NMB Loc. 18218 [Los Perdices Shale]: Early/Lower Miocene, Colombia
collected by Companía Shell de Venezuela 1940-1950
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Gastropoda
- Cassidae
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Echinophoria andersoni
Abbott 1968
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8 specimens | |||||||||
| synonym of Echinophoria hadra | ||||||||||
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Sconsia laevigata
(Guppy 1850)
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1 specimen | |||||||||
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= Sconsia grayi
Adams 1855
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Beu 2010 | |||||||||
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Gastropoda
- Neogastropoda
- Costellariidae
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Vexillum (Costellaria) tortuosum
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1 specimen | |||||||||
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Conomitra lavelana
Hodson 1931
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7 specimens | |||||||||
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Knefastia cercadonis
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1 specimen | |||||||||
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Gastropoda
- Neogastropoda
- Buccinidae
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Amarophos dentalis
(Olsson 1922)
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14 specimens | |||||||||
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Gastropoda
- Neogastropoda
- Mitridae
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Mitra (Fusimitra) titan
Gabb 1873
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2 specimens | |||||||||
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Subcancilla dariensis
(Brown and Pilsbry 1911)
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2 specimens | |||||||||
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Gastropoda
- Neogastropoda
- Turridae
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Scobinella morierei
(Cossmann 1913)
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2 specimens | |||||||||
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Polystira albida
(Perry 1811)
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9 specimens | |||||||||
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= Polystira sp.
Woodring 1928
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Todd and Johnson 2013 | |||||||||
| Earliest occurrence of P. albida is Cayo Agua Fm (c. 4.25 Ma) per Todd & Johnson, 2013 | ||||||||||
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Gastropoda
- Neogastropoda
- Conidae
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Conus santalucrezianus
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3 specimens | |||||||||
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Conus sp.
Linnaeus 1758
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1 specimen | |||||||||
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Conus molis
Brown and Pilsbry 1911
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1 specimen | |||||||||
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Conus cf. consobrinus
Sowerby 1850
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1 specimen | |||||||||
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Gastropoda
- Neogastropoda
- Terebridae
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Strioterebrum cf. wolfgangi
(Toula 1909)
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4 specimens | |||||||||
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Gastropoda
- Neogastropoda
- Drilliidae
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Clathrodrillia nuevagranada
(Weisbord 1929)
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16 specimens | |||||||||
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Drillia orthopleura
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1 specimen | |||||||||
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Gastropoda
- Naticidae
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Sinum aff. gatunense
(Toula 1909)
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2 specimens | |||||||||
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Polinices brunneus
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29 specimens | |||||||||
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Natica (Naticarius) canrena
(Linnaeus 1758)
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2 specimens | |||||||||
| recombined as Naticarius canrena | ||||||||||
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Natica (Natica) bolus
Brown and Pilsbry 1913
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2 specimens | |||||||||
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Gastropoda
- Vermetidae
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Petaloconchus sculpturatus
Lea 1846
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1 specimen | |||||||||
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Bivalvia
- Nuculida
- Nuculidae
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Acila (Acila) isthmica
(Brown and Pilsbry 1911)
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2 specimens | |||||||||
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Bivalvia
- Arcida
- Arcidae
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Anadara (Grandiarca) chiriquiensis
(Gabb 1861)
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3 specimens | |||||||||
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Scaphopoda
- Dentaliida
- Dentaliidae
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Fissidentalium solidissimum
(Pilsbry and Brown 1917)
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17 specimens | |||||||||
| see common names | ||||||||||
Geography
| Country: | Colombia |
| Coordinates: | 10.8° North, 75.0° West (view map) |
| Paleocoordinates: | 9.7° North, 71.3° West |
| Basis of coordinate: | based on nearby landmark |
| Geographic resolution: | local area |
Time
| Period: | Neogene | Epoch: | Miocene |
| 10 m.y. bin: | Cenozoic 5 | ||
| Key time interval: | Early/Lower Miocene | ||
| Age range of interval: | 23.03000 - 15.98000 m.y. ago |
Stratigraphy
| Formation: | Los Perdices Shale | ||||
| Stratigraphic resolution: | formation | ||||
| Stratigraphy comments: STRATIGRAPHIC RELATIONS: From Los Perdices Shale, which regionally underlies the Tuberá Gp (Early-Late Miocene) and overlies the "Poso Series" (Oligocene). AGE: Early Miocene various publications (Anderson, 1929; Woodring, 1957-1982). STRATIGRAPHIC POSITION: From unknown position within formation. | |||||
Lithology and environment
| Primary lithology: | "shale" |
| Includes fossils? | Y |
| Lithology description: LITHIFICATION: Unknown. LITHOLOGY: Shale. | |
| Environment: | marine indet. |
| Geology comments: No paleoenvironmental data provided. | |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils,mesofossils |
Collection methods and comments
| Collection methods: | surface (in situ),field collection | ||
| Reason for describing collection: | general faunal/floral analysis | ||
| Museum repositories: | NMB | ||
| Collectors: | Companía Shell de Venezuela | Collection dates: | 1940-1950 |
| Collection method comments: COLLECTORS: Companía Shell de Venezuela geologists, 1940's-1950's. REPOSITORY: Naturhistorisches Museum Basel (NMB). | |||
| Taxonomic list comments:COVERAGE: Exhaustive for mollusca. NOMENCLATURE: Unpublished data, but with species-resolution identifications, and modern nomenclature. COVERAGE: Limited to taxa described in text. | |||
Metadata
| Database number: | 131222 | ||
| Authorizer: | A. Hendy | Enterer: | A. Hendy |
| Modifier: | A. Hendy | Research group: | marine invertebrate |
| Created: | 2012-07-21 16:01:02 | Last modified: | 2013-11-25 13:37:23 |
| Access level: | authorizer only | Released: | 2017-07-21 16:01:02 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 42393. | J. Gibson-Smith and W. Gibson-Smith. 2012. Unpublished notes on Caribbean collection of Jack and Winifred Gibson-Smith, Naturhistorisches Museum Basel. [A. Hendy/A. Hendy] |
Secondary references:
| 30037 | A. G. Beu. 2010. Neogene Tonnoidean Gastropods of Tropical and South America; contributions to the Dominican Republic and Panama Paleontology Projects and Uplift of the Central American Isthmus. Bulletins of American Paleontology (377-378)1-550 [A. Hendy/A. Hendy/A. Hendy] | |
| 48647 | J. A. Todd and K. G. Johnson. 2013. Dissecting a marine snail species radiation (Conoidea: Turridae: Polystira) over 12 million years in the southwestern Caribbean. Bulletin of Marine Science 89(4) [A. Hendy/A. Hendy] |