Loc. 051083/2 [Navidad Formation]: Early/Lower Miocene, Chile
collected by Frassinetti 1983, 1984

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Gastropoda
Peonza benjamina Olivera 1994
Gastropoda - Neogastropoda - Olividae
Lamprodomina dimidiata (Sowerby 1846)
Gastropoda - Neogastropoda - Buccinidae
Penion darwinianus (Philippi 1887)
Austrofusus turbinelloides (Sowerby 1846)
Gastropoda - Neogastropoda - Turridae
Gemmula sp. (Weinkauff 1875)
Gastropoda - Neogastropoda - Pseudolividae
Testallium cepa (Sowerby 1846)
Gastropoda - Neogastropoda - Volutidae
Alcithoe vidali (Philippi 1897)
recombined as Pachycymbiola vidali
Gastropoda - Neogastropoda - Cancellariidae
Cancellaria medinae Philippi 1887
Gastropoda - Cassidae
Semicassis monilifera (Sowerby 1846)
Gastropoda - Naticidae
Neverita chiloensis (Philippi 1887)
Sinum sublobosus
Gastropoda - Opisthobranchia - Cylichnidae
Scaphander remondi (Philippi 1887)
Scaphander brevicula (Philippi 1887)
Bivalvia - Arcida - Cucullaeidae
Cucullaea alta Sowerby 1846
Bivalvia - Arcida - Glycymerididae
Glycymeris (Glycymeris) sp. da Costa 1778
Bivalvia - Cardiida - Veneridae
Chione volckmanni (Philippi 1887)
replaced by Ameghinomya volckmanni
Bivalvia - Cardiida - Mactridae
Mactra sp. Linnaeus 1767
Mactra pusilla Philippi 1887
Bivalvia - Cardiida - Cardiidae
Trachycardium puelchum (Sowerby 1846)
Bivalvia - Carditida - Crassatellidae
Tilicrassatella ponderosa (Philippi 1887)
Devries 2016
see common names

Geography
Country:Chile
Coordinates: 44.6° South, 74.6° West (view map)
Paleocoordinates:45.6° South, 68.5° 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:biostratigraphic analysis
Collectors:Frassinetti Collection dates:1983, 1984
Collection method comments: COLLECTOR: Presumably D. Frassinetti, prior to 1980. REPOSITORY: Nacional de Historia Natural en Santiago de Chile.
Taxonomic list comments:COVERAGE: Exhaustive for bivalvia and gastropoda. NOMENCLATURE: Authoritative publication, and with taxonomic assignments to species and subgenus resolution.
Metadata
Database number:79036
Authorizer:A. Hendy, W. Kiessling Enterer:A. Hendy, M. Krause
Research group:marine invertebrate
Created:2008-02-22 12:55:47 Last modified:2013-11-25 13:37:23
Access level:authorizer only Released:2009-02-22 12:55:47
Creative Commons license:CC BY
Reference information

Primary reference:

26543. D. Frassinetti. 2001. Molluscos bivalvos y gastrópodos del Mioceno marino de Isla Stokes, sur de Chile. Boletín del Museo Nacional de Historia Natural, Chile 50:73-90 [A. Hendy/A. Hendy]

Secondary references:

59889 T. J. Devries. 2016. Fossil Cenozoic crassatelline bivalves from Peru: New species and generic insights. Acta Palaeontologica Polonica 61 [W. Kiessling/M. Krause]