Quebrada Charanal [Mirador Sandstone, Mancora Fm]: Early/Lower Oligocene, Peru

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
unclassified
Mancora burtti
Scaphopoda - Dentaliida - Dentaliidae
Dentalium indet. Linnaeus 1758
Gastropoda - Heterostropha - Architectonicidae
Architectonica sullana Olsson 1928
Gastropoda - Neritidae
Nerita indet. Linnaeus 1758
Gastropoda - Potamididae
Lagunitus lagunitensis
L. lagunitensis var. charanalensis, n. var.
Gastropoda - Turritellidae
Turritella indet. Lamarck 1799
Turritella hubbardi Hodson 1926
Turritella galvesia n. sp. Olsson 1931
Gastropoda - Cassidae
Morum (Oniscidea) dolioides n. sp. Olsson 1931
Gastropoda - Neogastropoda - Volutidae
Peruluta mancorensis (Olsson 1928)
Gastropoda - Neogastropoda - Harpidae
Morum (Herculea) charanalensis n. sp.
Gastropoda - Neogastropoda - Pseudolividae
Pseudoliva parinasensis Woods 1922
recombined as Pseudoliva (Buccinorbis) parinasensis
P. parinaensis var. mancorensis
Gastropoda - Neogastropoda - Olividae
Olivella (Lamprodoma) illesca n. sp. Olsson 1931
Gastropoda - Neogastropoda - Melongenidae
Melongena charanalensis n. sp. Olsson 1931
Gastropoda - Neogastropoda - Fasciolariidae
Mancorus grabaui n. sp. Olsson 1931
Gastropoda - Neogastropoda
Chiralithes cynosuris n. sp.
Gastropoda - Neogastropoda - Turridae
Polystira indet. Woodring 1928
Gastropoda - Neogastropoda - Clavatulidae
Surcula ? mayi Hanna and Israelsky 1925
Gastropoda - Neogastropoda - Conidae
Conus chiraensis Olsson 1930
recombined as Conus sauridens chiraensis
Gastropoda - Neogastropoda - Cancellariidae
Cancellaria indet. Lamarck 1799
Gastropoda - Naticidae
Polinices (Neverita) quirosana
original and current combination Neverita
Gastropoda - Opisthobranchia - Haminoeidae
Haminea indet. (Turton and Kingston 1830)
original and current combination Haminoea
Bivalvia - Nuculanida - Nuculanidae
Leda (Saccella) charanica n. sp. Olsson 1931
Leda (Saccella) miradorana n. sp. Olsson 1931
Bivalvia - Nuculida - Nuculidae
Nucula indet. Lamarck 1799
Bivalvia - Lucinida - Lucinidae
Codakia (Jagonia) peruviana n. sp. Olsson 1931
Phacoides (Miltha) woodi n. sp. Olsson 1930
recombined as Eomiltha woodi
Bivalvia - Poromyida - Verticordiidae
Verticordia indet. Sowerby 1844
Bivalvia - Pholadida - Corbulidae
Corbula indet. Bruguière 1789
Bivalvia - Cardiida - Mactridae
Spisula (Oxyperas) steinmanni n. sp. Olsson 1931
Bivalvia - Cardiida - Veneridae
Clementia peruviana Olsson 1928
recombined as Clementia (Egesta) peruviana
Pitaria (Lamelliconcha) charanica n. sp. Olsson 1931
Bivalvia - Cardiida - Chamidae
Chama indet. Linnaeus 1758
Bivalvia - Cardiida - Solecurtidae
Tagelus indet. Gray 1847
Bivalvia - Carditida - Carditidae
Venericardia charanalensis n. sp. Olsson 1931
recombined as Venericardia (Glyptoactis) charanalensis
see common names

Geography
Country:Peru State/province:Piura
Coordinates: 5.2° South, 80.6° West (view map)
Paleocoordinates:7.5° South, 74.3° West
Basis of coordinate:based on nearby landmark
Altitude:24 meters
Geographic resolution:local area
Time
Period:Paleogene Epoch:Oligocene
Stage:Rupelian 10 m.y. bin:Cenozoic 4
Key time interval:Early/Lower Oligocene
Age range of interval:33.90000 - 27.82000 m.y. ago
Stratigraphy
Formation:Mancora Member:Mirador Conglomerate
Stratigraphic resolution:formation
Stratigraphy comments: lower Mirador sandstones
basal Oligocene according to Higley 2004
Lithology and environment
Primary lithology:coarse,black poorly lithified conglomerate
Secondary lithology: poorly lithified sandstone
Includes fossils?Y
Lithology description: Erratic masses of fossiliferous sandstones in a conglomeratic zone interbedded amongst softer sandstone and sandy shales.
Environment:marine indet.
Taphonomy
Collection methods and comments
Collection excludes:some macrofossils
Reason for describing collection:taxonomic analysis
Taxonomic list comments:abundant fish remains, large whale vertebrae, fossil wood are also present
Metadata
Database number:55441
Authorizer:L. Ivany Enterer:L. Ivany
Modifier:A. Hendy Research group:marine invertebrate
Created:2005-10-23 15:26:21 Last modified:2017-05-23 16:34:15
Access level:the public Released:2005-10-23 15:26:21
Creative Commons license:CC BY
Reference information

Primary reference:
14915. A. A. Olsson. 1931. Contributions to the Tertiary Paleontology of Northern Peru: Part 4, The Peruvian Oligocene. Bulletins of American Paleontology 17(63) [L. Ivany/L. Ivany]

Secondary references:

18631 D. Higley. 2004. The Talara Basin Province of NW Peru: Cretaceous to Tertiary Total Petroleum System. United States Geological Survey Bulletin 2206(A):1-28 [L. Ivany/L. Ivany]