
Dicoelosia sp. King 1850
 Orthida - Dalmanellidae
Isorthis sp. Kozlowski 1929
 Orthida - Hesperorthidae
Ptychopleurella sp. Schuchert and Cooper 1931
Dolerorthis sp. Schuchert and Cooper 1931
Bivalvia
  -
Bivalvia indet. Linnaeus 1758 clam
grammysiid
 Cyrtodontida - Slavidae
Slava sp. Barrande 1881 clam
 Ostreida - Pterineidae
Leptodesma sp. Hall 1883 oyster
 Ostreida - Rhombopteriidae
Rhombopteria sp. Jackson 1890 oyster
Pteraspidomorpha
  - Ariaspididae
Ariaspis sp. Denison 1963
2 species
 Traquairaspidiformes -
"Traquairaspis sp." = Phialaspis
"Traquairaspis sp." = Phialaspis Wills 1935
 Cyathaspidiformes - Cyathaspididae
Vernonaspis sp.
originally entered as "Veronaspis sp."
Pteraspidomorphi
 Pteraspidomorphes -
unclassified
  -
Vertebrata indet. Lamarck 1801
2 species, cyathispidid
Graptolithina
 Bireclinata - Monograptidae
Monograptus sp. graptoloid
2 species
 Bireclinata - Retiolitidae
Spinograptus sp. graptoloid