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
Opalia rugosa
Gastropoda - Turritellidae
Turritella ambulacrum Sowerby 1846
Gastropoda - Neogastropoda - Olividae
Olivancillaria (Lintricula) tumorifera (Hupé 1854)
synonym of Olivancillaria claneophila
Lamprodomina dimidiata (Sowerby 1846)
Gastropoda - Neogastropoda - Buccinidae
Siphonalia subreflexa (Sowerby 1844)
recombined as Austrosipho subreflexa
Gastropoda - Neogastropoda - Nassariidae
"Fusus" turbinelloides
Gastropoda - Neogastropoda - Muricidae
Acanthina sp. Fischer de Waldheim 1807
Gastropoda - Neogastropoda - Cancellariidae
Cancellaria medinae Philippi 1887
Gastropoda - Ranellidae
Cymatium verruculosus (Sowerby 1846)
recombined as Ameranella verruculosa
Gastropoda - Naticidae
Sinum subglobosus (Sowerby 1846)
Gastropoda - Opisthobranchia - Bullidae
"Bulla" sp. Linnaeus 1758
Bivalvia - Arcida - Glycymerididae
Glycymeris (Glycymeris) colchaguensis (Hupé 1854)
Bivalvia - Pectinida - Anomiidae
Anomia sp. Linnaeus 1758
Bivalvia - Ostreida - Ostreidae
Crassostrea sp. Sacco 1897
Bivalvia - Mytilida - Mytilidae
Lithophaga sp. Röding 1798
Bivalvia - Lucinida - Lucinidae
Lucinoma promaucana (Philippi 1877)
Miltha (Matanziella) vidali (Philippi 1887)
Bivalvia - Cardiida - Veneridae
Amiantis sp. Carpenter 1863
Chione volckmanni (Philippi 1887)
replaced by Ameghinomya volckmanni
Dosinia semilaevis (Philippi 1887)
Bivalvia - Cardiida - Mactridae
Mactra sp. Linnaeus 1767
Bivalvia - Carditida - Crassatellidae
Crassatella ponderosa Philippi 1887
recombined as Tilicrassatella ponderosa
Bivalvia - Nuculanida - Malletiidae
Neilo volckmanni
Scaphopoda - Dentaliida - Dentaliidae
Dentalium aff. matanzasense
Thecostraca - Balanomorpha - Balanidae
Balanus sp. Da Costa 1778
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]