Las Manuelas 2, Level LM7: Wordian, Mexico
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Strophomenata
- Productida
- Hercosiidae
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Hercosestria cribrosa
Cooper and Grant 1969
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1 individual | ||||||
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Strophomenata
- Productida
- Cyclacanthariidae
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? Teguliferina sp.
Schuchert and LeVene 1929
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1 individual | ||||||
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Sestropoma informal sp. 1
Cooper and Grant 1969
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2 individuals | ||||||
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Sestropoma informal sp. 2
Cooper and Grant 1969
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4 individuals | ||||||
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Sestropoma cribriferum
Cooper and Grant 1969
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4 individuals | ||||||
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Sestropoma mexicanum
Cooper and Grant 1975
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1 individual | ||||||
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Cyclacantharia aff. kingorum
Cooper and Grant 1969
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1 individual | ||||||
| see common names | |||||||
Geography
| Country: | Mexico | State/province: | Coahuila |
| Coordinates: | 26.4° North, 102.9° West (view map) | ||
| Paleocoordinates: | 2.0° South, 34.8° West | ||
| Basis of coordinate: | estimated from map | ||
| Geographic resolution: | small collection |
Time
| Period: | Permian | Epoch: | Guadalupian |
| Stage: | Wordian | 10 m.y. bin: | Permian 4 |
| Key time interval: | Wordian | ||
| Age range of interval: | 266.90000 - 264.28000 m.y. ago |
Stratigraphy
| Formation: | Las Delicias | ||
| Local section: | Las Manuelas 2 | Local bed: | 7 |
| Local order: | bottom to top | ||
| Stratigraphic resolution: | bed |
Lithology and environment
| Primary lithology: | lithified "reef rocks" |
| Environment: | perireef or subreef |
Taphonomy
| Modes of preservation: | body,original calcite |
| Size of fossils: | macrofossils |
Collection methods and comments
| Collection excludes: | all microfossils |
| Collection methods: | mechanical,field collection |
| Reason for describing collection: | taxonomic analysis |
| Taxonomic list comments:Only brachiopods reported. Cephalopods, sponges, crinoids, and others were reported to be present. | |
Metadata
| Database number: | 232561 | ||
| Authorizer: | W. Kiessling, M. Clapham | Enterer: | A. Watson, M. Clapham | Research group: | marine invertebrate |
| Created: | 2023-12-05 08:16:01 | Last modified: | 2023-12-05 08:16:01 |
| Access level: | authorizer only | Released: | 2024-03-05 08:16:01 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 86720. | M. A. Galeana-Moran, J. Quiroz-Barragán, and F. Sour-Tovar. 2022. Richthofenid brachiopods (Productida) and microfacies analysis of the Las Delicias Formation, middle Permian from Coahuila, Mexico: paleoenvironmental and paleobiogeographical considerations. Journal of South American Earth Sciences 118(103910) [W. Kiessling/A. Watson/M. Clapham] |