Quebrada Quinchamalí: Neocomian, Chile
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Gastropoda
- Neritidae
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Otostoma sp.
d'Archaic 1859
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Bivalvia
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Bivalvia indet.
Linnaeus 1758
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Bivalvia
- Trigoniida
- Trigoniidae
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Trigoniidae indet.
Lamarck 1819
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Bivalvia
- Trigoniida
- Myophorellidae
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Myophorella hillebrandti
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Bivalvia
- Thraciida
- Thraciidae
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Thracia sp.
Blainville 1824
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| ? | ||||||||||
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Bivalvia
- Cardiida
- Arcticidae
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Arcticidae indet.
Newton 1891
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Anisocardia sp.
Munier-Chalmas 1863
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| ? | ||||||||||
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Bivalvia
- Carditida
- Astartidae
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Astarte sp.
Sowerby 1816
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Bivalvia
- Ostreida
- Gryphaeidae
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Gryphaeidae indet.
Vialov 1936
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Bivalvia
- Ostreida
- Bakevelliidae
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Gervillia sp.
Defrance 1820
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| ? | ||||||||||
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Bivalvia
- Mytilida
- Mytilidae
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Modiolus sp.
(Lamarck 1801)
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Geography
| Country: | Chile | State/province: | Copiapó | County: | Tierra Amarilla |
| Coordinates: | 27.3° South, 69.4° West (view map) | ||||
| Paleocoordinates: | 26.4° South, 34.1° West |
Time
| Period: | Cretaceous | Epoch: | Early/Lower Cretaceous |
| 10 m.y. bin: | Cretaceous 1-2 | ||
| Key time interval: | Neocomian | ||
| Age range of interval: | 145.00000 - 125.77000 m.y. ago |
Stratigraphy
| Formation: | Quebrada Monardes |
Lithology and environment
| Primary lithology: | lithified sandy conglomerate |
| Secondary lithology: | lithified "limestone" |
| Lithology description: Esta unidad está integrada, esencialmente, por areniscas, areniscas conglomerádicas y conglomerados de color rojizo, con intercalaciones de calizas, alcanzando un espesor máximo delorden de 1.300 m en su localidad tipo. | |
| Environment: | marine indet. |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils |
Collection methods and comments
| Reason for describing collection: | general faunal/floral analysis |
Metadata
| Also known as: | Formación Quebrada Monardes | ||
| Database number: | 224016 | ||
| Authorizer: | M. Rivadeneira | Enterer: | M. González Tejos |
| Modifier: | M. González Tejos | Research group: | marine invertebrate |
| Created: | 2022-01-01 16:13:40 | Last modified: | 2022-08-03 11:48:19 |
| Access level: | the public | Released: | 2022-01-01 16:13:40 |
| Creative Commons license: | CC BY | ||
Reference information
Primary reference:
| 78980. | V. Covacevich. 1985. Nueva localidad para Myophorella (M) hillebrandti Reyes y Perez en el norte de Chile: significado cronológico y paleobiogeográfico. Revista Geológica de Chile 24:103-106 [M. Rivadeneira/M. González Tejos/M. González Tejos] |