Loc. 2 - Estero de Maitenlahue [Navidad Formation]: Early/Lower Miocene, Chile
collected by Covacevich & Frassinetti
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Gastropoda
- Epitoniidae
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Opalia rugosa
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Gastropoda
- Turritellidae
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Turritella ambulacrum
Sowerby 1846
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Gastropoda
- Neogastropoda
- Olividae
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Olivancillaria (Lintricula) tumorifera
(Hupé 1854)
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synonym of Olivancillaria claneophila | |||||||
Lamprodomina dimidiata
(Sowerby 1846)
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Gastropoda
- Neogastropoda
- Buccinidae
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Siphonalia subreflexa
(Sowerby 1844)
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recombined as Austrosipho subreflexa | |||||||
Gastropoda
- Neogastropoda
- Nassariidae
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"Fusus" turbinelloides
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Gastropoda
- Neogastropoda
- Muricidae
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Acanthina sp.
Fischer de Waldheim 1807
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Gastropoda
- Neogastropoda
- Cancellariidae
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Cancellaria medinae
Philippi 1887
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Gastropoda
- Ranellidae
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Cymatium verruculosus
(Sowerby 1846)
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recombined as Ameranella verruculosa | |||||||
Gastropoda
- Naticidae
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Sinum subglobosus
(Sowerby 1846)
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Gastropoda
- Opisthobranchia
- Bullidae
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"Bulla" sp.
Linnaeus 1758
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Bivalvia
- Arcida
- Glycymerididae
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Glycymeris (Glycymeris) colchaguensis
(Hupé 1854)
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Bivalvia
- Pectinida
- Anomiidae
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Anomia sp.
Linnaeus 1758
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Bivalvia
- Ostreida
- Ostreidae
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Crassostrea sp.
Sacco 1897
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Bivalvia
- Mytilida
- Mytilidae
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Lithophaga sp.
Röding 1798
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Bivalvia
- Lucinida
- Lucinidae
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Lucinoma promaucana
(Philippi 1877)
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Miltha (Matanziella) vidali
(Philippi 1887)
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Bivalvia
- Cardiida
- Veneridae
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Amiantis sp.
Carpenter 1863
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Chione volckmanni
(Philippi 1887)
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replaced by Ameghinomya volckmanni | |||||||
Dosinia semilaevis
(Philippi 1887)
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Bivalvia
- Cardiida
- Mactridae
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Mactra sp.
Linnaeus 1767
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Bivalvia
- Carditida
- Crassatellidae
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Crassatella ponderosa
Philippi 1887
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recombined as Tilicrassatella ponderosa | |||||||
Bivalvia
- Nuculanida
- Malletiidae
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Neilo volckmanni
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Scaphopoda
- Dentaliida
- Dentaliidae
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Dentalium aff. matanzasense
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Thecostraca
- Balanomorpha
- Balanidae
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Balanus sp.
Da Costa 1778
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see common names |
Geography
Country: | Chile |
Coordinates: | 33.8° South, 71.8° West (view map) |
Paleocoordinates: | 34.7° South, 66.3° West |
Basis of coordinate: | based on nearby landmark |
Geographic resolution: | outcrop |
Time
Period: | Neogene | Epoch: | Miocene |
10 m.y. bin: | Cenozoic 5 | ||
Key time interval: | Early/Lower Miocene | ||
Age range of interval: | 23.03000 - 15.97000 m.y. ago |
Stratigraphy
Formation: | Navidad | ||||
Stratigraphic resolution: | bed | ||||
Stratigraphy comments: STRATIGRAPHIC RELATIONS: From the Navidad Fm, for which lithostratigraphic relationships are not discussed (in english) in text. AGE: Early-Middle Miocene in text based on macrofossil biostratigraphy. Here, tentatively assigned to Early Miocene based on more recent published age estimates. STRATIGRAPHIC POSITION: From unknown position within Navidad Fm. |
Lithology and environment
Primary lithology: | unlithified "siliciclastic" |
Includes fossils? | Y |
Lithology description: SPECIFIC LITHOLOGY: Not stated in text, but presumably siliciclastic. LITHIFICATION: Unlithified, based on figured specimens. | |
Environment: | coastal indet. |
Geology comments: ENVIRONMENT: Shallow marine, on the basis of faunal composition. |
Taphonomy
Modes of preservation: | body |
Size of fossils: | macrofossils |
Preservation of anatomical detail: | good |
Collection methods and comments
Collection methods: | surface (in situ),field collection |
Reason for describing collection: | taxonomic analysis |
Collectors: | Covacevich & Frassinetti |
Collection method comments: COLLECTOR: Presumably V. Covacevich and D. Frassinetti. R, prior to 1980. REPOSITORY: SGO. | |
Taxonomic list comments:COVERAGE: Exhaustive for bivalvia and gastropoda. NOMENCLATURE: Authoritative publication, and with taxonomic assignments to species and subgenus resolution. |
Metadata
Database number: | 78522 | ||
Authorizer: | A. Hendy | Enterer: | A. Hendy |
Modifier: | A. Hendy | Research group: | marine invertebrate |
Created: | 2008-02-07 20:01:45 | Last modified: | 2013-11-25 13:37:23 |
Access level: | authorizer only | Released: | 2009-02-07 20:01:45 |
Creative Commons license: | CC BY |
Reference information
Primary reference:
26399. | V. Covacevich and D. Frassinetti. 1986. El genero Cancellaria en el Mioceno de Chile con descripcion de cuatro especies nuevas (Gaastropoda: Cancellariidae). Revista Geológica de Chile 28-29:33-67 [A. Hendy/A. Hendy] |