Hannatoma F: Sandy Shales Fm: San Antonio, Venezuela (Kehrer): Late Eocene, Venezuela
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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unclassified
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informal Noetid indet.
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= Noetidae indet.
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Durham et al. 1949 | |||||||||
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Bivalvia
- Pectinida
- Anomiidae
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Anomia ? sp.
Linnaeus 1758
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Bivalvia
- Lucinida
- Lucinidae
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? Lucina sp.
Bruguière 1797
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Bivalvia
- Cardiida
- Mactridae
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Spisula sp.
Gray 1837
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Bivalvia
- Cardiida
- Veneridae
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Clementia dariena
(Conrad 1855)
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| Clementia dariena vetula | ||||||||||
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Pitar sp.
Römer 1857
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Bivalvia
- Cardiida
- Tellinidae
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Tellina ? sp.
Linnaeus 1758
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Bivalvia
- Pholadida
- Raetomyidae
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Raetomya ? sp.
Newton 1919
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Bivalvia
- Pholadida
- Corbulidae
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Corbula sp.
Bruguière 1789
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Gastropoda
- Potamididae
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Harrisianella cf. peruviana
Olsson 1929
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Gastropoda
- Turritellidae
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Turritella aff. samanensis
Olsson 1928
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Gastropoda
- Triforidae
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Cerithiella sp.
Verrill 1882
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Gastropoda
- Neogastropoda
- Melongenidae
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"Cornulina" cf. levifusoides
(Olsson 1928)
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Gastropoda
- Neogastropoda
- Turridae
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Turridae indet.
Swainson 1840
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Gastropoda
- Naticidae
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Neverita ? sp.
Risso 1826
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Gastropoda
- Opisthobranchia
- Cylichnidae
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Abderospira ? sp.
Dall 1896
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| see common names | ||||||||||
Geography
| Country: | Venezuela |
| Coordinates: | 8.1° North, 72.3° West (view map) |
| Paleocoordinates: | 5.8° North, 65.6° West |
| Basis of coordinate: | based on nearby landmark |
Time
| Period: | Paleogene | Epoch: | Eocene |
| Stage: | Priabonian | 10 m.y. bin: | Cenozoic 3 |
| Key time interval: | Late Eocene | ||
| Age range of interval: | 37.71 - 33.9 m.y. ago |
Stratigraphy
| Formation: | Lower Sandy Shales |
Lithology and environment
| Primary lithology: | lithified "limestone" |
| Secondary lithology: | shelly/skeletal lime mudstone |
| Includes fossils? | Y |
| Includes fossils? | Y |
| Lithology description: The formation mainly consists of nonmarine or lacustrine sediments such as sandstones, clays, shales, and interbedded lignitic coal seams. There are four fossiliferous limestones within the formation. This fossil collection is of the third limestone from the bottom up. | |
| Environment: | marine indet. |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils |
Collection methods and comments
| Collection excludes: | some macrofossils |
| Collection methods: | survey of museum collection |
| Reason for describing collection: | biostratigraphic analysis |
| Collection method comments: The region was mapped by W.G.C. Tomalin of Shell and fossils were identified by W.P. Woodring. | |
Metadata
| Database number: | 42792 | ||
| Authorizer: | L. Ivany, A. Miller | Enterer: | C. Visaggi, A. Hendy |
| Modifier: | A. Hendy | Research group: | marine invertebrate |
| Created: | 2004-08-05 11:33:06 | Last modified: | 2007-02-04 15:04:58 |
| Access level: | the public | Released: | 2004-08-05 11:33:06 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 11374. | J. W. Durham, A.N. Dusenbury, Jr, H.D. Hedberg, L. Kehrer, J.G. Marks, R.M. Stainforth, and B. Stone. 1949. The age of the Hannatoma mollusk fauna of South America; a symposium. Journal of Paleontology 23(2):145-160 [L. Ivany/C. Visaggi/C. Visaggi] |