Arroyo Truquico: Late Valanginian, Argentina
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Gastropoda
- Neritidae
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Lyosoma truquicoensis n. sp.
Cataldo 2017
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27 specimens | |||||||||
| CPBA 21364.1–27. | ||||||||||
| see common names | ||||||||||
Geography
| Country: | Argentina | State/province: | Neuquén |
| Coordinates: | 37.5° South, 70.3° West (view map) | ||
| Paleocoordinates: | 36.6° South, 33.4° West | ||
| Basis of coordinate: | stated in text |
Time
| Period: | Cretaceous | Epoch: | Early Cretaceous |
| Stage: | Valanginian | 10 m.y. bin: | Cretaceous 1 |
| Key time interval: | Late Valanginian | ||
| Age range of interval: | 139.8 - 132.6 m.y. ago |
Lithology and environment
| Primary lithology: | lithified calcareous "shale" |
| Includes fossils? | Y |
| Lithology description: dark shales with calcareous nodules | |
| Environment: | transition zone/lower shoreface |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils |
| Preservation of anatomical detail: | medium |
| Abundance in sediment: | abundant |
| Fragmentation: | occasional |
Collection methods and comments
| Collection methods: | surface (in situ),field collection |
| Reason for describing collection: | taxonomic analysis |
| Collection method comments: CPBA, Colección de Paleontología, Universidad de Buenos Aires, Buenos Aires, Argentina | |
Metadata
| Database number: | 232197 | ||
| Authorizer: | E. Vlachos | Enterer: | F. Aspromonte | Research group: | marine invertebrate |
| Created: | 2023-10-30 14:01:48 | Last modified: | 2023-10-30 14:01:48 |
| Access level: | the public | Released: | 2023-10-30 14:01:48 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 86214. | C. S. Cataldo. 2017. New records of marine gastropods from the Lower Cretaceous of west-central Argentina. Ameghiniana 54(4):405-440 [E. Vlachos/F. Aspromonte] |