Bajada del Agrio - Shell Bed G, Neuquen, Argentina: Early/Lower Hauterivian, Argentina
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
|
Bivalvia
- Trigoniida
- Myophorellidae
|
||||||||||
|
Steinmanella transitoria
Steinmann 1881
|
||||||||||
|
Bivalvia
- Trigoniida
- Trigoniidae
|
||||||||||
|
Trigonia carinata
|
||||||||||
|
Bivalvia
- Carditida
- Crassatellidae
|
||||||||||
|
Ptychomya koeneni
|
||||||||||
|
Bivalvia
- Cardiida
- Kalenteridae
|
||||||||||
|
Myoconcha transatlantica
|
||||||||||
| Myoconcha transtlantica | ||||||||||
|
Bivalvia
- Arcida
- Cucullaeidae
|
||||||||||
|
Cucullaea gabrielis
|
||||||||||
|
Bivalvia
- Ostreida
- Bakevelliidae
|
||||||||||
|
Gervillella aviculoides
(Sowerby 1814)
|
||||||||||
|
Gervillaria alatior
|
||||||||||
|
Bivalvia
- Ostreida
- Gryphaeidae
|
||||||||||
|
Amphidonte (Ceratostreon) sp.
(Bayle 1878)
|
||||||||||
| original and current combination Ceratostreon | ||||||||||
|
Bivalvia
- Pectinida
- Pectinidae
|
||||||||||
|
Mimachlamys robinaldina
(Orbigny 1847)
|
||||||||||
|
Cephalopoda
- Ammonitida
- Neocomitidae
|
||||||||||
|
Hoplitocrioceras sp.
|
||||||||||
|
unclassified
|
||||||||||
|
Bryozoa indet.
Ehrenberg 1831
|
||||||||||
|
Polychaeta
- Sabellida
- Serpulidae
|
||||||||||
|
Serpulidae indet.
Rafinesque 1835
|
||||||||||
| see common names | ||||||||||
Geography
| Country: | Argentina |
| Coordinates: | 38.0° South, 69.8° West (view map) |
| Paleocoordinates: | 37.5° South, 33.7° West |
| Basis of coordinate: | estimated from map |
| Geographic resolution: | small collection |
Time
| Period: | Cretaceous | Epoch: | Early/Lower Cretaceous |
| Stage: | Hauterivian | 10 m.y. bin: | Cretaceous 2 |
| Key time interval: | Early/Lower Hauterivian | ||
| Age range of interval: | 132.60000 - 125.77000 m.y. ago |
Stratigraphy
| Formation: | Bajada del Agria | Member: | Pilmatue | Local bed: | 5 |
| Local order: | bottom to top | ||||
| Stratigraphic resolution: | bed | ||||
| Stratigraphy comments: Shell Bed G, Hoplitocrioceras gentilii Zone | |||||
Lithology and environment
| Primary lithology: | fine,medium lithified sandstone |
| Includes fossils? | Y |
| Environment: | shoreface |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils |
Collection methods and comments
| Collection methods: | field collection |
| Reason for describing collection: | taxonomic analysis |
Metadata
| Database number: | 44744 | ||
| Authorizer: | W. Kiessling | Enterer: | W. Kiessling |
| Modifier: | W. Kiessling | Research group: | marine invertebrate |
| Created: | 2004-09-17 00:26:39 | Last modified: | 2004-09-17 03:26:39 |
| Access level: | the public | Released: | 2004-09-17 00:26:39 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 11681. | D. G. Lazo. 2003. Taxonomy, facies relationships and palaeobiology of bakevelliid bivalves from the Lower Cretaceous of west-central Argentina . Cretaceous Research 24(6):765-788 [W. Kiessling/W. Kiessling/W. Kiessling] |