Blahall 1 G94-77LJ Homerian conodonts: Homerian, Sweden
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Conodonta
- Prioniodontida
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Pseudooneotodus beckmanni
(Bischoff and Sannemann 1958)
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Pseudooneotodus bicornis
Drygant 1974
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Oulodus siluricus
(Branson and Mehl 1933)
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| n. ssp. | ||||||||||
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Conodonta
- Prioniodontida
- Strachanognathidae
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Decoriconus sp.
Cooper 1976
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Conodonta
- Belodellida
- Dapsilodontidae
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Dapsilodus obliquicostatus
(Branson and Mehl 1933)
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Conodonta
- Ozarkodinida
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Ozarkodina bohemica
(Walliser 1964)
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| subspecies "O. bohemica longa" | ||||||||||
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Ozarkodina confluens
(Rhodes 1953)
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| original and current combination Trichonodella symmetrica | ||||||||||
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Conodonta
- Ozarkodinida
- Spathognathodontodae
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Ozarkodina excavata
(Branson and Mehl 1933)
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| recombined as Hindeodella excavata | ||||||||||
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Conodonta
- Ozarkodinida
- Kockelellidae
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Kockelella ortus
(Walliser 1964)
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| subspecies "K. ortus absidata" | ||||||||||
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Conodonta
- Panderodontida
- Panderodontidae
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Panderodus equicostatus
(Rhodes 1953)
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Panderodus unicostatus
(Branson and Mehl 1933)
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| original and current combination Paltodus unicostatus | ||||||||||
| see common names | ||||||||||
Geography
| Country: | Sweden | State/province: | Gotland |
| Coordinates: | 57.3° North, 18.2° East (view map) | ||
| Paleocoordinates: | 20.0° South, 2.7° West | ||
| Basis of coordinate: | estimated from map | ||
| Geographic resolution: | hand sample |
Time
| Period: | Silurian | Epoch: | Wenlock |
| Stage: | Homerian | 10 m.y. bin: | Silurian 2 |
| Key time interval: | Homerian | Conodont zone: | Kockelella ortus absidata |
| Age range of interval: | 430.50000 - 427.40000 m.y. ago |
Stratigraphy
| Formation: | Halla | Member: | Mulde Brick-clay |
| Local section: | Blahall 1 | Local bed: | G94-77LJ |
| Stratigraphic resolution: | bed |
Lithology and environment
| Primary lithology: | bioturbation lithified argillaceous wackestone | ||
| Secondary lithology: | lithified marl | ||
| Includes fossils? | Y | ||
| Lithology description: The facies is still generally a well bioturbated skeletal wackestone facies, although with subordinate intercalations of thin pack/grainstone tempestites | |||
| Environment: | deep subtidal ramp | Tectonic setting: | foreland basin |
Taphonomy
| Modes of preservation: | body,original phosphate |
| Size of fossils: | microfossils |
Collection methods and comments
| Collection methods: | bulk,chemical,acetic,sieve |
| Reason for describing collection: | biostratigraphic analysis |
Metadata
| Database number: | 163540 | ||
| Authorizer: | W. Kiessling | Enterer: | E. Jarochowska | Research group: | micropaleontology,vertebrate |
| Created: | 2014-11-04 03:50:48 | Last modified: | 2014-11-04 03:50:48 |
| Access level: | the public | Released: | 2014-11-04 03:50:48 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 53179. | M. Calner and L. Jeppsson. 2003. Carbonate platform evolution and conodont stratigraphy during the middle Silurian Mulde Event, Gotland, Sweden. Geological Magazine [W. Kiessling/E. Jarochowska] |