Weston, near Toronto, Lorraine Fm.: Maysvillian, Canada
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Rhynchonellata
- Atrypida
- Anazygidae
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Catazyga headi
(Billings 1862)
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Strophomenata
- Strophomenida
- Plectambonitidae
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Plectambonites sericeus
Sowerby 1839
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Strophomenata
- Strophomenida
- Strophomenidae
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Strophomena fluctuosa
Billings 1860
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| recombined as Nasutimena fluctuosa | ||||||||||
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Strophomenata
- Strophomenida
- Rafinesquinidae
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Rafinesquina alternata
(Conrad 1838)
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Rafinesquina mucronata
Foerste 1914
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Tergomya
- Cyrtonellida
- Cyrtolitidae
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Cyrtolites ornatus
Conrad 1838
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Bivalvia
- Myalinida
- Ambonychiidae
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Byssonychia radiata
(Hall 1847)
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| synonym of Byssonychia radiata | ||||||||||
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Bivalvia
- Modiomorphida
- Allodesmatidae
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Ischyrodonta unionoides
Meek 1893
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| Ischyrodonta unionoides westonensis | ||||||||||
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Bivalvia
- Modiomorphida
- Modiomorphidae
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Pholadomorpha pholadiformis
(Hall 1851)
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Orthodesma nasutum
(Hall 1847)
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Bivalvia
- Lyrodesmatidae
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Lyrodesma poststriatum
(Emmons 1842)
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Bivalvia
- Nuculanida
- Nuculanidae
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Clidophorus planulatus
Conrad 1847
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Cephalopoda
- Orthocerida
- Sactoceratidae
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Sactoceras westonense
Foerste 1924
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Gastropoda
- Murchisoniina
- Eotomariidae
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Clathrospira subconica
(Hall 1847)
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Trilobita
- Phacopida
- Calymenidae
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Calymene sp.
Brongniart 1822
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| see common names | ||||||||||
Geography
| Country: | Canada | State/province: | Ontario | County: | Toronto |
| Coordinates: | 43.7° North, 79.5° West (view map) | ||||
| Paleocoordinates: | 24.8° South, 53.9° West | ||||
| Basis of coordinate: | estimated from map |
Time
| Period: | Ordovician | Epoch: | Late/Upper Ordovician |
| Stage: | Katian | 10 m.y. bin: | Ordovician 5 |
| Key time interval: | Maysvillian | ||
| Age range of interval: | 450.40000 - 449.80000 m.y. ago |
Stratigraphy
| Formation: | Lorraine | ||||
| Stratigraphy comments: "Pholadomorpha zone = Lorraine Fm", in Foerste (1924) |
Lithology and environment
| Primary lithology: | "limestone" |
| Environment: | marine indet. |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils,mesofossils |
Collection methods and comments
| Collection excludes: | some genera |
| Reason for describing collection: | taxonomic analysis |
Metadata
| Database number: | 173249 | ||
| Authorizer: | B. Kröger | Enterer: | S. Scholze |
| Modifier: | S. Scholze | Research group: | marine invertebrate |
| Created: | 2015-09-14 07:32:28 | Last modified: | 2015-09-16 04:02:14 |
| Access level: | the public | Released: | 2015-09-14 07:32:28 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 11615. | A. F. Foerste. 1924. Upper Ordovician faunas of Ontario and Quebec. Geological Survey of Canada Memoir 138(121):1-99 [P. Wagner/P. Wagner/P. Wagner] |