False Disciple Point: Lancian, Wyoming
collected by W. A. Clemens
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Actinopteri
- Aspidorhynchiformes
- Aspidorhynchidae
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Belonostomus longirostris
(Lambe 1902)
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Estes 1964 | 1 element | ||||||||
Actinopteri
- Elopiformes
- Elopidae
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Elopidae indet.
Bonaparte 1846
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Estes 1964 | |||||||||
Actinopteri
- Lepisosteiformes
- Lepisosteidae
|
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Lepisosteus occidentalis
(Leidy 1856)
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Estes 1964 | 6 elements | ||||||||
original and current combination Lepidotus occidentalis | ||||||||||
Actinopteri
- Amiiformes
- Amiidae
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cf. Protamia sp.
(Leidy 1873)
|
Estes 1964 | 1 element | ||||||||
Kindleia fragosa
Jordan 1927
|
Estes 1964 | 3 elements | ||||||||
recombined as Cyclurus fragosus | ||||||||||
Reptilia
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Champsosaurus sp.
Cope 1876
|
Estes 1964 | 1 specimen | ||||||||
Reptilia
- Tyrannosauridae
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cf. Tyrannosaurus rex
Osborn 1905
|
Estes 1964 | |||||||||
Reptilia
- Ornithomimidae
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cf. Ornithomimus sp.
Marsh 1890
|
Estes 1964 | |||||||||
Reptilia
- Ceratopsidae
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cf. Triceratops sp.
Marsh 1889
|
Estes 1964 | |||||||||
Reptilia
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Leidyosuchus sternbergi
(Gilmore 1910)
|
Estes 1964 | |||||||||
recombined as Borealosuchus sternbergii | ||||||||||
Brachychampsa montana
Gilmore 1911
|
Estes 1964 | |||||||||
Reptilia
- Chamopsiidae
|
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Meniscognathus altmani
Estes 1964
|
Estes 1964 | 1 specimen | ||||||||
Haptosphenus placodon
Estes 1964
|
Estes 1964 | 1 specimen | ||||||||
Reptilia
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Paraderma bogerti n. gen., n. sp.
Estes 1964
|
Estes 1964 | 1 specimen | ||||||||
UCMP 54261 (holotype maxilla) | ||||||||||
Parasaniwa wyomingensis
Gilmore 1928
|
Estes 1964 | 1 specimen | ||||||||
Reptilia
- Anguidae
|
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Peltosaurus piger
Gilmore 1928
|
Estes 1964 | 1 specimen | ||||||||
recombined as Odaxosaurus piger | ||||||||||
Reptilia
- Testudines
- Emydidae
|
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Emydinae indet.
Rafinesque 1815
|
Estes 1964 | |||||||||
"near Pseudemys?" | ||||||||||
Reptilia
- Testudines
- Trionychidae
|
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Trionychidae sp.
Gray 1825
|
Holroyd and Hutchison 2002 | |||||||||
Voucher: UCMP 173370 | ||||||||||
Aspideretes beecheri
Hay 1904
|
Estes 1964 | |||||||||
recombined as Trionyx beecheri | ||||||||||
Reptilia
- Testudines
- Chelydridae
|
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Chelydridae sp.
Swainson 1839
|
Holroyd and Hutchison 2002 | |||||||||
Voucher: UCMP 170378 | ||||||||||
Reptilia
- Testudines
|
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Plastomeninae sp.
(Hay 1902)
|
Holroyd and Hutchison 2002 | |||||||||
spelled with current rank as Plastomenidae | ||||||||||
Voucher: UCMP 173426 | ||||||||||
Mammalia
- Multituberculata
- Cimolodontidae
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Cimolodon nitidus
Marsh 1889
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Mammalia
- Multituberculata
- Neoplagiaulacidae
|
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Mesodma formosa
(Marsh 1889)
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= Mesodma sp.
Jepsen 1940
|
Alroy 2002 | |||||||||
Mesodma thompsoni
Clemens 1964
|
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Mammalia
- Multituberculata
- Cimolomyidae
|
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Meniscoessus robustus
(Marsh 1889)
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Cimolomys gracilis
Marsh 1889
|
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Mammalia
- Stagodontidae
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Didelphodon vorax
Marsh 1889
|
Clemens 1966 | |||||||||
Mammalia
- Alphadontidae
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Alphadon marshi
Simpson 1927
|
Clemens 1966 | |||||||||
Mammalia
- Pediomyidae
|
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Pediomys cooki
Clemens 1966
|
Clemens 1966 | |||||||||
recombined as Leptalestes cooki | ||||||||||
Pediomys hatcheri
(Osborn 1898)
|
Clemens 1966 | |||||||||
original and current combination Protolambda hatcheri | ||||||||||
Pediomys florencae
Clemens 1966
|
Clemens 1966 | |||||||||
recombined as Protolambda florencae | ||||||||||
Mammalia
- Gypsonictopidae
|
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Gypsonictops hypoconus
Simpson 1927
|
Clemens 1973 | |||||||||
Mammalia
- Cimolestidae
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Cimolestes incisus
Marsh 1889
|
Clemens 1973 | |||||||||
Amphibia
- Temnospondyli
- Pelobatidae
|
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? Pelobatidae indet.
Lataste 1879
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Estes 1964 | 1 specimen | ||||||||
Amphibia
- Temnospondyli
- Urodela
|
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Habrosaurus dilatus
Gilmore 1928
|
Estes 1964 | 1 specimen | ||||||||
Scapherpeton tectum
Cope 1876
|
Estes 1964 | 3 specimens | ||||||||
Amphibia
- Temnospondyli
- Batrachosauroididae
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Opisthotriton kayi
Auffenberg 1961
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Estes 1964 | 3 specimens | ||||||||
Prodesmodon copei
Estes 1964
|
Estes 1964 | 1 specimen | ||||||||
Acipenseriformes
- Acipenseridae
|
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Acipenser eruciferus
(Cope 1876)
|
Estes 1964 | 1 element | ||||||||
Chondrichthyes
- Rajiformes
- Rhinobatidae
|
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Myledaphus bipartitus
Cope 1876
|
Estes 1964 | 1 element | ||||||||
Chondrichthyes
- Rajiformes
- Sclerorhynchidae
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Ischyrhiza avonicola
Estes 1964
|
Estes 1964 | 1 element | ||||||||
Gastropoda
- Viviparidae
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cf. Viviparus sp.
Montfort 1810
|
Estes 1964 | |||||||||
cf. Lioplacodes sp.
Meek and Hayden 1864
|
Estes 1964 | |||||||||
Gastropoda
- Heterostropha
- Physidae
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cf. Physa sp.
Draparnaud 1801
|
Estes 1964 | |||||||||
Bivalvia
- Unionida
- Unionidae
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Unionidae indet.
Rafinesque 1820
|
Estes 1964 | |||||||||
Bivalvia
- Cardiida
- Corbiculidae
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? Corbiculidae indet.
Gray 1847
|
Estes 1964 | |||||||||
see common names |
Geography
Country: | United States | State/province: | Wyoming | County: | Niobrara |
Coordinates: | 43.2° North, 104.5° West (view map) | ||||
Paleocoordinates: | 49.6° North, 79.4° West | ||||
Basis of coordinate: | unpublished field data | ||||
Geographic resolution: | small collection |
Time
Period: | Cretaceous | Epoch: | Late/Upper Cretaceous |
Stage: | Maastrichtian | 10 m.y. bin: | Cretaceous 8 | *Epoch: | Senonian |
Key time interval: | Lancian | ||
Age range of interval: | 72.10000 - 66.00000 m.y. ago | ||
* legacy (obsolete) database fields |
Stratigraphy
Formation: | Lance |
Stratigraphic resolution: | bed |
Lithology and environment
Primary lithology: | "cross stratification" sandstone |
Secondary lithology: | sandy "shale" |
Includes fossils? | Y |
Includes fossils? | Y |
Lithology description: "cross-stratified sandstone and sandy shales" | |
Environment: | terrestrial indet. |
Taphonomy
Modes of preservation: | body |
Lagerst�tten type: | concentrate |
Degree of concentration: | concentrated |
Size of fossils: | mesofossils |
Disassociated major elements: | many |
Disassociated minor elements: | many |
Collection methods and comments
Collection methods: | field collection |
Reason for describing collection: | taxonomic analysis |
Museum repositories: | UCMP |
Collectors: | W. A. Clemens |
Metadata
Also known as: | UCMP V-5817 | ||
Database number: | 14538 | ||
Authorizer: | J. Alroy, M. Carrano, R. Benson | Enterer: | J. Alroy, R. Benson, M. Carrano |
Modifier: | M. Carrano | Research group: | vertebrate |
Created: | 1994-07-26 00:00:00 | Last modified: | 2013-09-17 17:06:55 |
Access level: | the public | Released: | 1994-07-26 00:00:00 |
Creative Commons license: | CC BY |
Reference information
Primary reference:
1239. | W. A. Clemens. 1964. Fossil mammals of the type Lance Formation, Wyoming. Part I. Introduction and Marsupialia. University of California Publications in Geological Sciences 48:1-105 [J. Alroy/J. Alroy/J. Alroy] |
Secondary references:
6294 | J. Alroy. 2002. Synonymies and reidentifications of North American fossil mammals. [J. Alroy/J. Alroy/M. Kouvari] | |
1241 | W. A. Clemens. 1966. Fossil mammals from the type Lance Formation, Wyoming. Part II. Marsupialia. University of California Publications in Geological Sciences 62:1-122 [J. Alroy/J. Alroy/J. Alroy] | |
1242 | W. A. Clemens. 1973. Fossil mammals of the type Lance Formation, Wyoming. Part III. Eutheria and summary. University of California Publications in Geological Sciences 94:1-102 [J. Alroy/J. Alroy/J. Alroy] | |
13103 | U.C.M.P. Database. 2005. UCMP collections database. University of California Museum of Paleontology [M. Carrano/M. Carrano/M. Carrano] | |
803 | R. Estes. 1964. Fossil vertebrates from the Late Cretaceous Lance Formation, eastern Wyoming. University of California Publications in Geological Sciences 49:1-187 [J. Alroy/M. Sommers/M. Carrano] | |
42536 | P. A. Holroyd and J. H. Hutchison. 2002. Patterns of geographic variation in latest Cretaceous vertebrates: evidence from the turtle component. Geological Society of America Special Paper 361:177-190 [R. Benson/R. Benson] |