Hillside Quarry, MOR TM-055 (Cretaceous to of the United States)

Also known as Cut Bank, Shield's Crossing, Shields Crossing

Where: Glacier County, Montana (48.5° N, 112.5° W: paleocoordinates 56.0° N, 77.7° W)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Two Medicine Formation (Montana Group), Late/Upper Santonian to Late/Upper Santonian (85.8 - 70.6 Ma)

• site re-located as 100 m above Virgelle Sandstone in lower part of formation

• bed-level stratigraphic resolution

Environment/lithology: terrestrial; lithology not reported

Size class: macrofossils

Collected by Brown, Kaisen & Johnson; Horner in 1916, 1987; reposited in the AMNH

Collection methods: quarrying, mechanical,

Primary reference: R. S. Lull and N. E. Wright. 1942. Hadrosaurian dinosaurs of North America. Geological Society of America Special Paper 40:1-242 [M. Carrano/M. Carrano/M. Carrano]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 142497: authorized by Matthew Carrano, entered by Matthew Carrano on 12.04.2013, edited by Jonathan Tennant

Creative Commons license: CC BY (attribution)

Taxonomic list

Reptilia
 Ornithischia - Ankylosauridae
? Oohkotokia sp.3 Penkalski 2014 ankylosaurid
AMNH 5470, partial sacrum; AMNH 20870 (handle vertebrae - precise locality data unknown)
 Ornithischia -
Ceratopsia indet.1 ceratopsian
YPM-PU 22459, teeth
 Ornithischia - Hadrosauridae
Gryposaurus latidens n. sp.2 Horner 1992 hadrosaurine
AMNH 5465, 5467
 Avetheropoda -
Carnosauria indet.1 carnosaur
teeth
 Loricata -
Crocodylia indet.1 crocodilian
teeth, vertebrae
 Testudinata -
Compsemys sp.1 Leidy 1856 turtle
Actinopteri
 Lepisosteiformes - Lepisosteidae
Lepisosteidae indet.1 Cuvier 1825 gar
gar scales