List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Reptilia
- Mosasauridae
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Amphekepubis johnsoni n. gen., n. sp.
Mehl 1930
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1 specimen | ||||||
| see common names | |||||||
Geography
| Country: | Mexico | State/province: | Nuevo León |
| Coordinates: | 25.8° North, 99.7° West (view map) | ||
| Paleocoordinates: | 28.5° North, 70.1° West | ||
| Basis of coordinate: | based on political unit | ||
| Geographic resolution: | small collection |
Stratigraphy
| Formation: | San Felipe | ||||
| Stratigraphic resolution: | bed | ||||
| Stratigraphy comments: "The matrix of the bones suggests certain parts of the San Felipe formation of the Upper Cretaceous, but this may be entirely misleading. It is likely that the remains are as young or younger than the San Filipe, however." | |||||
Lithology and environment
| Primary lithology: | concretionary lithified claystone |
| Includes fossils? | Y |
| Lithology description: "a refractory matrix of concretionary clay considerably harder than the bone." | |
| Environment: | marine indet. |
Taphonomy
| Modes of preservation: | body,concretion |
| Size of fossils: | macrofossils |
| Preservation of anatomical detail: | good |
| Abundance in sediment: | rare |
| Fragmentation: | occasional |
| Spatial resolution: | parautochthonous |
Collection methods and comments
| Collection methods: | survey of museum collection |
| Collection size: | 1 specimens |
| Reason for describing collection: | taxonomic analysis |
| Collectors: | C. D. Johnson |
Metadata
| Database number: | 107338 | ||
| Authorizer: | M. Carrano | Enterer: | H. Street |
| Modifier: | M. Carrano | Research group: | vertebrate |
| Created: | 2011-04-05 05:01:11 | Last modified: | 2022-07-01 12:03:32 |
| Access level: | the public | Released: | 2011-04-05 05:01:11 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 35724. | M. G. Mehl. 1930. A new genus of mosasaurs from Mexico, and notes on the pelvic girdle of Platecarpus. Denison University Bulletin, Journal of the Scientific Laboratories 29(10):383-400 [M. Carrano/H. Street/M. Carrano] |
Secondary references:
| 81945 | J. R. Guzmán-Gutiérrez and H. E. Rivera-Sylva. 2014. History of the discoveries of dinosaurs and Mesozoic reptiles in Mexico. In H. E. Rivera-Sylva, K. Carpenter, & E. Frey (eds.), Dinosaurs and Other Reptiles from the Mesozoic of Mexico 1-12 [M. Carrano/M. Carrano] | |
| 82053 | V. H. Reynoso and J. A. Cruz. 2014. Mesozoic lepidosauromorphs of Mexico: a review and discussion of taxonomic assignments. In H. E. Rivera-Sylva, K. Carpenter, & E. Frey (eds.), Dinosaurs and Other Reptiles from the Mesozoic of Mexico 44-78 [M. Carrano/M. Carrano] |