Barranca del Sisimico: Early/Lower Pleistocene - Middle Pleistocene, El Salvador
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Mammalia
- Notoungulata
- Toxodontidae
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Mixotoxodon sp.
Van Frank 1957
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Mammalia
- Proboscidea
- Gomphotheriidae
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Cuvieronius sp.
Osborn 1923
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Mammalia
- Cervidae
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Cervidae indet.
Gray 1821
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Mammalia
- Megalonychidae
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Meizonyx salvadorensis n. gen., n. sp.
Webb and Perrigo 1985
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Webb and Perrigo 1985 | |||||||||
| UF 27513 - holotype | ||||||||||
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Megalonyx obtusidens
Webb and Perrigo 1985
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Webb and Perrigo 1985 | |||||||||
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Mammalia
- Megatheriidae
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Eremotherium sp.
Spillmann 1948
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Reptilia
- Testudines
- Testudinidae
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Geochelone sp.
Fitzinger 1835
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| see common names | ||||||||||
Geography
| Country: | El Salvador |
| Coordinates: | 13.8° North, 88.8° West (view map) |
| Paleocoordinates: | 13.8° North, 88.7° West |
| Basis of coordinate: | stated in text |
| Altitude: | 687 meters |
| Geographic resolution: | small collection |
Time
| Period: | Quaternary | Epoch: | Pleistocene |
| 10 m.y. bin: | Cenozoic 6 | ||
| Key time interval: | Early/Lower Pleistocene - Middle Pleistocene | ||
| Age range of interval: | 2.58000 - 0.12900 m.y. ago |
Stratigraphy
| Formation: | Cuscatlán |
| Stratigraphic resolution: | bed |
Lithology and environment
| Primary lithology: | fine,tuffaceous sandstone |
| Includes fossils? | Y |
| Lithology description: fine tuffaceous sandstone | |
| Environment: | terrestrial indet. |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils |
Collection methods and comments
| Collection methods: | surface (in situ) |
| Reason for describing collection: | general faunal/floral analysis |
| Taxonomic list comments:list pertains only to "upper sandstone" | |
Metadata
| Database number: | 20152 | ||
| Authorizer: | J. Alroy, E. Vlachos | Enterer: | J. Alroy, E. Vlachos |
| Modifier: | P. Mannion | Research group: | vertebrate |
| Created: | 1993-02-18 00:00:00 | Last modified: | 2021-01-06 08:07:23 |
| Access level: | the public | Released: | 1993-02-18 00:00:00 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 3575. | S. D. Webb and S. C. Perrigo. 1984. Late Cenozoic Vertebrates from Honduras and El Salvador. Journal of Vertebrate Paleontology 4(2):237-254 [J. Alroy/J. Alroy/J. Ju] |
Secondary references:
| 75084 | H. G. McDonald, J. Arroyo-Cabrales, I. Alarcón-Durán and D. V. Espinosa-Martínez. 2020. First record of Meizonyx salvadorensis (Mammalia: Xenarthra: Pilosa) from the late Pleistocene of Mexico and its evolutionary implications. Journal of Systematic Palaeontology 18(22):1829-1851 [P. Mannion/P. Mannion/P. Mannion] | |
| 3576 | S. D. Webb and S. C. Perrigo. 1985. New megalonychid sloths from El Salvador. In G. G. Montgomery (ed.), The evolution and ecology of armadillos, sloths, and vermilinguas 113-120 [J. Alroy/J. Alroy/M. Uhen] |