Hemse Marl NW Tentaculitids: Gorstian, Sweden
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
|
Trilobita
- Phacopida
- Cheiruridae
|
|||||||
|
Didrepanon gutnicum
|
Ramsköld 1983 | ||||||
|
Deiphon snodensis
|
Ramsköld 1983 | ||||||
|
Sphaerexochus latifrons
Angelin 1854
|
Ramsköld 1983 | ||||||
|
Tentaculita
- Volynitida
- Dicricoconidae
|
|||||||
|
Dicricoconus aemulus
|
|||||||
|
Dicricoconus tenuissimus
|
|||||||
|
Tentaculita
- Volynitida
- Rossiitidae
|
|||||||
|
Odessites geretiensis
|
|||||||
| see common names | |||||||
Geography
| Country: | Sweden | State/province: | Gotland |
| Coordinates: | 57.2° North, 18.4° East (view map) | ||
| Paleocoordinates: | 18.7° South, 2.4° West | ||
| Basis of coordinate: | based on political unit | ||
| Geographic resolution: | local area |
Time
| Period: | Silurian | Epoch: | Ludlow |
| Stage: | Gorstian | 10 m.y. bin: | Silurian 2 | *Epoch: | Early/Lower Ludlow |
| Key time interval: | Gorstian | ||
| Age range of interval: | 427.4 - 425.6 m.y. ago | ||
| * legacy (obsolete) database fields | |||
Stratigraphy
| Formation: | Hemse Beds | Member: | Marl NW | ||
| Stratigraphic resolution: | group of beds | ||||
| Stratigraphy comments: Correlation from Jeppsson (1983), Fossils and Strata 15:128.
| |||||
Lithology and environment
| Primary lithology: | marl | ||
| Secondary lithology: | "limestone" | ||
| Environment: | deep subtidal ramp | Tectonic setting: | cratonic basin |
| Geology comments: SEP: Based on taxonomic list and description of Hemse occurrences in orginal ref., it is clear that this sample comes from the marls in this unit. | |||
Taphonomy
Collection methods and comments
| Reason for describing collection: | taxonomic analysis |
Metadata
| Database number: | 13563 | ||
| Authorizer: | M. Foote, W. Kiessling | Enterer: | M. Foote, M. Krause |
| Modifier: | M. Foote | Research group: | marine invertebrate |
| Created: | 2002-04-12 13:38:12 | Last modified: | 2006-09-15 15:15:11 |
| Access level: | the public | Released: | 2002-04-12 13:38:12 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 6127. | K. Larsson. 1979. Silurian tentaculitids from Gotland and Scania. Fossils and Strata 11:1-180 [M. Foote/M. Foote/M. Uhen] |
Secondary references:
| 46067 | L. Ramsköld. 1983. Silurian cheirurid trilobites from Gotland. Palaeontology 26(Part 1):175-210 [W. Kiessling/M. Krause/M. Krause] |