Rio Blanco (Pliocene of Costa Rica)

Where: Costa Rica (10.2° N, 83.8° W: paleocoordinates 10.1° N, 83.2° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Pliocene (5.3 - 2.6 Ma)

• LITHOSTRATIGRAPHY: Unknown. AGE: Pliocene, on the basis of faunal correlations. STRATIGRAPHIC POSITION: Unknown position within section.

• formation-level stratigraphic resolution

Environment/lithology: marine; siliciclastic sediments

• No paleoenvironmental data provided.
• LITHIFICATION: Unknown. LITHOLOGY: No lithologic data provided, but assumed to be siliciclastic.

Size class: macrofossils

Reposited in the PRI

Collection methods: surface (in situ),

• COLLECTOR: Olsson, A. REPOSITORY: PRI.

Primary reference: A. A. Olsson. 1922. The Miocene of Northern Costa Rica. Bulletins of American Paleontology 9(39):1-309 [A. Hendy/A. Hendy]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 134669: authorized by Austin Hendy, entered by Austin Hendy on 12.10.2012

Creative Commons license: CC BY (attribution)

Taxonomic list

• NOMENCLATURE: Authoritative publication, with species-resolution identifications, and antiquated nomenclature. COVERAGE: Exhaustive for molluscs.
Bivalvia
 Arcida - Arcidae
"Arca (Scapharca) golfoyaquensis" = Anadara (Rasia) golfoyaquensis
"Arca (Scapharca) golfoyaquensis" = Anadara (Rasia) golfoyaquensis Maury 1917 ark
SUBSPECIES: Arca (Scapharca) golfoyaquensis medioamericana
 Pectinida - Pectinoidae
"Pecten (Chlamys) costaricensis" = Argopecten uselmae
"Pecten (Chlamys) costaricensis" = Argopecten uselmae Pilsbry and Johnson 1917 calico scallop
 Ostreida - Ostreidae
Ostrea costaricensis Olsson 1922 oyster
 Cardiida - Chamidae
Arcinella arcinella2 Linnaeus 1767 jewel box
 Cardiida - Veneridae
Macrocallista maculata Linnaeus 1758 venus clam
Gastropoda
 Neogastropoda - Volutidae
Voluta alfaroi Dall 1912 volute
 Neogastropoda - Conidae
Conus granozonatus Guppy 1866 cone shell
 Cypraeoidea - Cypraeidae
"Cypraea cinerea" = Cypraea (Luria) cinerea
"Cypraea cinerea" = Cypraea (Luria) cinerea Martini 1769 cowry
 Tonnoidea - Cassidae
Sconsia grayi1 Adams 1855 snail
SUBSPECIES: Sconsia laevigata gabbi
 Sorbeoconcha - Turritellidae
"Turritella altilira" = Turritella (Bactrospira) altilira
"Turritella altilira" = Turritella (Bactrospira) altilira Conrad 1857 turret shell
SUBSPECIES: Turritella altilira chiriquiensis