Jones' Site: Campanian, Montana
collected by Linster, Brandvold 1993

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Osteichthyes
Osteichthyes indet. Huxley 1880
"fish"
Reptilia - Hadrosauridae
Maiasaura sp. Horner and Makela 1979
"thousands of bones and a few partial skeletons"
    = cf. Maiasaura peeblesorum Horner and Makela 1979
Burnham et al. 2000
Reptilia - Ornithomimidae
Ornithomimidae indet. Marsh 1890
1 individual
Reptilia - Dromaeosauridae
Saurornitholestes langstoni Sues 1978
2 individuals
FIP 001, 002-036 (13 measurements)
    = Bambiraptor feinbergi n. gen., n. sp. Burnham et al. 2000
Burnham et al. 2000
Reptilia - Tyrannosauridae
Tyrannosauridae indet. Osborn 1906
Brandvold and Sweeney 1996 3 specimens
Reptilia - Testudines - Trionychidae
Trionychidae indet. Gray 1825
see common names

Geography
Country:United States State/province:Montana County:Teton
Coordinates: 48.0° North, 112.3° West (view map)
Paleocoordinates:55.5° North, 77.8° West
Basis of coordinate:based on nearby landmark
Altitude:1196
Geographic resolution:outcrop
Time
Period:Cretaceous Epoch:Late/Upper Cretaceous
Stage:Campanian 10 m.y. bin:Cretaceous 7
Key time interval:Campanian
Age range of interval:83.60000 - 72.10000 m.y. ago
Stratigraphy
Geological group:Montana Formation:Two Medicine Member:Upper
Stratigraphic resolution:bed
Stratigraphy comments: about 2/3 above base of formation - lower part of upper section of formation
Lithology and environment
Primary lithology:fine,gray siltstone
Includes fossils?Y
Lithology description: "within a 60-cm-thick siltstone layer"; "a layer of fine, gray siltstone about 60 cm thick without evidence of cross-bedding"
Environment:fine channel fill
Geology comments: "low-velocity channel fill"
Taphonomy
Modes of preservation:body
Degree of concentration:dispersed
Size of fossils:macrofossils,mesofossils
Preservation of anatomical detail:good
Abundance in sediment:common
Articulated whole bodies:all
Fragmentation:occasional
Spatial resolution:parautochthonous
Collection methods and comments
Collection methods:selective quarrying,surface (float),surface (in situ),mechanical,field collection
Reason for describing collection:taxonomic analysis
Collectors:Linster, Brandvold Collection dates:1993
Taxonomic list comments:also includes two types of eggshell and carbonized wood scraps
Metadata
Also known as:Bambiraptor type
Database number:61843
Authorizer:M. Carrano Enterer:M. Carrano
Modifier:M. Carrano Research group:vertebrate
Created:2006-07-05 06:58:27 Last modified:2023-08-21 10:40:08
Access level:the public Released:2006-07-05 06:58:27
Creative Commons license:CC BY
Reference information

Primary reference:

85693. M. Brandvold and J. Brandvold. 1996. Taphonomy of the Jones' Site, Two Medicine Formation (Campanian) of north-central Montana with evidence of theropod feeding techniques based on bioturbation. Journal of Vertebrate Paleontology 16(3, suppl.):23A [M. Carrano/M. Carrano]

Secondary references:

85694 J. Brandvold and F. G. Sweeney. 1996. Breakage and wear patterns in Campanian theropod teeth suggesting hammering to crush bones. Journal of Vertebrate Paleontology 16(3, suppl.) [M. Carrano/M. Carrano]
15024ETE D. A. Burnham, K. L. Derstler, P. J. Currie, R. T. Bakker, Z. Zhou and J. H. Ostrom. 2000. Remarkable new birdlike dinosaur (Theropoda: Maniraptora) from the Upper Cretaceous of Montana. University of Kansas Paleontological Contributions 13:1-14 [M. Carrano/M. Carrano/M. Carrano]
54477 D. Trexler. 2001. Two Medicine Formation, Montana: geology and fauna. In D. H. Tanke & K. Carpenter (ed.), Mesozoic Vertebrate Life: New Research Inspired by the Paleontology of Philip J. Currie 298-309 [M. Carrano/M. Carrano]