Rio Blanco, Burica Peninsula [Charco Azul Fm] (Pliocene of Costa Rica)

Where: Costa Rica (8.0° N, 82.9° W: paleocoordinates 7.9° N, 82.3° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Charco Azul Formation, Pliocene (5.3 - 2.6 Ma)

• 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 Ecuador.

• bed-level stratigraphic resolution

Environment/lithology: offshore; unlithified, tuffaceous shale

• ENVIRONMENT: Deposited in deeper waters, probably between 100 and 400 fathoms.
• SPECIFIC LITHOLOGY: Soft tuffaceous shale. LITHIFICATION: Unlithified, base on figured specimens and lithologic description.

Size class: macrofossils

Reposited in the PRI

Collection methods: quarrying,

• COLLECTORS: Collected by Mr Terry. REPOSITORIES: Collections reposited at PRI.

Primary reference: 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]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 66796: authorized by Austin Hendy, entered by Austin Hendy on 16.10.2006

Creative Commons license: CC BY (attribution)

Taxonomic list

• COVERAGE: Exhaustive for gastropoda and bivalvia. NOMENCLATURE: An authoratative publication, although somewhat antiquated. However, all occurrences include species-resolution assignments and subgeneric classification.
Bivalvia
 Nuculanida - Nuculanidae
"Nuculana (Jupiteria) davidana n. sp." = Saccella davidana, Nuculana iphigenia
"Nuculana (Jupiteria) davidana n. sp." = Saccella davidana Olsson 1942 pointed nut clam
Nuculana iphigenia pointed nut clam
SUBSPECIES: N. iphigenia zulensis
 Nuculida - Nuculidae
"Acila isthmica" = Acila (Acila) isthmica
"Acila isthmica" = Acila (Acila) isthmica Brown and Pilsbry 1911 divaricate nutclam
SUBSPECIES: A. isthmica burica
 Thraciida - Periplomatidae
"Periploma planiuscula" = Periploma (Periploma) planiuscula
"Periploma planiuscula" = Periploma (Periploma) planiuscula Sowerby I 1834 clam
 Cardiida - Cardiidae
"Cardium (Trigoniocardia) spiekeri" = Apiocardia spiekeri
"Cardium (Trigoniocardia) spiekeri" = Apiocardia spiekeri Hanna and Israelsky 1925 cockle
 Cardiida - Tellinidae
"Macoma (Macoploma) medioamericana n. sp." = Macoma (Psammacoma) ecuadoriana
"Macoma (Macoploma) medioamericana n. sp." = Macoma (Psammacoma) ecuadoriana Pilsbry and Olsson 1941 tellin clam
 Cardiida - Veneridae
Pitar sp. Römer 1857 venus clam
 Pholadida - Corbulidae
"Corbula ovulata" = Caryocorbula ovulata
"Corbula ovulata" = Caryocorbula ovulata Sowerby 1835 clam
Gastropoda
 Neogastropoda - Marginellidae
"Marginella sapotilla" = Prunum (Prunum) sapotilla
"Marginella sapotilla" = Prunum (Prunum) sapotilla Hinds 1844 margin shell
 Neogastropoda - Cancellariidae
 Neogastropoda - Olivellidae
"Oliva (Agaronia) testacea" = Agaronia testacea
"Oliva (Agaronia) testacea" = Agaronia testacea Lamarck 1811 snail
 Neogastropoda - Olividae
Oliva venulata olive snail
Olivella sp. Swainson 1831 olive snail
 Neogastropoda - Conidae
Conus pyriformis Reeve 1843 cone shell
Conus regularis Sowerby 1841 cone shell
 Neogastropoda - Terebridae
Terebra luctuosa auger snail
 Neogastropoda - Nassariidae
Nassa (Arcularia) puntablacoensis Pilsbry and Olsson 1941 snail
 Neogastropoda - Columbellidae
"Strombina ecuadoriana" = Strombina (Sinuina) ecuadoriana, "Strombina recurva" = Strombina (Recurvina) recurva, Columbella major
"Strombina ecuadoriana" = Strombina (Sinuina) ecuadoriana Pilsbry and Olsson 1941 snail
"Strombina recurva" = Strombina (Recurvina) recurva Sowerby 1832 snail
 Neogastropoda - Buccinidae
"Phos (Antillophos) rutschi n. sp." = Antillophos (Antillophos) rutschi
"Phos (Antillophos) rutschi n. sp." = Antillophos (Antillophos) rutschi Olsson 1942 true whelk
 Sorbeoconcha - Tonnidae
Malea ringens Swainson 1822 tun shell
 Sorbeoconcha - Pediculariidae
"Cypropterina pustulata" = Jenneria pustulata
"Cypropterina pustulata" = Jenneria pustulata Solander 1786 Jenner's Cowry
 Sorbeoconcha - Naticidae
Natica broderipiana Récluz 1844 moon snail
"Polinices recluzianus" = Glossaulax reclusiana Deshayes 1839 moon snail