AI'ma River (Section no. 17) Bed 2 (ca. 4 m): Hauterivian, Ukraine
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
|
Bivalvia
- Trigoniida
- Megatrigoniidae
|
||||||||||
|
Pterotrigonia caudata
|
||||||||||
|
Bivalvia
- Trigoniida
- Myophorellidae
|
||||||||||
|
Litschkovitrigonia inguschensis
|
||||||||||
| spelled with current rank as Steinmanella (Litschkovitrigonia) | ||||||||||
|
Bivalvia
- Trigoniida
- Trigoniidae
|
||||||||||
|
Trigonia carinata
|
||||||||||
| carinata | ||||||||||
| see common names | ||||||||||
Geography
| Country: | Ukraine | State/province: | Crimea |
| Coordinates: | 44.9° North, 35.9° East (view map) | ||
| Paleocoordinates: | 2.1° South, 47.8° East | ||
| Basis of coordinate: | estimated from map |
Time
| Period: | Cretaceous | Epoch: | Early/Lower Cretaceous |
| Stage: | Hauterivian | 10 m.y. bin: | Cretaceous 2 |
| Key time interval: | Hauterivian | ||
| Age range of interval: | 132.60000 - 125.77000 m.y. ago |
Stratigraphy
| Local section: | 2 | Local bed: | 4 m |
| Local order: | bottom to top |
Lithology and environment
| Primary lithology: | lithified calcareous sandstone |
| Secondary lithology: | nodular lithified sandy "limestone" |
| Lithology description: Alternation of plates of compact, very calcareous sandstones, in places sandy limestones and interbeds of weakly cemented sandstones, in places sands with sandy nodules. | |
| Environment: | marine indet. |
Taphonomy
| Modes of preservation: | body,cast |
| Size of fossils: | macrofossils |
Collection methods and comments
| Collection excludes: | some macrofossils |
| Reason for describing collection: | taxonomic analysis |
Metadata
| Database number: | 124750 | ||
| Authorizer: | M. Aberhan | Enterer: | D. Wellmanns | Research group: | marine invertebrate |
| Created: | 2012-02-23 01:00:20 | Last modified: | 2012-02-22 08:00:20 |
| Access level: | authorizer only | Released: | 2017-02-23 01:00:20 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 40328. | B. T. Yanin. 2004. Early Cretaceous Trigonids of the Crimea. Paleontological Journal 38(6):563-652 [M. Aberhan/D. Wellmanns/D. Wellmanns] |