Holbrook microsite, MSM 98-84: Aegean - Bithynian, Arizona
collected by T. Olsen, S. Nesbitt 1998-1999
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Amphibia
- Temnospondyli
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Temnospondyli indet.
von Zittel 1887
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| Skull fragments and a tooth | ||||||||||
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Reptilia
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Reptilia indet.
Laurenti 1768
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| Mostly centra | ||||||||||
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Chondrichthyes
- Hybodontiformes
- Hybodontidae
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Hybodontidae indet.
(Agassiz 1834)
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| Fin spines and possibly teeth | ||||||||||
| see common names | ||||||||||
Geography
| Country: | United States | State/province: | Arizona | County: | Navajo |
| Coordinates: | 34.9° North, 110.2° West (view map) | ||||
| Paleocoordinates: | 3.2° North, 38.8° West | ||||
| Basis of coordinate: | based on nearby landmark | ||||
| Geographic resolution: | small collection |
Stratigraphy
| Formation: | Moenkopi | Member: | Holbrook | ||
| Stratigraphic resolution: | bed | ||||
| Stratigraphy comments: Lucas & Schoch (2002: Lethaia 35: 97-106) inferred the Holbrook member to be earliest Anisian (Aegean–Bithynian) in age based upon tetrapod biostratigraphy (Eocyclotosaurus used to correlate Holbrook Member to German Upper Bundsandstein) and magnetostratigraphy | |||||
Lithology and environment
| Primary lithology: | sandstone |
| Secondary lithology: | conglomerate |
| Includes fossils? | Y |
| Includes fossils? | Y |
| Lithology description: "Interfingering sandstones and conglomerates" | |
| Environment: | terrestrial indet. |
Taphonomy
| Modes of preservation: | body |
| Degree of concentration: | concentrated |
| Size of fossils: | macrofossils,mesofossils |
| Spatial orientation: | random |
| Preservation of anatomical detail: | medium |
Collection methods and comments
| Collection methods: | field collection | ||
| Reason for describing collection: | general faunal/floral analysis | ||
| Collectors: | T. Olsen, S. Nesbitt | Collection dates: | 1998-1999 |
Metadata
| Database number: | 95324 | ||
| Authorizer: | R. Butler | Enterer: | R. Butler |
| Modifier: | R. Butler | Research group: | vertebrate |
| Created: | 2010-04-12 08:56:36 | Last modified: | 2012-10-25 03:44:09 |
| Access level: | the public | Released: | 2010-04-12 08:56:36 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 32434. | S. J. Nesbitt. 2000. A preliminary report on new vertebrate fossil sites, including a microsite from the Holbrook Member of the Moenkopi Formation, Holbrook, Arizona. Mesa Southwest Museum Bulletin 7:17-30 [R. Butler/R. Butler] |