GSC Locality #C-16775, Cornwallis Island, Arctic Archipeligo: Homerian, Canada

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Trilobita - Lichida - Lichidae
Dicranopeltis sp. Hawle and Corda 1847
Hemiarges bucklandi
Dicranogmus skinneri Perry and Chatterton 1977
Trilobita - Phacopida - Cheiruridae
Deiphon sp. Barrande 1846
Sphaerexochus aff. mirus Beyrich 1845
Didrepanon sp. Lane 1971
Trilobita - Phacopida - Encrinuridae
Fragiscutum sp. Whittington and Campbell 1967
Trilobita - Corynexochida - Styginidae
Cybantyx sp. Lane and Thomas 1978
Trilobita - Proetida
Proetida indet. Fortey and Owens 1975
proetid
Trilobita - Proetida - Proetidae
? Schizoproetus sp. Richter 1912
originally entered as "?Schizoproetus sp."
Trilobita - Proetida - Aulacopleuridae
Harpidella sp. M'Coy 1849
Trilobita - Proetida - Brachymetopidae
Radnoria sp. Wasmann 1894
Trilobita - Ptychopariida
Ptychopariida indet. Swinnerton 1915
sculluid
Trilobita - Odontopleurida
Odontopleurida indet. Whittington 1959
odontopleurid
Trilobita - Odontopleurida - Odontopleuridae
Dudleyaspis sp. Prantl and Pribyl 1949
Ceratocephala cf. lochkoviana
Bivalvia
Bivalvia indet. Linnaeus 1758
grammysiid
Bivalvia - Cyrtodontida - Slavidae
Slava sp. Barrande 1881
Bivalvia - Ostreida - Pterineidae
Leptodesma sp. Hall 1883
Bivalvia - Ostreida - Rhombopteriidae
Rhombopteria cf. mira (Barrande 1881)
Strophomenata - Strophomenida
Strophomenida indet. Opik 1934
new strophomenid
Strophomenata - Strophomenida - Rafinesquinidae
Leptaena sp. Dalman 1828
Strophomenata - Strophomenida - Aegiromenidae
aff. Aegiria sp. Opik 1933
originally entered as "aff. Aegirina sp."
Strophomenata - Orthotetida - Chilidiopsidae
Morinorhynchus sp. Havlicek 1965
Rhynchonellata - Spiriferida
Spiriferida indet. Waagen 1883
plicate ambocoelid
Rhynchonellata - Protorthida - Skenidiidae
Skenidioides sp. Schuchert and Cooper 1931
Rhynchonellata - Rhynchonellida - Rhynchonellidae
Rhynchonellidae indet. Gray 1848
indet. rhynchonellid - originally entered as "Rhynchonellida indet."
Rhynchonellata - Orthida - Dalmanellidae
Isorthis sp. Kozlowski 1929
Rhynchonellata - Orthida - Dicoelosiidae
Dicoelosia sp. King 1850
Rhynchonellata - Orthida - Draboviidae
Salopina sp. Boucot 1960
Rhynchonellata - Orthida - Hesperorthidae
Dolerorthis sp. Schuchert and Cooper 1931
Ptychopleurella sp. Schuchert and Cooper 1931
Rhynchonellata - Pentamerida - Gypidulidae
Gypidula sp. Hall 1867
Rhynchonellata - Pentamerida - Clorindidae
Antirhynchonella sp. Oehlert 1887
Rhynchonellata - Pentamerida - Subrianidae
Conchidium sp. Oehlert 1887
Rhynchonellata - Atrypida - Anazygidae
Zygatrypa aff. paupera
Rhynchonellata - Atrypida - Atrypidae
Spinatrypa sp. Stainbrook 1951
Rhynchonellata - Atrypida - Atrypinidae
Gracianella sp. Johnson and Boucot 1967
Rhynchonellata - Atrypida - Septatrypidae
? Dubaria sp.
originally entered as "? Dubaria sp."
Pterobranchia - Graptoloidea - Monograptidae
Monograptus aff. ludensis (Murchison 1839)
2 species
Pterobranchia - Graptoloidea - Retiolitidae
Plectograptus sp.
Spinograptus sp.
unclassified
Vertebrata indet. Lamarck 1801
2 species, cyathispidid
Pteraspidomorphes
Pilolepsis margaritifera
Pteraspidomorpha - Ariaspididae
Ariaspis informal n. sp. Denison 1963
Ariaspis cf. ornata Denison 1963
2 species
Pteraspidomorpha - Traquairaspidae
Traquairaspis cf. lemniscata
Pteraspidomorpha - Cyathaspididae
Vernonaspis sp.
originally entered as "Veronaspis sp."
Conodonta - Ozarkodinida
Ozarkodina confluens (Rhodes 1953)
Conodonta - Ozarkodinida - Kockelellidae
Kockelella variabilis Walliser 1957
Conodonta - Ozarkodinida - Spathognathodontodae
Ozarkodina excavata (Branson and Mehl 1933)
Ozarkodina excavata excavata
Conodonta - Panderodontida - Panderodontidae
Panderodus sp. Ethington 1959
see common names

Geography
Country:Canada State/province:Northwest Territories
Coordinates: 75.1° North, 95.0° West (view map)
Paleocoordinates:2.2° North, 32.0° West
Basis of coordinate:based on political unit
Geographic resolution:outcrop
Time
Period: Silurian Epoch: Wenlock
Stage: Homerian 10 m.y. bin: Silurian 2
*Epoch:Late/Upper Wenlock
Key time interval: Homerian Graptolite zone:  Monograptus ludensis
Age range of interval: 430.5 - 427.4 m.y. ago
* legacy (obsolete) database fields
Stratigraphy
Formation:Cape Phillips
Stratigraphic resolution:bed
Stratigraphy comments: "upper Wenlock"
Lithology and environment
Primary lithology: calcareous "limestone"
Secondary lithology: "shale"
Environment:marine indet.
Geology comments: "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"
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils
Collection methods and comments
Reason for describing collection:paleoecologic analysis
Museum repositories:GSC
Taxonomic list comments:"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"
Metadata
Database number:497
Authorizer:J. Sepkoski, P. Wagner Enterer:M. Sommers, P. Wagner
Modifier:P. Wagner Research group:marine invertebrate
Created:1998-12-17 15:13:21 Last modified:2024-01-19 15:23:20
Access level:the public Released:1998-12-17 15:13:21
Creative Commons license:CC BY
Reference information

Primary reference:
60946. J., J.r. Pojeta and B. S. Norford. 1987. A Bohemian-type Silurian (Wenlock) pelecypod faunule from arctic Canada. Journal of Paleontology 61(3):508-520 [M. Uhen/J. Ju/P. Wagner]