Culpeper Crushed Stone Quarry (lower): Lacian - Alaunian, Virginia
collected by R. Clore, G. Willis, & F. Harris 1990
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Reptilia
- Grallatoridae
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Grallator sillimani
(Hitchcock 1843)
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| recombined as Eubrontes sillimani | ||||||||||
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Reptilia
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Kayentapus minor
(Hitchcock 1858)
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20 individuals | |||||||||
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Reptilia
- Parasuchidae
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Apatopus lineatus
(Bock 1952)
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Reptilia
- Chirotheriidae
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Brachychirotherium parvum
(Hitchcock 1889)
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Weems 2006 | 1 individual | ||||||||
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Reptilia
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Aetosauria indet.
Lydekker 1889
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| "A fourth (quadrupedal) taxon, apparently a short-tailed barrel-bodied aetosaur similar to Typothorax, appears to represent a new ichnotaxon as yet unnamed" | ||||||||||
| see common names | ||||||||||
Geography
| Country: | United States | State/province: | Virginia | County: | Culpeper |
| Coordinates: | 38.4° North, 77.9° West (view map) | ||||
| Paleocoordinates: | 13.1° North, 22.2° West | ||||
| Basis of coordinate: | estimated from map | ||||
| Geographic resolution: | outcrop |
Stratigraphy
Lithology and environment
| Primary lithology: | desiccation cracks,wave ripples,black,gray lithified calcareous siltstone |
| Secondary lithology: | mudstone |
| Includes fossils? | Y |
| Lithology description: "a number of massive mudstones are interbedded with much thinner, thinly layered, gray to black shales"; strata are thermally metamorphosed "massive, calcareous cemented siltstone" | |
| Environment: | lacustrine - large |
| Geology comments: alkaline or anoxic lake, forming a playa environment | |
Taphonomy
| Modes of preservation: | mold/impression,trace |
| Size of fossils: | macrofossils |
| Spatial orientation: | life position |
| Preservation of anatomical detail: | good |
| Associated major elements: | some |
| Disassociated major elements: | some |
| Temporal resolution: | snapshot |
| Spatial resolution: | autochthonous |
Collection methods and comments
| Collection methods: | surface (in situ),peel or thin section,observed (not collected) | ||
| Reason for describing collection: | general faunal/floral analysis | ||
| Collectors: | R. Clore, G. Willis, & F. Harris | Collection dates: | 1990s |
| Collection method comments: originally discovered by Robert Clore, Gordon Willis, and Fred Harris | |||
Metadata
| Database number: | 68889 | ||
| Authorizer: | M. Carrano | Enterer: | M. Carrano |
| Modifier: | M. Carrano | Research group: | vertebrate |
| Created: | 2007-02-12 11:56:05 | Last modified: | 2023-06-15 13:22:20 |
| Access level: | the public | Released: | 2007-02-12 11:56:05 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 81036. | R. E. Weems. 1992. Are-evaluation of the taxonomy of Newark Supergroup saurischian dinosaur tracks, using extensive statistical data froma recently exposed tracksite near Culpeper, Virginia. Virginia Division of Mineral Resources Publication 119:113-127 [M. Carrano/M. Carrano] |
Secondary references:
| 19885 | ETE | R. E. Weems. 2006. Locomotor speeds and patterns of running behavior in non-maniraptoriform theropod dinosaurs. In J. D. Harris, S. G. Lucas, J. A. Spielmann, M. G. Lockley, A. R. C. Milner, & J. I. Kirkland (eds.), The Triassic-Jurassic Terrestrial Transition. New Mexico Museum of Natural History and Science Bulletin 37:379-389 [M. Carrano/M. Carrano/M. Carrano] |
| 19883 | ETE | R. E. Weems. 2006. The manus print of Kayentapus minor: its bearing on the biomechanics and ichnotaxonomy of early Mesozoic saurischian dinosaurs. In J. D. Harris, S. G. Lucas, J. A. Spielmann, M. G. Lockley, A. R. C. Milner, & J. I. Kirkland (eds.), The Triassic-Jurassic Terrestrial Transition. New Mexico Museum of Natural History and Science Bulletin 37:369-378 [M. Carrano/M. Carrano/M. Carrano] |
| 81035 | R. E. Weems, M. J. Culp, and O. Wings. 2007. Evidence for prosauropod dinosaur gastroliths in the Bull Run Formation (Upper Triassic, Norian) of Virginia. Ichnos 14(3-4):271-295 [M. Carrano/M. Carrano] | |
| 85047 | D. B. Weishampel and L. Young. 1996. Dinosaurs of the East Coast xiii-275 [M. Carrano/M. Carrano] |