Baillie Hamilton Island (GSC C26939) (Devonian of Canada)

Where: Northwest Territories, Canada (76.0° N, 94.6° W: paleocoordinates 2.8° S, 25.7° W)

• small collection-level geographic resolution

When: Lochkovian (419.2 - 410.8 Ma)

• Unnamed formation that overlies the Cape Phillips Fm.

• bed-level stratigraphic resolution

Environment/lithology: shallow subtidal; lithified, argillaceous lime mudstone and packstone

• Thin to medium bedded argillaceous lime mudstone to packestone.

Preservation: replaced with silica

Reposited in the GSC

Primary reference: D. M. Rohr and R. E. Smith. 1978. Lower Devonian Gastropoda from the Canadian Arctic Islands. Canadian Journal of Earth Sciences 15:1228-1241 [J. Alroy/M. Sommers/P. Wagner]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 3748: authorized by John Alroy, entered by Mike Sommers on 09.08.1999

Creative Commons license: CC BY (attribution)

Taxonomic list

• List is gastropods and brachiopods. Fauna also present include "trilobites, pelecypods, auloproid corals, colonial corals, fish, rare to common crinoids, and orthocone cephalopods."
Show authors, comments, and common names
Gastropoda
 Euomphalina - Platyceratidae
Platyceras (Platyceras) aff. sinuatum
 Euomphalina - Oriostomatidae
"Cyclonema (Cyclonema) supralirata" = Oriomphalus supralirata
"Cyclonema (Cyclonema) supralirata" = Oriomphalus supralirata Rohr and Smith 1978 snail
 Cyrtoneritida - Orthonychiidae
"Platyceras (Orthonychia) aff. dentalium" = Orthonychia dentalium
"Platyceras (Orthonychia) aff. dentalium" = Orthonychia dentalium Hall 1862 snail
 Murchisoniina - Hormotomidae
"? Catazone sp." = Catazone
"? Catazone sp." = Catazone Perner 1907 snail
Rhynchonellata
 Pentamerida - Gypidulidae
Gypidula pelagica
Gypidula pelagica
ssp. pyraforme
 Rhynchonellida - Hebetoechiidae
Tadschikia crassiforma
 Rhynchonellida - Trigonirhynchiidae
Ancillotoechia gutta
Ancillotoechia gutta
ssp. rotunda
 Spiriferida - Delthyrididae
Howellella sp., Acanthospirifer macdonaldi
Howellella sp. Kozlowski 1946
 Spiriferida - Reticulariidae
Undispirifer laeviplicatus
 Spiriferida -
Notoparmella sp.
Notoparmella sp. Johnson 1973
 Atrypida - Atrypidae
Atrypa nieczlawiensis
 Atrypida - Atrypinidae
"Arctispira canadensis" = Rhynchogilviella canadensis
"Arctispira canadensis" = Rhynchogilviella canadensis Smith 1980
 Spiriferinida - Cyrtinidae
Cyrtina sp.
Cyrtina sp. Davidson 1858
 Orthida - Dalmanellidae
Tyersella sp.
 Orthida - Schizophoriidae
Schizophoria fossula
Schizophoria fossula
ssp. fossula
 Orthida - Draboviidae
Salopina submurifer
Strophomenata
 Strophomenida - Rafinesquinidae
"Leptaena nassichucki" = Leptaena nassichuki
"Leptaena nassichucki" = Leptaena nassichuki Smith 1980
 Strophomenida - Strophonellidae
Strophonella cf. plasi
 Strophomenida - Amphistrophiidae
Mesodouvillina equicostata
 Orthotetida - Chilidiopsidae
"Iridostrophia johnsoni" = Iridistrophia
"Iridostrophia johnsoni" = Iridistrophia