Val Adrara T19: Late/Upper Hettangian, Italy
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Gastropoda
- Eucyclidae
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Amberleya (Amberleya) aff. decorata
Martin 1858
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1 specimen | ||||||
| recombined as Ambercyclus decoratus | |||||||
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Bivalvia
- Carditida
- Astartidae
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Praeconia tetragona
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1 specimen | ||||||
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Cephalopoda
- Ammonitida
- Schlotheimiidae
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Schlotheimia angulata
(Schlotheim 1820)
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1 specimen | ||||||
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Rhynchonellata
- Terebratulida
- Lobothyrididae
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Lobothyris ovatissimaeformis
(Bockh 1874)
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235 specimens | ||||||
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Rhynchonellata
- Terebratulida
- Zeilleriidae
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Zeilleria perforata
(Piette 1856)
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9 specimens | ||||||
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Rhynchonellata
- Rhynchonellida
- Wellerellidae
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Calcirhynchia rectemarginata
(Vecchia 1945)
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134 specimens | ||||||
| see common names | |||||||
Geography
| Country: | Italy |
| Coordinates: | 45.0° North, 9.0° East (view map) |
| Paleocoordinates: | 32.3° North, 13.1° East |
| Basis of coordinate: | based on nearby landmark |
| Geographic resolution: | small collection |
Time
| Period: | Jurassic | Epoch: | Early/Lower Jurassic |
| Stage: | Hettangian | 10 m.y. bin: | Jurassic 1 |
| *International age/stage: | Late/Upper Hettangian | ||
| Key time interval: | Late/Upper Hettangian | Zone: | Schlotheimia angulata |
| Age range of interval: | 201.40000 - 199.50000 m.y. ago | ||
| * legacy (obsolete) database fields | |||
Stratigraphy
| Formation: | Sedrina | ||
| Local section: | Val Adrara | Local bed: | T19 |
| Local order: | bottom to top | ||
| Stratigraphic resolution: | bed |
Lithology and environment
| Primary lithology: | ooidal lithified "limestone" |
| Lithology description: Oolitic limestones, bedded oosparitic and biointrasparitic limestones (50 cm thick interval) grigio-marroncino | |
| Environment: | carbonate indet. |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils |
Collection methods and comments
| Collection methods: | field collection |
| Reason for describing collection: | taxonomic analysis |
Metadata
| Database number: | 29028 | ||
| Authorizer: | F. Fursich | Enterer: | A. Tomasovych |
| Modifier: | M. Clapham | Research group: | marine invertebrate |
| Created: | 2003-03-18 06:55:55 | Last modified: | 2017-07-31 15:58:49 |
| Access level: | the public | Released: | 2003-03-18 06:55:55 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 7637. | M. Gaetani. 1970. Faune hettangiane della parte orientale della provincia di Bergamo. Rivista Italiana di Paleontologia 76(3):355-442 [F. Fursich/A. Tomasovych/A. Tomasovych] |