Ifayen Ignère: Early Berriasian - Late Valanginian, Niger
collected by Lapparent & Joulia, Mareschal
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Reptilia
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| 1 specimen | |||||||
| 3 specimens | |||||||
| see common names | |||||||
Geography
| Country: | Niger | State/province: | Agadez |
| Coordinates: | 16.3° North, 8.1° East (view map) | ||
| Paleocoordinates: | 2.5° South, 12.6° East (Wright 2013) | ||
| Basis of coordinate: | estimated from map | ||
| Altitude: | 1644 feet | ||
| Geographic resolution: | outcrop |
Time
| Period: | Cretaceous | Epoch: | Early Cretaceous |
| Stage: | Berriasian - Valanginian | 10 m.y. bin: | Cretaceous 1 |
| *Period: | Early/Lower Cretaceous | ||
| *International age/stage: | Early/Lower Berriasian - Late/Upper Valanginian | ||
| Key time interval: | Early Berriasian - Late Valanginian | ||
| Age range of interval: | 145 - 132.6 m.y. ago | ||
| * legacy (obsolete) database fields | |||
Stratigraphy
| Geological group: | Irhazer | Formation: | Irhazer Shales |
| Stratigraphic resolution: | formation |
Lithology and environment
| Primary lithology: | "shale" |
| Secondary lithology: | sandstone |
| Includes fossils? | Y |
| Lithology description: "Irazer shales and Agadez sandstones" | |
| Environment: | terrestrial indet. |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils |
| Disassociated major elements: | some |
| Disassociated minor elements: | many |
Collection methods and comments
| Collection methods: | field collection |
| Collection size: | 4 specimens |
| Reason for describing collection: | taxonomic analysis |
| Collectors: | Lapparent & Joulia, Mareschal |
Metadata
| Also known as: | Lapparent site 16 | ||
| Database number: | 25202 | ||
| Authorizer: | M. Carrano | Enterer: | M. Carrano |
| Modifier: | M. Carrano | Research group: | vertebrate |
| Created: | 2002-09-02 00:16:50 | Last modified: | 2025-02-22 15:12:02 |
| Access level: | the public | Released: | 2002-09-02 00:16:50 |
| Creative Commons license: | CC0 | ||
Reference information
Primary reference:
| 7056. | A. F. d. Lapparent. 1960. Les Dinosauriens du "Continental intercalaire" du Saharal central [The dinosaurs of the "Continental Intercalaire" of the central Sahara]. Mémoires de la Société géologique de France, nouvelle série 39(88A):1-57 [M. Carrano/M. Carrano/M. Carrano] |
Secondary references:
| 45935 | A. F. d. Lapparent. 1960. Les dinosaures du Sahara central [The dinosaurs of the central Sahara]. Travaux de l'Institut de Recherches Sahariennes 19(1–2):7-24 [M. Carrano/M. Carrano] |