Hoburgen 2, Gotland, Hamra Beds, stromatoporoid-calcimicrobial reef: Ludfordian, Sweden
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Stromatoporoidea
- Stromatoporoidea
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Stromatoporoidea indet.
Nicholson and Murie 1878
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Stromatoporoidea
- Syringostromatida
- Coenostromatidae
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Parallelostroma sp.
Nestor 1966
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Anthozoa
- Favositida
- Favositidae
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Favosites forbesi
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Anthozoa
- Favositida
- Alveolitidae
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Alveolites suborbicularis
Lamarck 1801
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Anthozoa
- Rugosa
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Rugosa indet.
Milne-Edwards and Haime 1850
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Crinoidea
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Crinoidea indet.
Miller 1821
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Gastropoda
- Euomphalina
- Oriostomatidae
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Oriostoma globosum
(von Schlotheim 1820)
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Lindström 1884 | |||||||||
| Oriostoma globosum sculptum | ||||||||||
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Gastropoda
- Euomphalina
- Platyceratidae
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Platyceras disciforme n. sp.
Lindström 1884
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Lindström 1884 | |||||||||
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Platyostoma cornutum
(Hisinger 1837)
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Lindström 1884 | |||||||||
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unclassified
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Rothpletzella gotlandica
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Rothpletzella munthei
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| see common names | ||||||||||
Geography
| Country: | Sweden |
| Coordinates: | 56.9° North, 18.1° East (view map) |
| Paleocoordinates: | 17.1° South, 2.2° West |
| Basis of coordinate: | based on nearby landmark |
| Geographic resolution: | outcrop |
Time
| Period: | Silurian | Epoch: | Ludlow |
| Stage: | Ludfordian | 10 m.y. bin: | Silurian 2 |
| Key time interval: | Ludfordian | ||
| Age range of interval: | 425.6 - 423 m.y. ago |
Stratigraphy
| Formation: | Hamra | ||||
| Stratigraphic resolution: | group of beds | ||||
| Stratigraphy comments: lower Hamra Beds | |||||
Lithology and environment
| Primary lithology: | lithified "reef rocks" |
| Lithology description: stromatoporoid-calcimicrobial reef | |
| Environment: | reef, buildup or bioherm |
Taphonomy
| Size of fossils: | macrofossils |
Collection methods and comments
| Collection methods: | field collection |
| Reason for describing collection: | general faunal/floral analysis |
Metadata
| Also known as: | Reef 1800 | ||
| Database number: | 79812 | ||
| Authorizer: | W. Kiessling, P. Wagner | Enterer: | U. Merkel, P. Wagner | Research group: | marine invertebrate |
| Created: | 2008-03-25 06:43:19 | Last modified: | 2008-03-25 08:43:19 |
| Access level: | authorizer only | Released: | 2010-01-08 10:39:56 |
| Creative Commons license: | CC BY | ||
Reference information
Primary reference:
| 26227. | M. Nose, D. U. Schmid, and R. R. Leinfelder. 2006. Significance of microbialites, calcimicrobes, and calcareous algae in reefal framework formation from the Silurian of Gotland, Sweden. Sedimentary Geology 192:243-265 [W. Kiessling/U. Merkel] |
Secondary references:
| 275 | G. Lindström. 1884. The Silurian Gastropoda and Pteropoda of Gotland. Kongliga Svenska Vetenskaps-Akademiens Handlingasr 19:1-250 [P. Wagner/P. Wagner/P. Wagner] |