LH1: Darriwilian, Canada
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Conodonta
- Panderodontida
- Panderodontidae
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Parapanderodus quetus
|
7 elements | ||||||
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Parapanderodus striatus
|
1 element | ||||||
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Conodonta
- Proconodontida
- Fryxellodontidae
|
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Dzikodus peavyi
|
7 elements | ||||||
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Conodonta
- Protopanderodontida
- Protopanderodontidae
|
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Drepanodus cf. giganteus
|
51 elements | ||||||
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Drepanodus cf. robustus
Hadding 1913
|
7 elements | ||||||
| recombined as Protopanderodus robustus | |||||||
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Conodonta
- Protopanderodontida
- Drepanoistodontidae
|
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Paroistodus originalis
(Sergeeva 1963)
|
50 elements | ||||||
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Drepanoistodus spp.
|
20 elements | ||||||
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Drepanoistodus tableheadensis
(Stouge 1984)
|
16 elements | ||||||
| original and current combination Drepanoistodus tablepointensis | |||||||
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Conodonta
|
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Costiconus flexuodus
|
3 elements | ||||||
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Conodonta
- Prioniodontida
- Oistodontidae
|
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Oistodus cf. lanceolatus
Pander 1856
|
12 elements | ||||||
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Conodonta
- Prioniodontida
- Acodontidae
|
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|
Nealeodus martinpointensis
(Johnston and Barnes 2000)
|
2 elements | ||||||
|
Conodonta
- Prioniodontida
- Chirognathidae
|
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Oistodella pulchra
|
35 elements | ||||||
|
Conodonta
- Prioniodontida
- Paracordylodontidae
|
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Fahraeusodus marathonensis
(Bradshaw 1969)
|
1 element | ||||||
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Conodonta
- Prioniodontida
|
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Erraticodon informal n. sp. A
|
1 element | ||||||
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Conodonta
- Belodellida
- Ansellidae
|
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Ansella longicuspica
Zhang 1998
|
8 elements | ||||||
|
Conodonta
- Ozarkodinida
|
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|
Periodon macrodentatus
(Graves and Ellison 1941)
|
517 elements | ||||||
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Conodonta
|
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Apteracontiodus sp.
Bauer 2010
|
8 elements | ||||||
| see common names | |||||||
Geography
| Country: | Canada | State/province: | Newfoundland |
| Coordinates: | 50.0° North, 57.8° West (view map) | ||
| Paleocoordinates: | 28.1° South, 41.9° West | ||
| Geographic resolution: | outcrop |
Time
| Period: | Ordovician | Epoch: | Middle Ordovician |
| Stage: | Darriwilian | 10 m.y. bin: | Ordovician 3 |
| Key time interval: | Darriwilian | Conodont zone: | Periodon macrodentatus |
| Age range of interval: | 467.30000 - 458.40000 m.y. ago |
Stratigraphy
| Geological group: | Cow Head | Formation: | Shallow Bay | Member: | Factory Cove |
| Local section: | Lower Head | Local bed: | 0.9 m | ||
| Local order: | bottom to top | ||||
| Stratigraphic resolution: | bed | ||||
| Stratigraphy comments: Bed 15 | |||||
Lithology and environment
| Primary lithology: | peloidal,gray lithified grainstone |
| Includes fossils? | Y |
| Lithology description: The gastropods occur in light gray grainstone composed of well-sorted, sand-sized fragments of calcareous algae, micritized echinoderms, and peloids suggesting deposition in a shallow, high-energy environment. | |
| Environment: | shallow subtidal indet. |
Taphonomy
| Modes of preservation: | body,replaced with silica |
| Size of fossils: | macrofossils |
Collection methods and comments
| Collection excludes: | all microfossils,some macrofossils,difficult macrofossils |
| Collection methods: | bulk,chemical,field collection |
| Reason for describing collection: | taxonomic analysis |
| Museum repositories: | GSC |
Metadata
| Database number: | 210487 | ||
| Authorizer: | P. Wagner | Enterer: | P. Wagner |
| Modifier: | P. Wagner | Research group: | marine invertebrate |
| Created: | 2020-06-01 21:26:28 | Last modified: | 2020-06-01 23:04:33 |
| Access level: | the public | Released: | 2020-06-01 21:26:28 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 72582. | S. Stouge. 2012. Middle Ordovician (late Dapingian–Darriwilian) conodonts from the Cow Head Group and Lower Head Formation, western Newfoundland, Canada. Canadian Journal of Earth Sciences 49:59-90 [P. Wagner/P. Wagner] |