Irvine microvertebrate site (Cretaceous of Canada)

Where: Alberta, Canada (50.0° N, 110.3° W: paleocoordinates 57.0° N, 75.2° W)

• coordinate stated in text

• small collection-level geographic resolution

When: Dinosaur Park Formation (Belly River Group), Judithian (83.5 - 70.6 Ma)

• originally upper Oldman Fm., now upper part of Dinosaur Park Fm.

• bed-level stratigraphic resolution

Environment/lithology: terrestrial; lithology not reported

Size class: mesofossils

Collection methods: bulk, sieve,

Primary reference: 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]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 14463: authorized by John Alroy, entered by John Alroy on 30.04.1994, edited by Matthew Carrano, Philip Mannion and Patricia Holroyd

Creative Commons license: CC BY (attribution)

Taxonomic list

Actinopteri
 Esociformes - Esocidae
Estesesox foxi12 Wilson et al. 1992
Amphibia
 Salientia -
Anura "indet. 3"8 Fischer von Waldheim 1813 frog
UALVP 40218*, maxilla
Anura "indet. 2"8 Fischer von Waldheim 1813 frog
UALVP 40191*, 40192*, maxillae
Anura "indet. 1"8 Fischer von Waldheim 1813 frog
UALVP 40169*, maxilla
Anura "Unnamed genus and species I"8 Fischer von Waldheim 1813 frog
UALVP 40192*, 40201*, maxillae; UALVP 40181, 40185*, 40186*, squamosals; UALVP 40180, 40193*–40195*, nasals; UALVP 40182, 40183, 40196*, 40197*, frontoparietals; possibly UALVP 40184, ilium
Hensonbatrachus kermiti n. gen. n. sp.6 Gardner and Brinkman 2015 frog
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)
 Proteida - Batrachosauroididae
Opisthotriton kayi7 Auffenberg 1961 salamander
 Caudata - Urodela
Urodela indet.7 salamander
Habrosaurus prodilatus n. sp.5 Gardner 2003 siren
UALVP 43906 - type (incomplete premaxilla); referred specimens: UALVP 43902-43905 (premaxillae), 43907-43909 (dentaries) and 40051 (atlantal centrum)
Scapherpetontidae "gen. et sp. nov. 1"7 Auffenberg and Goin 1959 salamander
Scapherpetontidae indet.7 Auffenberg and Goin 1959 salamander
Lisserpeton bairdi7 Estes 1965 salamander
Scapherpeton tectum7 Cope 1876 salamander
Mammalia
 Theriamorpha - Alphadontidae
"Alphadon russelli n. sp." = Turgidodon russelli
"Alphadon russelli n. sp." = Turgidodon russelli Fox 1979 metatherian
 Theriamorpha - Pediomyidae
Pediomyidae indet.1, Pediomys cf. elegans2, "Pediomys clemensi" = Protolambda clemensi2, "Pediomys cf. hatcheri" = Protolambda hatcheri2, "Pediomys prokrejcii n. sp." = Leptalestes prokrejcii2
Pediomyidae indet.1 Simpson 1927 metatherian
form "A"
Pediomys cf. elegans2 Marsh 1889 metatherian
"Pediomys clemensi" = Protolambda clemensi2 Sahni 1972 metatherian
"Pediomys cf. hatcheri" = Protolambda hatcheri2 Osborn 1898 metatherian
"Pediomys prokrejcii n. sp." = Leptalestes prokrejcii2 Fox 1979 metatherian
 Theriamorpha - Gypsonictopidae
Gypsonictops lewisi3 Sahni 1972 eutherian
 Theriamorpha -
Paranyctoides sternbergi n. sp.3 Fox 1979 eutherian
Reptilia
 Choristodera - Cteniogenyidae
Cteniogenys cf. antiquus4 Gilmore 1928 choristodere
UALVP 29808, 29809 (maxillary fragments), 29791, 29793-29795, 29800 (partial dentaries)
 Theropoda - Dromaeosauridae
Hesperonychus elizabethae11 Longrich and Currie 2009 maniraptoran
UALVP 50048, 50049
Richardoestesia gilmorei9 Currie et al. 1990 maniraptoran
TMP 1982.024.0078
Aves
 Ornithurae -
Ornithurae "indet. B"10 bird
UALVP 47944
Ornithurae "indet. C"10 bird
UALVP 47942
Reptilia
 Squamata - Cordylidae
? Cordylidae "gen. et sp. indet. A"4 Gray 1837 spinytail lizard
UALVP 29810, 29907 (partial dentaries)
 Squamata - Scincidae
Orthrioscincus mixtus n. gen. n. sp.4
Orthrioscincus mixtus n. gen. n. sp.4 Gao and Fox 1996 skink
UALVP 29747 (holotype left dentary), 29904 (right dentary)
 Squamata - Teiidae
Gerontoseps irvinensis n. gen. n. sp.4, Glyptogenys ornata n. gen. n. sp.4, Sphenosiagon simplex n. gen. n. sp.4
Gerontoseps irvinensis n. gen. n. sp.4 Gao and Fox 1991 squamates
UALVP 29754 (holotype), plus UALVP 29757, 29760-29762, 29765-29766, 29768 (partial dentaries reported by Gao & Fox 1996)
Glyptogenys ornata n. gen. n. sp.4 Gao and Fox 1991 squamates
UALVP 29735 (holotype); UALVP 2036, 29756, 29759, 29913, 29767, 29769 (dentaries reported by Gao & Fox 1996)
Sphenosiagon simplex n. gen. n. sp.4 Gao and Fox 1991 squamates
UALVP 29742 (holotype)
 Squamata -
Parasaniwa "n. sp. cf. wyomingensis"4 Gilmore 1928 squamates
UALVP 33346, 33366-33369 (maxilla), 33370-33373 (dentaries), 33375-33377 (parietals), 33374 (frontal)
 Squamata - Anguidae
Odaxosaurus priscus n. sp.4 Gao and Fox 1996 squamates
UALVP 29896 (holotype dentary), 29892-5 (maxillae), 29897-29902, 33380 (dentaries)
 Squamata - Chamopsiidae
Leptochamops thrinax n. gen. n. sp.4 Gao and Fox 1991 squamates
UALVP 29749 (holotype dentary), 29748, 29750, 29753 (dentaries)
Leptochamops cf. denticulatus4 Gilmore 1928 squamates
UALVP 29741, 29772 (right dentaries)
Socognathus unicuspis4 Gao and Fox 1991 squamates
UALVP 29736, 29740, 29743-45 (dentaries)