Charco Azul [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 equador.

• 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: Presumably collected by A.A. Olsson. 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 66790: 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.
Show authors, comments, and common names
Bivalvia
 Nuculanida - Nuculanidae
"Nuculana (Jupiteria) davidana n. sp." = Saccella davidana, "Nuculana (Jupiteria) chiriquiana n. sp." = Saccella chiriquiana, Yoldia (Orthoyoldia) quiba
"Nuculana (Jupiteria) davidana n. sp." = Saccella davidana Olsson 1942 pointed nut clam
"Nuculana (Jupiteria) chiriquiana n. sp." = Saccella chiriquiana Olsson 1942 pointed nut clam
Yoldia (Orthoyoldia) quiba Olsson 1942 pointed nut clam
 Nuculida - Nuculidae
"Nucula iphigenia" = Nucula (Lamellinucula) iphigenia
"Nucula iphigenia" = Nucula (Lamellinucula) iphigenia Dall 1896 nut clam
SUBSPECIES: N. iphigenia azulensis
 Arcida - Arcidae
"Scapharca charcoazulensis n. sp." = Anadara (Rasia) charcoazulensis
"Scapharca charcoazulensis n. sp." = Anadara (Rasia) charcoazulensis Olsson 1942 ark
 Pectinida - Pectinoidae
"Pseudamusium terryi n. sp." = Delectopecten terryi
"Pseudamusium terryi n. sp." = Delectopecten terryi Olsson 1942 scallop
 Cardiida - Psammobiidae
Sanguinolaria azulensis n. sp.
 Cardiida - Tellinidae
"Macoma (Panacoma) chiriquiensis n. sp." = Panacoma chiriquiensis
"Macoma (Panacoma) chiriquiensis n. sp." = Panacoma chiriquiensis Olsson 1942 tellin clam
 Pholadida - Corbulidae
"Corbula (Varicorbula) granti n. sp." = Varicorbula granti
"Corbula (Varicorbula) granti n. sp." = Varicorbula granti Olsson 1942 clam
 Lucinida - Lucinidae
"Lucina (Lucinoma) chiripanica n. sp." = Lucinoma chiripanica
"Lucina (Lucinoma) chiripanica n. sp." = Lucinoma chiripanica Olsson 1942 clam
Gastropoda
 Pseudomelanoidea - Pseudomelaniidae
Leucosyrinx buricana n. sp., Leucosyrinx nicoya n. sp.
Leucosyrinx nicoya n. sp. Olsson 1942 snail
 Epitonioidea - Epitoniidae
"Epitonium (Ferminiscala) ferminianum" = Scalina ferminiana
"Epitonium (Ferminiscala) ferminianum" = Scalina ferminiana Dall 1908 wentletrap
 Sorbeoconcha - Naticidae
Natica scethra
Natica scethra Dall 1908 moon snail
SUBSPECIES: N. scethra bruica
 Neogastropoda - Harpidae
Harpa sp.
Harpa sp. Röding 1798 snail
 Neogastropoda - Columbellidae
Strombina (Recurvina) recurva2, Strombina (Recurvina) fusinoidea2, Strombina (Recurvina) penita2, Sincola (Sinuina) ecuadoriana2, "Strombina (Cotonopsis) sp." = Cotonopsis, Cotonopsis (Cotonopsis) panacostaricensis2, Mitrella (Longitrella) vespertina n. sp.
Strombina (Recurvina) recurva2 Sowerby 1832 snail
Strombina (Recurvina) penita2 Olsson 1942 snail
Sincola (Sinuina) ecuadoriana2 Pilsbry and Olsson 1941 snail
"Strombina (Cotonopsis) sp." = Cotonopsis Olsson 1942 snail
 Neogastropoda - Buccinidae
Metula sp., Strombinophos loripanus, Hanetia (Fusinosteira) alternata
Metula sp. Adams and Adams 1853 true whelk
Strombinophos loripanus Pilsbry and Olsson 1941 true whelk
 Neogastropoda - Nassariidae
"Nassa (Uzita) armuella n. sp." = Nassarius (Uzita) armuella, "Nassa (Uzita) terryi n. sp." = Nassarius (Uzita) terryi
"Nassa (Uzita) armuella n. sp." = Nassarius (Uzita) armuella Olsson 1942 snail
"Nassa (Uzita) terryi n. sp." = Nassarius (Uzita) terryi Olsson 1942 snail
 Neogastropoda - Cochlespiridae
"Ancistrosyrinx cedonulli" = Cochlespira (Ancistrosyrinx) cedonulli
"Ancistrosyrinx cedonulli" = Cochlespira (Ancistrosyrinx) cedonulli Reeve 1843 snail
SUBSPECIES: A. cedinoulli reevei
 Neogastropoda - Pseudomelatomidae
"Clathrodrillia (Buridrillia) panarica n. sp." = Buridrillia panarica
"Clathrodrillia (Buridrillia) panarica n. sp." = Buridrillia panarica Olsson 1942 snail
 Neogastropoda - Borsoniidae
Borsonella adamsi n. sp., Borsonella harrisi n. sp.
Borsonella adamsi n. sp. snail
Borsonella harrisi n. sp. snail
 Neogastropoda - Turridae
Polystira panamensis n. sp., "Pleurotomella (Phymorhynchus) agina n. sp." = Dallora agina
Polystira panamensis n. sp. turrid
"Pleurotomella (Phymorhynchus) agina n. sp." = Dallora agina Olsson 1942 turrid
 Neogastropoda - Cancellariidae
Cancellaria (Cancellaria) penita n. sp.
Cancellaria (Cancellaria) penita n. sp. Olsson 1942 snail
 Neogastropoda - Costellariidae
Fusiturricula woodringi n. sp.
Fusiturricula woodringi n. sp. ribbed mitre
 Sorbeoconcha - Cassidae
Semicassis centiquadrata1
Semicassis centiquadrata1 Valenciennes 1832 snail
1Beu 2010; 2Jung 1989