GSC 55050 - Beach south of Back Bay Village, ½ mile NW of westend Douglas Isl.: Telychian, Canada
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Craniata
- Trimerellida
- Trimerellidae
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Rhynobolus informal sp. A
Hall 1871
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Strophomenata
- Strophomenida
- Leptestiidae
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Leangella sp.
Opik 1933
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Strophomenata
- Strophomenida
- Sowerbyellidae
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Plectodonta (? Eoplecotdonta) cf. millinensis
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Strophomenata
- Strophomenida
- Amphistrophiidae
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Amphistrophia sp.
Hall and Clarke 1892
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Strophomenata
- Strophomenida
- Furcitellidae
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Pentlandina cf. parva
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Strophomenata
- Strophomenida
- Strophonellidae
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Strophonella cf. euglypha
(Dalman 1828)
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recombined as Strophoprion euglypha | |||||||
Strophomenata
- Strophomenida
- Leptostrophiidae
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Protomegastrophia prima
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Strophomenata
- Strophomenida
- Rafinesquinidae
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Leptaena spp.
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Strophomenata
- Strophomenida
- Strophochonetidae
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? Protochonetes sp.
Muir-Wood 1962
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Strophomenata
- Orthotetida
- Chilidiopsidae
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Chilidiopsis spp.
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synonym of Fardenia (Coolinia) | |||||||
Rhynchonellata
- Protorthida
- Skenidiidae
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Skenidioides sp.
Schuchert and Cooper 1931
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Rhynchonellata
- Spiriferida
- Cyrtiidae
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Eospirifer sp.
Schuchert 1913
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Macropleura sp.
Boucot 1963
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Cyrtia sp.
Dalman 1828
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Rhynchonellata
- Spiriferida
- Delthyrididae
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Howellella informal sp. 1
Kozlowski 1946
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Rhynchonellata
- Athyridida
- Nucleospiridae
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Nucleospira sp.
Hall 1859
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Rhynchonellata
- Athyridida
- Meristellidae
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Meristina sp.
Hall 1867
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Rhynchonellata
- Rhynchonellida
- Hebetoechiidae
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? Sphaerirhynchia sp.
Cooper and Muir-Wood 1951
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Rhynchonellata
- Rhynchonellida
- Machaerariidae
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Ferganella sp.
Nikiforova 1937
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Rhynchonellata
- Rhynchonellida
- Rhynchotrematidae
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? Stegerhynchus spp.
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original and current combination Rhynchonella (Stegerhynchus) | |||||||
Rhynchonellata
- Pentamerida
- Gypidulidae
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Sieberella sp.
Oehlert 1887
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Rhynchonellata
- Pentamerida
- Pentameridae
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Pentamerus sp.
Sowerby 1813
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Rhynchonellata
- Pentamerida
- Parastrophinidae
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Anastrophia sp.
Hall 1867
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Rhynchonellata
- Orthida
- Dicoelosiidae
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Dicaelosia sp.
(King 1850)
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original and current combination Dicoelosia | |||||||
Rhynchonellata
- Orthida
- Dalmanellidae
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Resserella cf. concavoconvexa
(Twenhofel 1928)
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recombined as Visbyella concavoconvexa | |||||||
Isorthis sp.
Kozlowski 1929
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Rhynchonellata
- Orthida
- Rhipidomellidae
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Dalejina cf. hybrida
(Sowerby 1839)
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Rhynchonellata
- Orthida
- Hesperorthidae
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Dolerorthis cf. rustica
(Sowerby 1839)
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Rhynchonellata
- Atrypida
- Atrypidae
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Atrypa "reticularis"
(Linnaeus 1758)
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original and current combination Anomia reticularis | |||||||
Plectatrypa imbricata
(Sowerby and Murchison 1839)
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Gastropoda
- Euomphalina
- Oriostomatidae
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Oriostoma cf. globosum
(von Schlotheim 1820)
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Gastropoda
- Euomphalina
- Euomphalidae
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Euomphalopterus sp.
Roemer 1876
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= Euomphalopterus aff. alatus
Wahlenberg 1821
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Wagner 2023 | ||||||
Gastropoda
- Murchisoniina
- Phanerotrematidae
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Pseudoscalites cf. lindstroemi
Boucot et al. 1967
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recombined as Phanerotrema lindstroemi | |||||||
see common names |
Geography
Country: | Canada | State/province: | New Brunswick |
Coordinates: | 45.1° North, 66.9° West (view map) | ||
Paleocoordinates: | 37.3° South, 35.5° West | ||
Basis of coordinate: | based on nearby landmark | ||
Geographic resolution: | outcrop |
Time
Period: | Silurian | Epoch: | Llandovery |
Stage: | Telychian | 10 m.y. bin: | Silurian 1 |
Key time interval: | Telychian | ||
Age range of interval: | 438.50000 - 433.40000 m.y. ago |
Stratigraphy
Formation: | Back Bay | ||||
Stratigraphic resolution: | formation | ||||
Stratigraphy comments: later named Back Bay formation. C4-C5 age of old scales. |
Lithology and environment
Primary lithology: | "limestone" |
Includes fossils? | Y |
Environment: | carbonate indet. |
Taphonomy
Modes of preservation: | body,cast |
Size of fossils: | macrofossils |
Collection methods and comments
Collection excludes: | some macrofossils |
Reason for describing collection: | taxonomic analysis |
Museum repositories: | GSC |
Metadata
Also known as: | Unnamed beds of map unit 4, St. George map-area (1094A) | ||
Database number: | 68834 | ||
Authorizer: | P. Wagner | Enterer: | P. Wagner |
Modifier: | P. Wagner | Research group: | marine invertebrate |
Created: | 2007-02-09 15:55:45 | Last modified: | 2007-02-14 16:14:28 |
Access level: | the public | Released: | 2007-02-09 15:55:45 |
Creative Commons license: | CC BY |
Reference information
Primary reference:
15770. | A. J. Boucot, J. G. Johnson, C. Harper and V. G. Walmsley. 1967. Silurian brachiopods and gastropods of southern New Brunswick. Geological Survey of Canada Bulletin 140(1):1-45 [P. Wagner/P. Wagner/O. Alfaro] |
Secondary references:
9042 | P. J. Wagner. 2023. Paleozoic Gastropod, Rostroconch, Helcionelloid and Tergomyan Database (2006 - 2023). [P. Wagner/P. Wagner/P. Wagner] |