Also known as LLJS Quarry; LACM 7942
Where: Powder River County, Montana (45.7° N, 105.1° W: paleocoordinates 52.1° N, 78.9° W)
• coordinate estimated from map
When: Hell Creek Formation, Late/Upper Maastrichtian (70.6 - 66.0 Ma)
• upper Hell Creek Formation
Environment/lithology: fluvial; sandstone and claystone
Size classes: macrofossils, mesofossils
Reposited in the LACM
Primary reference: T. S. Kelly. 2014. Preliminary report on the mammals form Lane's Little Jaw Site Quarry: a latest Cretaceous (earliest Puercan?) local fauna, Hell Creek Formation, southeastern Montana. Paludicola 10(1):50-91 [P. Holroyd/P. Holroyd]more details
Purpose of describing collection: general faunal/floral analysis
PaleoDB collection 183109: authorized by Patricia Holroyd, entered by Patricia Holroyd on 01.12.2016
Creative Commons license: CC BY (attribution)
Taxonomic list
Actinopteri | |
Coriops amnicolus Estes 1969 bonefish | |
Lepisosteus sp. Agassiz 1843 gar | |
Amiidae indet. Huxley 1861 bowfin | |
Reptilia | |
Champsosaurus sp. Cope 1876 choristodere | |
cf. Paronychodon sp. Cope 1876 maniraptoran | |
cf. Richardoestesia isosceles Sankey 2001 maniraptoran
cf. Saurornitholestes sp. Sues 1978 maniraptoran
cf. Dromaeosaurus sp. Matthew and Brown 1922 maniraptoran | |
cf. Pectinodon sp. Carpenter 1982 maniraptoran | |
Tyrannosaurus rex Osborn 1905 tyrant lizard king | |
cf. Triceratops sp. Marsh 1889 ceratopsid | |
cf. Edmontosaurus sp. Lambe 1917 hadrosaurine | |
cf. Borealosuchus sp. Brochu 1997 crocodilian | |
Brachychampsa montanus crocodilian | |
cf. Axestemys sp. Hay 1899 softshell turtle | |
Mammalia | |
? Cimolodon sp. Marsh 1889 multituberculate | |
| |
Meniscoessus robustus Marsh 1889 multituberculate | |
Glasbius twitchelli Archibald 1982 metatherian | |
Didelphodon vorax Marsh 1889 metatherian
cf. Eodelphis sp. Matthew 1916 metatherian | |
Turgidodon rhaister Clemens 1966 metatherian | |
? Leptalestes sp. Davis 2007 metatherian
? Leptalestes cooki Clemens 1966 metatherian
Protolambda mcgilli n. sp. Kelly 2014 metatherian
Pediomys elegans Marsh 1889 metatherian | |
Paleoungulatum hooleyi n. gen. n. sp.
Paleoungulatum hooleyi n. gen. n. sp. Kelly 2014 condylarth | |
Baioconodon cf. nordicus Jepsen 1930 condylarth | |
Cimolestes sp. Marsh 1889 eutherian | |
Amphibia | |
Albanerpeton nexuosus Estes 1981 tetrapod | |
Chondrichthyes | |
Myledaphus bipartitus Cope 1876 guitarfish | |
Ischyrhiza sp. Leidy 1856 ray | |
"Squatirhina americana" = Restesia americana
"Squatirhina americana" = Restesia americana Estes 1964 wobbegong | |
Brachaelurus estesi Herman 1977 carpet shark | |
Lonchidion selachos Estes 1964 elasmobranch |