Top Cat Quarry (TCQ) (Cretaceous to of the United States)

Where: Golden Valley County, Montana (46.1° N, 109.1° W: paleocoordinates 53.1° N, 76.2° W)

• coordinate based on political unit

• small collection-level geographic resolution

When: Judith River Formation (Montana Group), Middle Campanian to Middle Campanian (83.5 - 70.6 Ma)

• Judithian based on fauna

• bed-level stratigraphic resolution

Environment/lithology: channel lag; mudstone

Size class: mesofossils

Collection methods: bulk, quarrying, surface (float), sieve,

Primary reference: A. R. Fiorillo. 1989. The vertebrate fauna from the Judith River Formation (Late Cretaceous) of Wheatland and Golden Valley counties, Montana. Mosasaur 4:127-142 [J. Alroy/J. Alroy/H. Street]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 14490: authorized by John Alroy, entered by John Alroy on 30.04.1994, edited by Matthew Carrano

Creative Commons license: CC BY (attribution)

Taxonomic list

• both "Alphadon sp." and Eodelphis sp. are omitted by Fiorillo 1997, and I suspect they are based on Hidden Valley Quarry specimens formerly lumped in this fauna (see)
Show authors, comments, and common names
Chondrichthyes
 Hybodontiformes - Hybodontidae
Hybodus sp.
Hybodus sp. Agassiz 1834 elasmobranch
 Rajiformes - Sclerorhynchidae
Ischyrhiza sp.
Ischyrhiza sp. Leidy 1856 ray
 Rajiformes - Rhinobatidae
Myledaphus sp.
Myledaphus sp. Cope 1876 guitarfish
 Rajiformes -
Protoplatyrhina sp.
Protoplatyrhina sp. Case 1978 guitarfish
 Lamniformes - Odontaspididae
Odontaspis sp.
Odontaspis sp. Agassiz 1838 sand tiger shark
 Orectolobiformes - Orectolobidae
Eucrossorhinus sp.
Eucrossorhinus sp. Regan 1908 wobbegong
Actinopteri
 Teleostei -
Teleostei indet.
 Elopiformes - Phyllodontidae
Paralbula sp.
Paralbula sp. Blake 1940
 Aspidorhynchiformes - Aspidorhynchidae
Belonostomus sp.
Belonostomus sp. Agassiz 1834
 Amiiformes - Amiidae
"Kindleia sp." = Cyclurus
"Kindleia sp." = Cyclurus Agassiz 1839 bowfin
 Lepisosteiformes - Lepisosteidae
Lepisosteus sp.
Lepisosteus sp. Agassiz 1843 gar
Amphibia
 Caudata - Urodela
Scapherpeton sp.
Scapherpeton sp. Cope 1876 salamander
 Proteida - Batrachosauroididae
Opisthotriton sp.
Opisthotriton sp. Auffenberg 1961 salamander
Mammalia
 Multituberculata - Neoplagiaulacidae
Mesodma sp.
Mesodma sp. Jepsen 1940 multituberculate
 Multituberculata - Cimolomyidae
Meniscoessus sp.2
Meniscoessus sp.2 Cope 1882 multituberculate
 Tribosphenida - Alphadontidae
Alphadon sp.
Alphadon sp. Simpson 1927 metatherian
 Tribosphenida - Stagodontidae
Eodelphis sp.
Eodelphis sp. Matthew 1916 metatherian
Reptilia
 Squamata -
"cf. Diploglossa indet." = Anguioidea
"cf. Diploglossa indet." = Anguioidea Fitzinger 1826 squamates
 Testudines - Trionychidae
Trionychinae indet.1
Trionychinae indet.1 Gray 1825 softshell turtle
 Testudinata - Baenidae
Boremys sp.
Boremys sp. Lambe 1906 turtle
 Theropoda -
Theropoda "indet. A"3
 Theropoda - Dromaeosauridae
Saurornitholestes langstoni3
Saurornitholestes langstoni3 Sues 1978 maniraptoran
 Theropoda - Troodontidae
Troodon formosus3
Troodon formosus3 Leidy 1856 maniraptoran
 Ornithischia - Ankylosauridae
Ankylosauridae indet.
Ankylosauridae indet. Brown 1908 ankylosaurid
 Ornithischia - Hadrosauridae
Hadrosauridae indet.
Hadrosauridae indet. Cope 1869 hadrosaurid
 Loricata -
Crocodylia indet.1
Crocodylia indet.1 crocodilian
 Choristodera -
Champsosaurus sp.
Champsosaurus sp. Cope 1876 choristodere
Osteichthyes
 Acipenseriformes - Acipenseridae
Acipenser sp.
Acipenser sp. Linnaeus 1758 sturgeon
1Alroy 2007; 2Fiorillo 1997; 3Fiorillo and Currie 1994