East Tex State Locality 36, Gober: Early/Lower Campanian, Texas
collected 1965
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Reptilia
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Ichthyornis antecessor
(Wetmore 1962)
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1 specimen | ||||||
| synonym of Ichthyornis dispar | |||||||
| see common names | |||||||
Geography
| Country: | United States | State/province: | Texas | County: | Fannin |
| Coordinates: | 33.5° North, 96.1° West (view map) | ||||
| Paleocoordinates: | 38.1° North, 68.0° West | ||||
| Basis of coordinate: | based on nearby landmark | ||||
| Altitude: | 197 meters | ||||
| Geographic resolution: | small collection |
Time
| Period: | Cretaceous | Epoch: | Late/Upper Cretaceous |
| Stage: | Campanian | 10 m.y. bin: | Cretaceous 7 |
| Key time interval: | Early/Lower Campanian | ||
| Age range of interval: | 83.60000 - 72.10000 m.y. ago |
Stratigraphy
| Geological group: | Austin | Formation: | Gober Chalk | Member: | Roxton Limestone |
| Stratigraphic resolution: | bed |
Lithology and environment
| Primary lithology: | glauconitic "limestone" |
| Includes fossils? | Y |
| Lithology description: "fragmental glauconitic biomicrite with large fragments (indicative of a high energy environment) within a micritic matrix (typical of a low energy situation)." | |
| Environment: | marine indet. |
| Glacial or sequence phase: | transgressive |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils |
| Preservation of anatomical detail: | medium |
| Articulated whole bodies: | none |
| Associated major elements: | none |
| Disassociated major elements: | none |
| Disassociated minor elements: | all |
| Fragmentation: | extreme |
| Temporal resolution: | snapshot |
Collection methods and comments
| Collection methods: | selective quarrying,field collection |
| Reason for describing collection: | taxonomic analysis | Collection dates: | 1965 |
Metadata
| Database number: | 34757 | ||
| Authorizer: | M. Carrano | Enterer: | M. Carrano |
| Modifier: | P. Mannion | Research group: | vertebrate |
| Created: | 2003-09-22 14:18:43 | Last modified: | 2021-02-26 09:03:27 |
| Access level: | the public | Released: | 2003-09-22 14:18:43 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 7491. | 5% 14960 | D.C. Parris and J. Echols. 1992. The Fossil Bird Ichthyornis In The Cretaceous of Texas. The Texas Journal of Science 44(2):201-212 [J. Hunter/J. Rezza/J. Alroy] |