K 1429 - Courbaril Member, Point Courbaril: Early/Lower Pliocene, Trinidad and Tobago
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Scaphopoda
- Dentaliida
- Dentaliidae
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Dentalium (Dentalium) divulgatum
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Bivalvia
- Nuculanida
- Nuculanidae
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Nuculana (Saccella) ludificans
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original and current combination Saccella | ||||||||||
Bivalvia
- Pectinida
- Anomiidae
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Anomia simplex
d'Orbigny 1845
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Bivalvia
- Pectinida
- Pectinidae
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Aequipecten (Plagioctenium) sp.
(Dall 1898)
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synonym of Argopecten | ||||||||||
Bivalvia
- Arcida
- Arcidae
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Anadara (Anadara) inaequilateralis
(Maury 1917)
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Anadara (Cunearca) filicata
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Lunarca billingsiana
(Maury 1912)
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Bivalvia
- Arcida
- Noetiidae
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Noetia (Noetia) sheldoniana
(Maury 1912)
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Noetia (Eontia) centrota
(Guppy 1867)
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Bivalvia
- Pholadida
- Corbulidae
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Caryocorbula (Caryocorbula) helenae
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Caryocorbula (Caryocorbula) sp.
Gardner 1926
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Juliacorbula aequivalvis
(Philippi 1836)
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Bivalvia
- Cardiida
- Cardiidae
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Trigoniocardia (Trigoniocardia) maturensis
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Bivalvia
- Cardiida
- Donacidae
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Donax striatus
Linnaeus 1767
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Bivalvia
- Cardiida
- Tellinidae
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Temnoconcha aff. brasiliana
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? Eurytellina oligoscissulata
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spelled with current rank as Tellina (Eurytellina) | ||||||||||
Eurytellina punicea
(Born 1778)
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Bivalvia
- Cardiida
- Semelidae
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Semele aff. anteriocosta
Vokes 1938
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Abra cf. aequalis
(Say 1822)
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Bivalvia
- Cardiida
- Mactridae
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Mulinia sp.
Gray 1837
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Bivalvia
- Cardiida
- Chamidae
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Chama cf. macerophylla
Gmelin 1791
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[entered as Chama macrophylla] | ||||||||||
= Chama cf. macerophylla
Gmelin 1791
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Rosenberg 2005 | |||||||||
Bivalvia
- Cardiida
- Veneridae
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Pitar (Lamelliconcha) circinatus
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Chione (Nioche) veatchiana
Maury 1912
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Dosinia (Dosinia) sp.
Scopoli 1777
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Chione (Lirophora) sanctidavidis
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original and current combination Lirophora | ||||||||||
Bivalvia
- Lucinida
- Lucinidae
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Lucina (Lucinisca) roigi
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Gastropoda
- Epitoniidae
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Epitonium (Epitonium) aff. foliaceicostatum
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Epitonium (Epitonium) humphreysi
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Gastropoda
- Naticidae
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Natica (Naticarius) aff. canrena
(Linnaeus 1758)
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recombined as Naticarius canrena | ||||||||||
Gastropoda
- Tornidae
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Teinostoma (Aepystoma) caroniense
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Gastropoda
- Rissoidae
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Rissoina (Rissoina) sp.
d'Orbigny 1840
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Gastropoda
- Neogastropoda
- Muricidae
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Risomurex galbensis
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Gastropoda
- Neogastropoda
- Terebridae
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Strioterebrum aff. laevifasciola
(Maury 1917)
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Gastropoda
- Neogastropoda
- Olividae
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Olivella (Minioliva) fundarugata
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Gastropoda
- Neogastropoda
- Nassariidae
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Nassarius galbanus
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Nassarius (Phrontis) vibex
(Say 1822)
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Nassarius (Uzita) trinitatensis
Jung 1969
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Gastropoda
- Neogastropoda
- Columbellidae
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Strombina (Sincola) crassilabrum
(Guppy 1874)
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recombined as Sincola (Sincola) crassilabrum | ||||||||||
Anachis (Anachis) asphaltoda
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Gastropoda
- Cerithiidae
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Cerithium harrisi
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Gastropoda
- Lepetellida
- Fissurellidae
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Diodora cayensis
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see common names |
Geography
Country: | Trinidad and Tobago |
Coordinates: | 10.2° North, 61.6° West (view map) |
Paleocoordinates: | 10.2° North, 60.9° West |
Basis of coordinate: | based on nearby landmark |
Geographic resolution: | outcrop |
Time
Period: | Neogene | Epoch: | Pliocene |
Stage: | Zanclean | 10 m.y. bin: | Cenozoic 6 |
Key time interval: | Early/Lower Pliocene | ||
Age range of interval: | 5.33300 - 3.60000 m.y. ago |
Stratigraphy
Formation: | Morne l'Enfer | Member: | Courbaril | ||
Local section: | Point Galba | ||||
Regional section: | Brighton | ||||
Stratigraphic resolution: | bed | ||||
Stratigraphy comments: Collection is from the Courbaril Sand and Clay Member of the Upper Morne l'Enfer Formation. The Courbaril fauna is considered to be of early Pliocene age and is probably slightly older than the Matura fauna. |
Lithology and environment
Primary lithology: | poorly lithified sandstone |
Secondary lithology: | claystone |
Includes fossils? | Y |
Includes fossils? | Y |
Lithology description: Poor reporting of lithologies. Named as the "Courbaril Sand and Clay Member", so these lithologies are assigned. | |
Environment: | shoreface |
Geology comments: The assemblage as a whole points to a nearshore environment, with some brackish influence (compared with Melajo Clay assemblages). |
Taphonomy
Modes of preservation: | body |
Size of fossils: | macrofossils |
Preservation of anatomical detail: | good |
Collection methods and comments
Collection excludes: | some macrofossils,some microfossils |
Collection methods: | selective quarrying,field collection |
Reason for describing collection: | taxonomic analysis |
Museum repositories: | PRI,USNM |
Collection method comments: All material descibed in this report is reposited in the Naturhistorisches Mueum, Basel, or the USNM. Additional material collection from this unit is found at PRI. | |
Taxonomic list comments:Exhaustive for Mollusca. Crab claws, corals, fish teeth, and scarce foraminifera also exist in the unit, though are not listed. Van de Bold (1963) also lists ostracords from several localities. |
Metadata
Database number: | 60650 | ||
Authorizer: | A. Hendy | Enterer: | A. Hendy | Research group: | marine invertebrate |
Subset of collection #: | 60409 | ||
Created: | 2006-05-19 08:45:52 | Last modified: | 2013-11-25 13:37:23 |
Access level: | the public | Released: | 2006-05-19 08:45:51 |
Creative Commons license: | CC BY |
Reference information
Primary reference:
17317. | P. Jung. 1969. Miocene and Pliocene mollusks from Trinidad. Bulletins of American Paleontology 55(247):293-697 [A. Miller/A. Hendy] |
Secondary references:
19419 | G. Rosenberg. 2005. Malacolog 4.0: A database of Western Atlantic marine Mollusca. [WWW database (version 4.1.0)] URL http://data.acnatsci.org/wasp [A. Hendy/A. Hendy] |