Baillie Hamilton Island (GSC C26939): Lochkovian, Canada
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Gastropoda
- Murchisoniina
- Hormotomidae
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? Catazone sp.
Perner 1907
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1 specimen | |||||||||
| spelled with current rank as Catazone | ||||||||||
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Gastropoda
- Euomphalina
- Platyceratidae
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Platyceras (Platyceras) aff. sinuatum
Hall 1859
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2 specimens | |||||||||
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Gastropoda
- Euomphalina
- Oriostomatidae
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Cyclonema (Cyclonema) supralirata
Rohr and Smith 1978
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3 specimens | |||||||||
| recombined as Oriomphalus supralirata | ||||||||||
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Gastropoda
- Cyrtoneritida
- Orthonychiidae
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Platyceras (Orthonychia) aff. dentalium
Hall 1862
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198 specimens | |||||||||
| recombined as Orthonychia dentalium | ||||||||||
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Strophomenata
- Orthotetida
- Chilidiopsidae
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Iridostrophia johnsoni
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59 specimens | |||||||||
| original and current combination Iridistrophia | ||||||||||
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Strophomenata
- Strophomenida
- Strophonellidae
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Strophonella cf. plasi
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1 specimen | |||||||||
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Strophomenata
- Strophomenida
- Amphistrophiidae
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Mesodouvillina equicostata
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283 specimens | |||||||||
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Strophomenata
- Strophomenida
- Rafinesquinidae
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Leptaena nassichucki
(Smith 1980)
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3 specimens | |||||||||
| misspelling Leptaena nassichuki | ||||||||||
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Rhynchonellata
- Atrypida
- Atrypinidae
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Arctispira canadensis
Smith 1980
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214 specimens | |||||||||
| recombined as Rhynchogilviella canadensis | ||||||||||
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Rhynchonellata
- Atrypida
- Atrypidae
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Atrypa nieczlawiensis
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5 specimens | |||||||||
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Rhynchonellata
- Orthida
- Schizophoriidae
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Schizophoria fossula
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680 specimens | |||||||||
| ssp. fossula | ||||||||||
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Rhynchonellata
- Orthida
- Draboviidae
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Salopina submurifer
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1 specimen | |||||||||
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Rhynchonellata
- Orthida
- Dalmanellidae
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Tyersella sp.
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13 specimens | |||||||||
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Rhynchonellata
- Pentamerida
- Gypidulidae
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Gypidula pelagica
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1 specimen | |||||||||
| ssp. pyraforme | ||||||||||
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Rhynchonellata
- Spiriferida
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Notoparmella sp.
Johnson 1973
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105 specimens | |||||||||
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Rhynchonellata
- Spiriferida
- Delthyrididae
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Acanthospirifer macdonaldi
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2 specimens | |||||||||
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Howellella sp.
Kozlowski 1946
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9 specimens | |||||||||
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Rhynchonellata
- Spiriferida
- Reticulariidae
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Undispirifer laeviplicatus
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5 specimens | |||||||||
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Rhynchonellata
- Rhynchonellida
- Hebetoechiidae
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Tadschikia crassiforma
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3 specimens | |||||||||
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Rhynchonellata
- Rhynchonellida
- Trigonirhynchiidae
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Ancillotoechia gutta
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49 specimens | |||||||||
| ssp. rotunda | ||||||||||
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Rhynchonellata
- Spiriferinida
- Cyrtinidae
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Cyrtina sp.
Davidson 1858
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16 specimens | |||||||||
| see common names | ||||||||||
Geography
| Country: | Canada | State/province: | Northwest Territories |
| Coordinates: | 76.0° North, 94.6° West (view map) | ||
| Paleocoordinates: | 2.8° South, 25.7° West | ||
| Geographic resolution: | small collection |
Time
| Period: | Devonian | Epoch: | Early/Lower Devonian |
| Stage: | Lochkovian | 10 m.y. bin: | Devonian 1 |
| *Period: | Early/Lower Devonian | ||
| *International age/stage: | Early/Lower Lochkovian | ||
| Key time interval: | Lochkovian | ||
| Age range of interval: | 419.20000 - 410.80000 m.y. ago | ||
| * legacy (obsolete) database fields | |||
Stratigraphy
| Stratigraphic resolution: | bed | ||||
| Stratigraphy comments: Unnamed formation that overlies the Cape Phillips Fm. | |||||
Lithology and environment
| Primary lithology: | lithified argillaceous lime mudstone |
| Secondary lithology: | packstone |
| Environment: | shallow subtidal indet. |
| Geology comments: Thin to medium bedded argillaceous lime mudstone to packestone. | |
Taphonomy
| Modes of preservation: | body,replaced with silica |
Collection methods and comments
| Collection excludes: | some macrofossils |
| Collection methods: | field collection |
| Reason for describing collection: | taxonomic analysis |
| Museum repositories: | GSC |
| Taxonomic list comments:List is gastropods and brachiopods. Fauna also present include "trilobites, pelecypods, auloproid corals, colonial corals, fish, rare to common crinoids, and orthocone cephalopods." | |
Metadata
| Database number: | 3748 | ||
| Authorizer: | J. Alroy | Enterer: | M. Sommers | Research group: | marine invertebrate |
| Created: | 1999-08-09 13:51:09 | Last modified: | 2001-08-16 13:10:32 |
| Access level: | the public | Released: | 2000-11-20 13:53:20 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 237. | 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] |