Manzano Escondido: Late/Upper Callovian - Early/Lower Oxfordian, Argentina
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
unclassified
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Rehmannia patagoniense
Weaver 1931
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Cephalopoda
- Ammonitida
- Oppeliidae
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Hecticoceratinae indet.
Spath 1925
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Hecticoceras discoides
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(1 measurement) | ||||||||||
Hecticoceras hersilia
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Hecticoceras lairense
(Waagen 1875)
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(1 measurement) | ||||||||||
Hecticoceras virguloides
(Gerard and Contaut 1936)
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Cephalopoda
- Ammonitida
- Sphaeroceratidae
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Eurycephalitinae indet.
Thierry 1976
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Araucanites prereyesi
Parent 2006
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Cephalopoda
- Ammonitida
- Perisphinctidae
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Perisphinctidae indet.
Steinmann 1890
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Choffatia sp.
(Siemiradzki 1898)
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Cephalopoda
- Ammonitida
- Aspidoceratidae
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Euaspidoceras aff. ovale
(Neumann 1907)
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sp nov. | ||||||||||
Peltoceras convexum
(Hillebrandt 1995)
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see common names |
Geography
Country: | Argentina | State/province: | Neuquen |
Coordinates: | 39.0° South, 70.0° West (view map) | ||
Paleocoordinates: | 36.0° South, 31.7° West | ||
Basis of coordinate: | estimated from map |
Time
Period: | Jurassic |
10 m.y. bin: | Jurassic 5 |
Key time interval: | Late/Upper Callovian - Early/Lower Oxfordian |
Age range of interval: | 165.30000 - 154.80000 m.y. ago |
Stratigraphy
Formation: | Lotena |
Lithology and environment
Primary lithology: | ferruginous,nodular,green calcareous mudstone |
Secondary lithology: | ferruginous,nodular calcareous siltstone |
Includes fossils? | Y |
Environment: | marginal marine indet. |
Taphonomy
Modes of preservation: | body,mold/impression |
Size of fossils: | macrofossils |
Collection methods and comments
Reason for describing collection: | biostratigraphic analysis |
Metadata
Database number: | 135717 | ||
Authorizer: | J. Alroy | Enterer: | J. Martinelli |
Created: | 2012-11-05 20:53:57 | Last modified: | 2012-11-05 03:53:57 |
Access level: | the public | Released: | 2012-11-05 20:53:57 |
Creative Commons license: | CC BY |
Reference information
Primary reference:
43327. | H. Parent. 2006. Oxfordian and late Callovian ammonite faunas and biostratigraphy of the Neuquen-Mendoza and Tarapaca Basins (Jurassic, Ammonoidea, Western South-America). Boletin del Instituto de Fisiografia y Geologia 76(1-2):1-70 [J. Alroy/J. Martinelli] |