Rio Guanabanon, Burica Peninsula [Charco Azul Fm]: Pliocene, Costa Rica
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Bivalvia
- Nuculida
- Nuculidae
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Nucula iphigenia
Dall 1896
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recombined as Nucula (Lamellinucula) iphigenia | ||||||||||
SUBSPECIES: N. iphigenia azulensis | ||||||||||
Bivalvia
- Arcida
- Arcidae
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Arca (Argina) brevifrons
Sowerby I 1833
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recombined as Lunarca brevifrons | ||||||||||
Arca (Cunearca) nux
Sowerby I 1833
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recombined as Anadara nux | ||||||||||
Bivalvia
- Thraciida
- Periplomatidae
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Periploma planiuscula
Sowerby I 1834
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recombined as Periploma (Periploma) planiuscula | ||||||||||
Bivalvia
- Cardiida
- Cardiidae
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Cardium (Trigoniocardia) obovale
Sowerby 1833
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recombined as Apiocardia obovale | ||||||||||
Bivalvia
- Cardiida
- Veneridae
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Chione (Lirophora) kelletti
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original and current combination Lirophora | ||||||||||
Pitar (Lamelliconcha) anona n. sp.
Olsson 1942
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recombined as Lamelliconcha anona | ||||||||||
Bivalvia
- Lucinida
- Lucinidae
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Phacoides liani
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Gastropoda
- Neogastropoda
- Conidae
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Conus cf. patriceus
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Conus arcuatus
Sowerby 1829
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SUBSPECIES: C. arcuatus vacuanus | ||||||||||
Gastropoda
- Neogastropoda
- Pseudomelatomidae
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Clathrodrillia (Buridrillia) panarica n. sp.
Olsson 1942
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recombined as Buridrillia panarica | ||||||||||
Gastropoda
- Neogastropoda
- Terebridae
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Terebra (Strioterebrum) guanabana n. sp.
Olsson 1942
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recombined as Strioterebrum guanabana | ||||||||||
Terebra (Strioterebrum) aspera
Hinds 1843
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recombined as Terebra (Myurella) aspera | ||||||||||
Terebra (Terebra) elena
Pilsbry and Olsson 1941
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Gastropoda
- Neogastropoda
- Nassariidae
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Nassa (Arcularia) puntablancoensis
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spelled with current rank as Nassarius (Arcularia) | ||||||||||
Gastropoda
- Neogastropoda
- Columbellidae
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Strombina ecuadoriana
Pilsbry and Olsson 1941
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recombined as Strombina (Sinuina) ecuadoriana | ||||||||||
Gastropoda
- Neogastropoda
- Buccinidae
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Metula pilsbryi n. sp.
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Strombinophos loripanus
Pilsbry and Olsson 1941
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Phos (Antillophos) rutschi
Olsson 1942
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recombined as Antillophos (Antillophos) rutschi | ||||||||||
Gastropoda
- Bursidae
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Bursa nana
(Broderip and Sowerby 1829)
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recombined as Marsupina nana | ||||||||||
SUBSPECIES: B. nana jamanensis | ||||||||||
Gastropoda
- Turritellidae
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Turritella tigrina
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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 - 2.58800 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 Ecuador. |
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: | 66792 | ||
Authorizer: | A. Hendy | Enterer: | A. Hendy |
Modifier: | A. Hendy | Research group: | marine invertebrate |
Created: | 2006-10-16 10:12:35 | Last modified: | 2013-11-25 13:37:23 |
Access level: | the public | Released: | 2006-10-16 10:12:35 |
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] |