PA02HOL6 - marine terrace VI: Holocene, Argentina
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Thecostraca
- Balanomorpha
- Balanidae
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Balanus sp.
Da Costa 1778
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Bivalvia
- Mytilida
- Mytilidae
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Mytilus (Mytilus) edulis
(Linnaeus 1758)
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| original and current combination Mytilus edulis | |||||||
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Brachidontes (Brachidontes) purpuratus
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Bivalvia
- Pectinida
- Pectinidae
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Aequipecten tehuelchus
(d'Orbigny 1842)
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Gastropoda
- Patellida
- Nacellidae
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Patinigera deaurata
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| spelled with current rank as Nacella (Patinigera) | |||||||
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Nacella magellanica
(Gmelin 1791)
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Gastropoda
- Neotaenioglossa
- Calyptraeidae
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Crepidula dilatata
Lamarck 1822
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| recombined as Crepipatella dilatata | |||||||
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Crepidula protea
d'Orbigny 1941
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Gastropoda
- Neogastropoda
- Muricidae
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Trophon varians
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Trophon geversianus
(Pallas 1774)
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| recombined as Trophon geversianum | |||||||
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Gastropoda
- Neogastropoda
- Buccinidae
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Pareuthria plumbea
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Gastropoda
- Tegulidae
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Tegula patagonica
(d'Orbigny 1835)
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| recombined as Agathistoma patagonicum | |||||||
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Gastropoda
- Lepetellida
- Fissurellidae
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Fissurella oriens
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| see common names | |||||||
Geography
| Country: | Argentina |
| Coordinates: | 44.8° South, 65.6° West (view map) |
| Paleocoordinates: | 44.8° South, 65.6° West |
| Basis of coordinate: | based on nearby landmark |
| Geographic resolution: | small collection |
Time
| Period: | Quaternary | Epoch: | Holocene |
| 10 m.y. bin: | Cenozoic 6 | ||
| Key time interval: | Holocene | ||
| Age range of interval: | 0.01170 - 0.00000 m.y. ago |
Stratigraphy
| Stratigraphic resolution: | bed | ||||
| Stratigraphy comments: STRATIGRAPHIC RELATIONS: Holocene marine terrace deposits. THICKNESS: Unknown thickness. AGE: Holocene (2,500-800 ka). STRATIGRAPHIC POSITION: Unknown position within terrace deposit. | |||||
Lithology and environment
| Primary lithology: | coarse,pebbly,shelly/skeletal unlithified sandstone |
| Includes fossils? | Y |
| Lithology description: SPECIFIC LITHOLOGY: Gravel and loose sand with abundant well-preserved shells. LITHIFICATION: Unlithified based on facies description. | |
| Environment: | shoreface |
| Geology comments: ENVIRONMENT: Open ocean, rocky bottom, high energy, euhaline waters. SEQUENCE STRATIGRAPHY: Accumulated from sea level highstand. | |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils |
| Preservation of anatomical detail: | excellent |
| Fragmentation: | occasional |
Collection methods and comments
| Collection methods: | bulk,field collection |
| Reason for describing collection: | paleoecologic analysis |
| Collection method comments: COLLECTORS: Presumably M. L. Aguirre and others (c. 2000's). REPOSITORY: Presumably, Facultad de Ciencias Naturales y Museo, Universidad Nacional de La Plata, Argentina. | |
| Taxonomic list comments:COVERAGE: Exhaustive for gastropods and bivalvia. Brachiopods, cirripeds, bryozoa and corals not identified to genus level. NOMENCLATURE: Not an authoritative publication, but with modern nomenclature, and use of subgenus and species-level assignments. | |
Metadata
| Database number: | 71675 | ||
| Authorizer: | A. Hendy | Enterer: | A. Hendy |
| Modifier: | A. Hendy | Research group: | marine invertebrate |
| Created: | 2007-05-06 11:01:16 | Last modified: | 2013-11-25 13:37:23 |
| Access level: | authorizer only | Released: | 2008-05-06 11:01:16 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 24198. | M. L. Aguirre, S. Richiano, and Y. Negro Sirch. 2006. Paleoenvrionments and paleoclimates of the Quaternary molluscan faunas from the coastal area of BahÃa Vera-Camarones (Chubut, Patagonia). Palaeogeography, Palaeoclimatology, Palaeoecology 229:251-286 [A. Hendy/A. Hendy] |