Punta Pelada Formation: Late/Upper Oligocene, Costa Rica
collected by Aguilar
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Lepidocyclinidae
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Lepidocyclina sp.
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Nummulitidae
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Nummulites sp.
Lamarck 1801
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Anthozoa
- Scleractinia
- Pocilloporidae
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Pocilloporidae indet.
Gray 1842
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? Stylophora granulata
Duncan 1864
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Anthozoa
- Scleractinia
- Siderastreidae
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Siderastreidae indet.
Vaughan and Wells 1943
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Siderastrea siderae
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Anthozoa
- Scleractinia
- Merulinidae
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Antiguastrea celluosa
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Anthozoa
- Scleractinia
- Faviidae
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Faviidae indet.
Gregory 1900
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Gastropoda
- Turbinidae
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Astraea (Astralium) brevispina
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SUBSPECIES: Astraea (Astralium) brevispina | ||||||||||
= Turbinidae indet.
Rafinesque 1815
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Hendy 2020 | |||||||||
Unlikely to be Lithopoma brevispinosa [=Recent Caribbean distribution], and could be either Pomaulax or Megastraea | ||||||||||
Gastropoda
- Neotaenioglossa
- Calyptraeidae
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Calyptraea (Trochita) trochiformis
(Gmelin 1791)
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Calyptraea (Calyptraea) sp.
Lamarck 1799
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Gastropoda
- Ampullinidae
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Globularia (Globularia) fischeri
(Dall 1892)
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Pachycrommium cf. solenaeum
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Gastropoda
- Neogastropoda
- Mitridae
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Mitra sp.
Lamarck 1798
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Gastropoda
- Neogastropoda
- Olividae
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Oliva sp.
Bruguière 1789
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Gastropoda
- Neogastropoda
- Fasciolariidae
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Fasciolaria sp.
Lamarck 1799
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Gastropoda
- Neogastropoda
- Melongenidae
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Melongena sp.
Schumacher 1817
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Gastropoda
- Neogastropoda
- Conidae
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Conus aff. bravoi
(Spieker 1922)
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Conus aff. symmetricus
Sowerby 1849
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recombined as Purpuriconus symmetricus | ||||||||||
Gastropoda
- Neogastropoda
- Turbinellidae
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Xancus sp.
Röding 1798
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replaced by Turbinella | ||||||||||
Gastropoda
- Neogastropoda
- Volutidae
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Voluta aff. alfaroi
Dall 1912
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Ctenilyria cf. ctenista
Woodring 1964
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Gastropoda
- Neogastropoda
- Cancellariidae
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Cancellaria sp.
Lamarck 1799
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Trigonostoma sp.
Blainville 1827
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Gastropoda
- Cypraeidae
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Cypraea sp.
Linnaeus 1758
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Gastropoda
- Naticidae
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Natica (Natica) aff. bolbus
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Bivalvia
- Arcida
- Arcidae
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Anadara sp.
Gray 1847
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Bivalvia
- Arcida
- Glycymerididae
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Glycymeris sp.
Da Costa 1778
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Bivalvia
- Pectinida
- Pectinidae
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Argopecten aff. levicostatus
(Toula 1909)
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Bivalvia
- Ostreida
- Gryphaeidae
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Hyotissa aff. haitensis
(Sowerby 1850)
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Bivalvia
- Ostreida
- Ostreidae
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Crassostrea sp.
Sacco 1897
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Ostrea sp.
Linnaeus 1758
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Bivalvia
- Mytilida
- Mytilidae
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Lithophaga sp.
Röding 1798
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Bivalvia
- Cardiida
- Tellinidae
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Strigilla aff. canaria
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see common names |
Geography
Country: | Costa Rica |
Coordinates: | 10.0° North, 84.6° West (view map) |
Paleocoordinates: | 8.5° North, 82.2° West |
Geographic resolution: | local area |
Time
Period: | Paleogene | Epoch: | Oligocene |
Stage: | Chattian | 10 m.y. bin: | Cenozoic 4 |
Key time interval: | Late/Upper Oligocene | ||
Age range of interval: | 28.40000 - 23.03000 m.y. ago |
Stratigraphy
Formation: | Punta Pelada | ||||
Stratigraphic resolution: | formation | ||||
Stratigraphy comments: STRATIGRAPHIC RELATIONS: From the Punta Pelada Fm, which unconformably overlies and is laterally equivalent to the Senosri Fm (Late Eocene-Early Miocene) and is unconformably overlain by the Uscari Fm (Early-Late Miocene). THICKNESS: From beds with section of no more than 25 m. AGE: Late Oligocene to Early Miocene. Placed in the Late Oligocene by enterer. STRATIGRAPHIC POSITION: From beds throughout section. |
Lithology and environment
Primary lithology: | lithified sandstone |
Secondary lithology: | lithified "limestone" |
Includes fossils? | Y |
Includes fossils? | Y |
Lithology description: SPECIFIC LITHOLOGY: Sandstones, conglomerates and limestone. LITHIFICATION: Lithified, based on figured specimens. | |
Environment: | deep subtidal shelf |
Geology comments: ENVIRONMENT: Shallow marine environment (50-80 m depth), influenced by currents and localized clastic input. |
Taphonomy
Modes of preservation: | body,cast,mold/impression |
Size of fossils: | macrofossils |
Preservation of anatomical detail: | very poor |
Collection methods and comments
Collection methods: | field collection |
Reason for describing collection: | paleoecologic analysis |
Collectors: | Aguilar |
Collection method comments: COLLECTOR: T. Aguilar-Alvarez. REPOSITORY: Not stated, but presumably the Universidad de Costa Rica | |
Taxonomic list comments:COVERAGE: Exhaustive for gastropoda bivalvia, and with representation by echinoderms, decapods, and foraminifera. NOMENCLATURE: Publication provides systematic descriptions, although these may not be considered authoritative. Many taxa not assigned to species or subgenus resolution. |
Metadata
Database number: | 77791 | ||
Authorizer: | A. Hendy | Enterer: | A. Hendy | Research group: | marine invertebrate |
Created: | 2008-01-21 00:06:34 | Last modified: | 2013-11-25 13:37:23 |
Access level: | authorizer only | Released: | 2009-01-21 00:06:34 |
Creative Commons license: | CC BY |
Reference information
Primary reference:
26274. | T. Aguilar. 1999. Organismos de un arrecife fósil (Oligoceno Superior-Mioceno Inferior), del Caribe de Costa Rica. Revista de Biología Tropical 47(3) [A. Hendy/A. Hendy] |
Secondary references:
63217 | A. J. W. Hendy. 2020. Unpublished taxonomic backbone for Eastern Pacific Invertebrate Communities of the Cenozoic (EPICC) Thematic Collections Network. [A. Hendy/A. Hendy/A. Hendy] |