Also known as Ekalaka
Where: Carter County, Montana (45.9° N, 104.5° W: paleocoordinates 52.2° N, 78.2° W)
• coordinate based on nearby landmark
• small collection-level geographic resolution
When: Hell Creek Formation, Late/Upper Maastrichtian (70.6 - 66.0 Ma)
• bed-level stratigraphic resolution
Environment/lithology: channel lag; medium-grained, coarse sandstone
Size class: macrofossils
Primary reference: W. G. Joyce, T. R. Lyson, and S. Williams. 2016. New cranial material of Gilmoremys lancensis (Testudines, Trionychidae) from the Hell Creek Formation of southeastern Montana, U.S.A. Journal of Vertebrate Paleontology 36(6):e1225748:1-10 [P. Mannion/P. Mannion]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 189003: authorized by Philip Mannion, entered by Philip Mannion on 26.09.2017
Creative Commons license: CC BY (attribution)
Taxonomic list
Angiospermae | |
Dryophyllum subfalcatum Lesquereux 1875 | |
Chondrichthyes | |
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Reptilia | |
Compsemys victa Leidy 1856 turtle | |
Baenidae indet. turtle
Eubaena cephalica Hay 1904 turtle
Neurankylus sp. Lambe 1902 turtle
Palatobaena cohen Lyson and Joyce 2009 turtle | |
Gilmoremys lancensis Gilmore 1916 turtle BMRP 2013.4.214, 2012.4.336, 2013.4.240, 2013.4.241 and 2013.4.239
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Axestemys sp. Hay 1899 softshell turtle
Trionyx beecheri Hay 1904 softshell turtle | |
Basilemys sp. Hay 1902 turtle | |
Crocodylia indet. Owen 1842 crocodilian | |
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Thescelosaurus sp. Gilmore 1913 ornithopod "cranial and postcranial material belonging to at least three individuals"
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Champsosauridae indet. Cope 1876 champsosaur | |
Actinopteri | |
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Leepierceia preartocarpoides Johnson 1996 |