Charco Azul [Charco Azul Fm]: Pliocene, Costa Rica

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Bivalvia - Nuculida - Nuculidae
Nucula iphigenia Dall 1896
recombined as Nucula (Lamellinucula) iphigenia
SUBSPECIES: N. iphigenia azulensis
Bivalvia - Nuculanida - Nuculanidae
Nuculana (Jupiteria) chiriquiana n. sp. Olsson 1942
recombined as Saccella chiriquiana
Nuculana (Jupiteria) davidana n. sp. Olsson 1942
recombined as Saccella davidana
Yoldia (Orthoyoldia) quiba Olsson 1942
Bivalvia - Pectinida - Pectinidae
Pseudamusium terryi n. sp. Olsson 1942
recombined as Delectopecten terryi
Bivalvia - Arcida - Arcidae
Scapharca charcoazulensis n. sp. Olsson 1942
recombined as Anadara (Rasia) charcoazulensis
Bivalvia - Lucinida - Lucinidae
Lucina (Lucinoma) chiripanica n. sp. Olsson 1942
recombined as Lucinoma chiripanica
Bivalvia - Pholadida - Corbulidae
Corbula (Varicorbula) granti n. sp. Olsson 1942
recombined as Varicorbula granti
Bivalvia - Cardiida - Psammobiidae
Sanguinolaria azulensis n. sp.
Bivalvia - Cardiida - Tellinidae
Macoma (Panacoma) chiriquiensis n. sp. Olsson 1942
recombined as Panacoma chiriquiensis
Gastropoda - Naticidae
Natica scethra (Dall 1908)
original and current combination Natica (Cochlis) scethra
SUBSPECIES: N. scethra bruica
Gastropoda - Neogastropoda - Cancellariidae
Cancellaria (Cancellaria) penita n. sp. Olsson 1942
Gastropoda - Neogastropoda - Harpidae
Harpa sp. Röding 1798
Gastropoda - Neogastropoda - Pseudomelatomidae
Clathrodrillia (Buridrillia) panarica n. sp. Olsson 1942
recombined as Buridrillia panarica
Gastropoda - Neogastropoda - Cochlespiridae
Ancistrosyrinx cedonulli (Reeve 1843)
recombined as Cochlespira (Ancistrosyrinx) cedonulli
SUBSPECIES: A. cedinoulli reevei
Gastropoda - Neogastropoda - Borsoniidae
Borsonella adamsi n. sp.
Borsonella harrisi n. sp.
Gastropoda - Neogastropoda - Turridae
Pleurotomella (Phymorhynchus) agina n. sp. Olsson 1942
recombined as Dallora agina
Polystira panamensis n. sp.
Gastropoda - Neogastropoda - Costellariidae
Fusiturricula woodringi n. sp.
Gastropoda - Neogastropoda - Buccinidae
Strombinophos loripanus Pilsbry and Olsson 1941
Metula sp. Adams and Adams 1853
Hanetia (Fusinosteira) alternata
Gastropoda - Neogastropoda - Nassariidae
Nassa (Uzita) terryi n. sp. Olsson 1942
recombined as Nassarius (Uzita) terryi
Nassa (Uzita) armuella n. sp. Olsson 1942
recombined as Nassarius (Uzita) armuella
Gastropoda - Neogastropoda - Columbellidae
Sincola (Sinuina) ecuadoriana (Pilsbry and Olsson 1941)
Jung 1989
Strombina (Recurvina) penita (Olsson 1942)
Jung 1989
Strombina (Recurvina) fusinoidea (Dall 1916)
Jung 1989
Strombina (Recurvina) recurva (Sowerby 1832)
Jung 1989
Mitrella (Longitrella) vespertina n. sp.
Strombina (Cotonopsis) sp. (Olsson 1942)
original and current combination Cotonopsis
Cotonopsis (Cotonopsis) panacostaricensis (Olsson 1942)
Jung 1989
Gastropoda - Cassidae
Semicassis centiquadrata (Valenciennes 1832)
Beu 2010
Gastropoda - Pseudomelaniidae
Leucosyrinx buricana n. sp.
Leucosyrinx nicoya n. sp. Olsson 1942
Gastropoda - Epitoniidae
Epitonium (Ferminiscala) ferminianum Dall 1908
recombined as Scalina ferminiana
see common names

Geography
Country:Costa Rica
Coordinates: 8.0° North, 82.9° West (view map)
Paleocoordinates:7.9° North, 82.3° West
Basis of coordinate:based on nearby landmark
Geographic resolution:outcrop
Time
Period:Neogene Epoch:Pliocene
10 m.y. bin:Cenozoic 6
Key time interval:Pliocene
Age range of interval:5.33300 - 2.58000 m.y. ago
Stratigraphy
Formation:Charco Azul
Stratigraphic resolution:bed
Stratigraphy comments: LITHOSTRATIGRAPHY: From Charco Azul Formation (Olsson 1942), which unconformably underlies the Armurelles Fm (Pleistocene). AGE: Pliocene as it is overlain by very different Pleistocene fauna Age supported by other sources, including Collins and Coates (1999). Correlated to Jama and Canoa Formations of equador.
Lithology and environment
Primary lithology:tuffaceous unlithified "shale"
Includes fossils?Y
Lithology description: SPECIFIC LITHOLOGY: Soft tuffaceous shale. LITHIFICATION: Unlithified, base on figured specimens and lithologic description.
Environment:offshore
Geology comments: ENVIRONMENT: Deposited in deeper waters, probably between 100 and 400 fathoms.
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils
Preservation of anatomical detail:good
Collection methods and comments
Collection methods:selective quarrying,field collection
Reason for describing collection:taxonomic analysis
Museum repositories:PRI
Collection method comments: COLLECTORS: Presumably collected by A.A. Olsson. REPOSITORIES: Collections reposited at PRI.
Taxonomic list comments:COVERAGE: Exhaustive for gastropoda and bivalvia. NOMENCLATURE: An authoratative publication, although somewhat antiquated. However, all occurrences include species-resolution assignments and subgeneric classification.
Metadata
Database number:66790
Authorizer:A. Hendy Enterer:A. Hendy
Modifier:A. Hendy Research group:marine invertebrate
Created:2006-10-16 10:05:02 Last modified:2013-11-25 13:37:23
Access level:the public Released:2006-10-16 10:05:02
Creative Commons license:CC BY
Reference information

Primary reference:
17423. A. A. Olsson. 1942. Tertiary and Quaternary fossils from Burica Peninsula of Panama and Costa Rica. Bulletins of American Paleontology 27(106):1-106 [A. Miller/A. Hendy/A. Hendy]

Secondary references:

30037 A. G. Beu. 2010. Neogene Tonnoidean Gastropods of Tropical and South America; contributions to the Dominican Republic and Panama Paleontology Projects and Uplift of the Central American Isthmus. Bulletins of American Paleontology (377-378)1-550 [A. Hendy/A. Hendy/A. Hendy]
26828 P. Jung. 1989. Revision of the Strombina-group (Gastropoda; Columbellidae), fossil and living. Schweierische Paläontologische Abhandlungen 111:1-298 [A. Hendy/A. Hendy/A. Hendy]