southwest of El Rosario: Santonian, Mexico
collected by H. Garbani, J. Loewe 1971
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
|
Reptilia
- Theropoda
- Alexornithidae
|
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Alexornis antecedens n. gen., n. sp.
Brodkorb 1976
|
Chiappe 1991 | 1 individual | ||||||||
| LACM 33213 | ||||||||||
|
Reptilia
- Hadrosauridae
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Lambeosaurinae indet.
Parks 1923
|
Ramírez-Velasco et al. 2014 | 1 individual | ||||||||
| partial skeleton, orig. L. laticaudus | ||||||||||
| see common names | ||||||||||
Geography
| Country: | Mexico | State/province: | Baja California |
| Coordinates: | 30.1° North, 115.7° West (view map) | ||
| Paleocoordinates: | 33.4° North, 82.7° West | ||
| Basis of coordinate: | based on political unit | ||
| Geographic resolution: | small collection |
Time
| Period: | Cretaceous | Epoch: | Late/Upper Cretaceous |
| Stage: | Santonian | 10 m.y. bin: | Cretaceous 6 |
| *Period: | Late/Upper Cretaceous | *Epoch: | Campanian |
| Key time interval: | Santonian | ||
| Age range of interval: | 86.30000 - 83.60000 m.y. ago | ||
| * legacy (obsolete) database fields | |||
Stratigraphy
| Formation: | La Bocana Roja |
| Stratigraphic resolution: | bed |
Lithology and environment
| Primary lithology: | not reported |
| Environment: | terrestrial indet. |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils |
Collection methods and comments
| Reason for describing collection: | taxonomic analysis | ||
| Museum repositories: | LACM | ||
| Collectors: | H. Garbani, J. Loewe | Collection dates: | 1971 |
| Taxonomic list comments:based on several fragmentary postcranial bones | |||
Metadata
| Also known as: | LACM 7256 | ||
| Database number: | 13312 | ||
| Authorizer: | J. Hunter, M. Carrano | Enterer: | J. Hunter, M. Carrano |
| Modifier: | M. Carrano | Research group: | vertebrate |
| Created: | 2002-02-20 12:35:41 | Last modified: | 2022-09-19 11:32:38 |
| Access level: | the public | Released: | 2002-02-20 12:35:41 |
| Creative Commons license: | CC BY | ||
Reference information
Primary reference:
| 6054. | P. Brodkorb. 1976. Discovery of a Cretaceous bird, apparently ancestral to the orders Coraciiformes and Piciformes (Aves: Carinatae). Smithsonian Contributions to Paleobiology 27:67-73 [J. Hunter/J. Hunter/J. Hunter] |
Secondary references:
| 4423 | 5% 19300 | L. M. Chiappe. 1991. Cretaceous birds of Latin America. Cretaceous Research 12(1):55-63 [J. Hunter/J. Hunter/J. Hunter] |
| 30643 | ETE | W. J. Morris. 1982. Terrestrial avian fossils from Mesozoic strata, Baja California, 1973. National Geographic Society Research Reports (1973) 14:487-489 [M. Carrano/M. Carrano] |
| 55641 | A. A. Ramírez-Velasco, R. Hernández-Rivera, and R. Servin-Pichardo. 2014. The hadrosaurian record from Mexico. In D. A. Eberth & D. C. Evans (ed.), Hadrosaurs 340-360 [M. Carrano/M. Carrano] | |
| 82620 | Á A. Ramírez-Velasco and R. Hernández-Rivera. 2015. Diversity of Late Cretaceous dinosaurs from Mexico. Boletín Geológico y Minero 126(1):63-108 [M. Carrano/M. Carrano] | |
| 82004 | H. E. Rivera-Sylva and K. Carpenter. 2014. Mexican saurischian dinosaurs. In H. E. Rivera-Sylva, K. Carpenter, & E. Frey (eds.), Dinosaurs and Other Reptiles from the Mesozoic of Mexico 143-155 [M. Carrano/M. Carrano] |