Laux-Montaux: Late Valanginian, France
collected by A. Clément
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Cephalopoda
- Belemnitida
- Mesohibolitidae
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Hibolithes subfusiformis
(Raspail 1829)
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Cephalopoda
- Belemnitida
- Duvaliidae
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Duvalia binervia
(Raspail 1829)
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Pseudobelus brevis
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Cephalopoda
- Phylloceratida
- Phylloceratidae
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Phyllopachyceras sp.
Spath 1925
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Cephalopoda
- Ammonitida
- Haploceratidae
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Neolissoceras grasianum
(d'Orbigny 1841)
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Cephalopoda
- Ammonitida
- Neocomitidae
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Neocomites neocomiensis
(d'Orbigny 1841)
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Cephalopoda
- Ammonitida
- Bochianitidae
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Bochianites neocomiensis
(d'Orbigny 1842)
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Cephalopoda
- Ammonitida
- Himantoceratidae
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Himantoceras acuticostatum
Thieuloy 1965
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Cephalopoda
- Ammonitida
- Olcostephanidae
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Olcostephanus nicklesi
Wiedmann and Dieni 1968
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Olcostephanus densicostatus
(Wegner 1909)
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unclassified
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Adiakritobelus sp.
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Reptilia
- Ophthalmosauridae
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Aegirosaurus sp.
Bardet and Fernandez 2000
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1 specimen | |||||||||
| RGHP LA 1 | ||||||||||
| see common names | ||||||||||
Geography
| Country: | France | State/province: | Rhône-Alpes | County: | Drôme |
| Coordinates: | 44.3° North, 5.6° East (view map) | ||||
| Paleocoordinates: | 35.3° North, 14.7° East | ||||
| Basis of coordinate: | based on nearby landmark | ||||
| Geographic resolution: | outcrop |
Time
| Period: | Cretaceous | Epoch: | Early Cretaceous |
| Stage: | Valanginian | 10 m.y. bin: | Cretaceous 1 |
| Key time interval: | Late Valanginian | Ammonoid zone: | Neocomites peregrinus |
| Age range of interval: | 139.8 - 132.6 m.y. ago |
Stratigraphy
| Stratigraphic resolution: | group of beds |
Lithology and environment
| Primary lithology: | gray,yellow marl |
| Includes fossils? | Y |
| Lithology description: "The specimen was discovered close to the top of a small hill formed by greyish to yellowish marls, interrupted periodically by small (≈10 cm) limestone or marly limestone beds. Two large slumped units have been recognized near the top of the sequence." | |
| Environment: | marine indet. |
| Geology comments: "The whole sequence was deposited in the southern part of the Vocontian Basin, a highly subsident Mesozoic basin at the northwestern border of Tethys" | |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils |
| Spatial orientation: | random |
| Preservation of anatomical detail: | good |
| Abundance in sediment: | rare |
| Fragmentation: | frequent |
| Spatial resolution: | parautochthonous |
Collection methods and comments
| Collection methods: | field collection |
| Collection size: | 1 specimens |
| Reason for describing collection: | general faunal/floral analysis |
| Collectors: | A. Clément |
Metadata
| Database number: | 104753 | ||
| Authorizer: | M. Carrano | Enterer: | H. Street |
| Modifier: | M. Carrano | Research group: | vertebrate |
| Created: | 2011-02-09 07:05:55 | Last modified: | 2011-03-15 14:33:24 |
| Access level: | the public | Released: | 2011-02-09 07:05:55 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 35055. | V. Fischer, A. Clement, M. Guiomar and P. Godefroit. 2011. The first definite record of a Valanginian ichthyosaur and its implications on the evolution of post-Liassic Ichthyosauria. Cretaceous Research 32:155-163 [M. Carrano/H. Street] |