Porkuni bryozoans, Northern Estonia: Porkuni, Estonia
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Stenolaemata
- Trepostomida
- Monticuliporidae
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Dittopora sp.
Dybowski 1877
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Stenolaemata
- Fenestrata
- Chasmatoporidae
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Enallopora sp.
d'Orbigny 1849
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Stenolaemata
- Phylloporinidae
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Chasmatoporella sp.
Nekhoroshev 1936
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Stenolaemata
- Trepostomata
- Halloporidae
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Hallopora sp.
Bassler 1911
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Stenolaemata
- Cystoporata
- Fistuliporidae
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Fistulipora sp.
McCoy 1850
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Stenolaemata
- Cryptostomata
- Rhinidictyonidae
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Dicranopora sp.
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Stenolaemata
- Cryptostomata
- Ptilodictyidae
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Clathropora sp.
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Stenolaemata
- Cryptostomata
- Rhinidictyidae
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Stictopora sp.
Hall 1847
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Metadictya sp.
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Stenolaemata
- Cryptostomata
- Acanthocladiidae
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Pteropora sp.
Eichwald 1860
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Stenolaemata
- Cryptostomata
- Arthrostylidae
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Sceptropora sp.
Ulrich 1888
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Geography
| Country: | Estonia |
| Coordinates: | 59.0° North, 25.0° East (view map) |
| Paleocoordinates: | 26.7° South, 0.8° West |
| Geographic resolution: | local area |
Time
| Period: | Ordovician | Epoch: | Late Ordovician |
| Stage: | Hirnantian | 10 m.y. bin: | Ordovician 5 | *Epoch: | Ashgill | *Local age/stage: | Porkuni |
| Key time interval: | Porkuni | ||
| Age range of interval: | 445.2 - 443.8 m.y. ago | ||
| * legacy (obsolete) database fields | |||
Stratigraphy
| Stratigraphy comments: Possibly the Arina Fm., but possibly amalgamation from those throughout Porkuni stage. |
Lithology and environment
| Primary lithology: | ooidal lithified "limestone" |
| Environment: | sand shoal |
| Geology comments: Oolitic limestone with algae and presence of current-sorted shell banks. | |
Taphonomy
Collection methods and comments
| Collection excludes: | some macrofossils |
| Reason for describing collection: | taxonomic analysis |
| Taxonomic list comments:Bryozoan systematics | |
Metadata
| Database number: | 2757 | ||
| Authorizer: | A. Miller | Enterer: | P. Novack-Gottshall | Research group: | marine invertebrate |
| Created: | 1999-07-17 18:00:49 | Last modified: | 1999-07-17 21:00:49 |
| Access level: | the public | Released: | 2000-11-20 13:53:16 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 99. | K. Brood. 1981. Hirnantian (Upper Ordovician) Bryozoa from Baltoscandia. In G. P. Larnood and C. Nielson (eds.), Recent and fossil Bryozoa: Papers presented at the 5th International Conference on Bryozoa, Durham 19-27 [A. Miller/P. Novack-Gottshall/A. Clement] |