Irvine microvertebrate site: Judithian, Canada

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Actinopteri - Esociformes - Esocidae
Wilson et al. 1992 8 specimens
Reptilia - Chamopsiidae
Gao and Fox 1991 5 specimens
UALVP 29736, 29740, 29743-45 (dentaries)
Gao and Fox 1991 4 specimens
UALVP 29749 (holotype dentary), 29748, 29750, 29753 (dentaries)
Gao and Fox 1991 2 specimens
UALVP 29741, 29772 (right dentaries)
Reptilia - Scincidae
Gao and Fox 1991 2 specimens
UALVP 29747 (holotype left dentary), 29904 (right dentary)
Reptilia - Cordylidae
Gao and Fox 1991 2 specimens
UALVP 29810, 29907 (partial dentaries)
Reptilia - Teiidae
Gao and Fox 1991 7 specimens
UALVP 29735 (holotype); UALVP 2036, 29756, 29759, 29913, 29767, 29769 (dentaries reported by Gao & Fox 1996)
Gao and Fox 1991 1 specimen
UALVP 29742 (holotype)
Gao and Fox 1991 8 specimens
UALVP 29754 (holotype), plus UALVP 29757, 29760-29762, 29765-29766, 29768 (partial dentaries reported by Gao & Fox 1996)
Reptilia - Anguidae
Gao and Fox 1991 11 specimens
UALVP 29896 (holotype dentary), 29892-5 (maxillae), 29897-29902, 33380 (dentaries)
Reptilia
Gao and Fox 1991 13 specimens
UALVP 33346, 33366-33369 (maxilla), 33370-33373 (dentaries), 33375-33377 (parietals), 33374 (frontal)
Longrich 2009 1 specimen
UALVP 47944
Longrich 2009 1 specimen
UALVP 47942
Reptilia - Dromaeosauridae
Larson and Currie 2013 1 specimen
TMP 1982.024.0078
Longrich and Currie 2009 2 specimens
UALVP 50048, 50049
Reptilia - Cteniogenyidae
Gao and Fox 1991 7 specimens
UALVP 29808, 29809 (maxillary fragments), 29791, 29793-29795, 29800 (partial dentaries)
Mammalia - Alphadontidae
(5 measurements)
Mammalia - Pediomyidae
Fox 1979
form "A"
Alroy 2007
Fox 1979
Fox 1979
Pediomys cf. hatcheri (Osborn 1898)
Fox 1979
Fox 1979
Mammalia
Fox 1979
Mammalia - Gypsonictopidae
Fox 1979
Amphibia - Temnospondyli - Urodela
Gardner and DeMar 2013
Gardner and DeMar 2013
Gardner and DeMar 2013
Gardner and DeMar 2013
Gardner and DeMar 2013
Gardner 2003 8 specimens
UALVP 43906 - type (incomplete premaxilla); referred specimens: UALVP 43902-43905 (premaxillae), 43907-43909 (dentaries) and 40051 (atlantal centrum)
Amphibia - Temnospondyli - Batrachosauroididae
Gardner and DeMar 2013
Amphibia - Temnospondyli
Gardner et al. 2016 1 specimen
UALVP 40218*, maxilla
Gardner et al. 2016 2 specimens
UALVP 40191*, 40192*, maxillae
Gardner et al. 2016 1 specimen
UALVP 40169*, maxilla
Gardner et al. 2016 14 specimens
UALVP 40192*, 40201*, maxillae; UALVP 40181, 40185*, 40186*, squamosals; UALVP 40180, 40193*–40195*, nasals; UALVP 40182, 40183, 40196*, 40197*, frontoparietals; possibly UALVP 40184, ilium
Gardner and Brinkman 2015 22 specimens
UALVP 40167 - holotype (right maxilla missing posterior and anterior ends of bone); referred material: UALVP 40202–40207, UALVP 40037, 40038, 40052, and 40152 (maxillae); UALVP 40217 (premaxilla); UALVP 40171, 40172, 40211, and 40212 (squamosals); UALVP 40170 (nasal); UALVP 40173 and 40174 (frontoparietals); UALVP 40175, 40213 and 40214 (ilia)
see common names

Geography
Country:Canada State/province:Alberta
Coordinates: 50.0° North, 110.3° West (view map)
Paleocoordinates:59.9° North, 64.9° West (Wright 2013)
Basis of coordinate:stated in text
Geographic resolution:small collection
Time
Period: Cretaceous Epoch: Late Cretaceous
Stage: Campanian 10 m.y. bin: Cretaceous 7
*Epoch:Senonian
Key time interval: Judithian
Age range of interval: 83.6 - 72.1 m.y. ago
* legacy (obsolete) database fields
Stratigraphy
Geological group:Belly River Formation:Dinosaur Park
Stratigraphic resolution:bed
Stratigraphy comments: originally upper Oldman Fm., now upper part of Dinosaur Park Fm.
Lithology and environment
Primary lithology: not reported
Environment:terrestrial indet.
Taphonomy
Modes of preservation:body
Degree of concentration:concentrated
Size of fossils:mesofossils
Preservation of anatomical detail:excellent
Associated major elements:some
Disassociated major elements:some
Fragmentation:occasional
Spatial resolution:parautochthonous
Collection methods and comments
Collection excludes:some genera
Collection methods:bulk,sieve,field collection,survey of museum collection
Reason for describing collection:taxonomic analysis
Metadata
Database number:14463
Authorizer:J. Alroy, P. Holroyd, M. Carrano, P. Mannion Enterer:J. Alroy, P. Holroyd, M. Carrano, P. Mannion
Modifier:M. Carrano Research group:vertebrate
Created:1994-04-30 00:00:00 Last modified:2025-02-22 15:12:02
Access level:the public Released:1994-04-30 00:00:00
Creative Commons license:CC0
Reference information

Primary reference:
1517. R. C. Fox. 1979. Mammals from the Upper Cretaceous Oldman Formation, Alberta. I. Alphadon Simpson (Marsupialia). Canadian Journal of Earth Sciences 16:91-102 [J. Alroy/J. Alroy/M. Carrano]

Secondary references:

6294 J. Alroy. 2002. Synonymies and reidentifications of North American fossil mammals. [J. Alroy/J. Alroy/M. Kouvari]
19636 J. Alroy. 2007. Synonymies and reidentifications of North American fossil vertebrates and so forth. [J. Alroy/J. Alroy]
1518 R. C. Fox. 1979. Mammals from the Upper Cretaceous Oldman Formation, Alberta. II. Pediomys Marsh (Marsupialia). Canadian Journal of Earth Sciences 16:103 [J. Alroy/J. Alroy/J. Ju]
1519 R. C. Fox. 1979. Mammals from the Upper Cretaceous Oldman Formation, Alberta. III. Eutheria. Canadian Journal of Earth Sciences 16:114 [J. Alroy/J. Alroy/J. Ju]
37545 K. -Q. Gao and R. C. Fox. 1991. New teiid lizards from the Upper Cretaceous Oldman Formation (Judithian) of southeastern Alberta, Canada, with a review of the Cretaceous record of teiids. Annals of Carnegie Museum 60(2):145-162 [R. Benson/R. Benson]
42825 J. D. Gardner. 2003. Revision of Habrosaurus Gilmore (Caudata; Sirenidae) and relationships among sirenid salamanders. Palaeontology 46(6):1089-1122 [P. Mannion/P. Mannion/M. Carrano]
56071 J. D. Gardner and D. B. Brinkman. 2015. A new frog (Lissamphibia, Anura) from the Late Cretaceous of Alberta, Canada. In O. R. P. Bininda-Emonds, G. L. Powell, H. A. Jamniczky, A. M. Bauer, J. Theodor (eds.), All Animals are Interesting: A Festschrift in Honour of Anthony P. Russell 35-105 [P. Mannion/P. Mannion/M. Carrano]
65027 J. D. Gardner and D. G. DeMar. 2013. Mesozoic and Palaeocene lissamphibian assemblages of North America: a comprehensive review. Palaeobiodiversity and Palaeoenvironments 93:459-515 [P. Holroyd/P. Holroyd/M. Carrano]
64015 J. D. Gardner, C. M. Redman, and R. L. Cifelli. 2016. The hopping dead: Late Cretaceous frogs from the middle-late Campanian (Judithian) of western North America. Fossil Imprint 72(1-2):78-107 [P. Holroyd/P. Holroyd/M. Carrano]
48570 D. W. Larson and P. J. Currie. 2013. Multivariate analyses of small theropod dinosaur teeth and implications for paleoecological turnover through time. PLoS ONE 8(1):e54329:1-14 [M. Carrano/M. Carrano/M. Carrano]
29137ETE N. R. Longrich. 2009. An ornithurine-dominated avifauna from the Belly River Group (Campanian, Upper Cretaceous) of Alberta, Canada. Cretaceous Research 30(1):161-177 [M. Carrano/M. Carrano]
29426 N. R. Longrich and P. J. Currie. 2009. A microraptorine (Dinosauria–Dromaeosauridae) from the Late Cretaceous of North America. Proceedings of the National Academy of Sciences [J. Alroy/J. Alroy]
45321 M. V. H. Wilson, D. B. Brinkman, and A. G. Neuman. 1992. Cretaceous Esocoidei (Teleostei): early radiation of the pikes in North American fresh waters. Journal of Paleontology 66(5):839-846 [M. Bell/M. Bell]