ThePhysicist Posted October 17, 2021 Share Posted October 17, 2021 Hi y'all, recently acquired this beautiful multituberculate. Total tooth height is 3 mm. Mesodma sp. P4? @jpc Cf. Mesodma sp. Hell Creek Fm., Garfield Co., MT, USA 3 mm 1 4 "Argumentation cannot suffice for the discovery of new work, since the subtlety of Nature is greater many times than the subtlety of argument." - Carl Sagan "I was born not knowing and have had only a little time to change that here and there." - Richard Feynman Collections: Hell Creek Microsite | Hell Creek/Lance | Dinosaurs | Sharks | Squamates | Post Oak Creek | North Sulphur River | Lee Creek | Aguja | Permian | Devonian | Triassic | Harding Sandstone Instagram: @thephysicist_tff Link to comment Share on other sites More sharing options...
Troodon Posted October 17, 2021 Share Posted October 17, 2021 Looks like a match, P4 its spp quite a few species described PRELIMINARY REPORT ON THE MAMMALS FROM LANE'S LITTLE JAW SITE QUARRY: A ?LATEST CRETACEOUS (LANCIAN) ASSEMBLAGE, HELL CREEK FORMATION, SOUTHEASTERN MONTANA Thomas S. Kelly 3 Link to comment Share on other sites More sharing options...
jpc Posted October 22, 2021 Share Posted October 22, 2021 I would have to look in Bill Clemens' Mammals of the Lance Fm. I can get to it later. 1 Link to comment Share on other sites More sharing options...
Fossildude19 Posted November 24, 2021 Share Posted November 24, 2021 On 10/22/2021 at 1:14 PM, jpc said: I would have to look in Bill Clemens' Mammals of the Lance Fm. I can get to it later. Any chance to have a look, JPC? Tim - VETERAN SHALE SPLITTER VFOTM --- APRIL - 2015 __________________________________________________ "In every walk with nature one receives far more than he seeks." John Muir ~ ~ ~ ~ ><))))( *> About Me Link to comment Share on other sites More sharing options...
ThePhysicist Posted August 11, 2022 Author Share Posted August 11, 2022 On 10/22/2021 at 11:14 AM, jpc said: I would have to look in Bill Clemens' Mammals of the Lance Fm. I can get to it later. Looks like a pretty good match to my eyes in Clemens, though I can't determine species: "Cusp formula 1 to 4:5 to 7:0 or 1. There are from five to seven cusps (mode = 6) in the medial row; the first is small and low. The following, well-separated cusps are not much higher - measured from the apex of the cusp to the base of the intercusp notch - but the central area of the crown increases in height..." 1 "Argumentation cannot suffice for the discovery of new work, since the subtlety of Nature is greater many times than the subtlety of argument." - Carl Sagan "I was born not knowing and have had only a little time to change that here and there." - Richard Feynman Collections: Hell Creek Microsite | Hell Creek/Lance | Dinosaurs | Sharks | Squamates | Post Oak Creek | North Sulphur River | Lee Creek | Aguja | Permian | Devonian | Triassic | Harding Sandstone Instagram: @thephysicist_tff Link to comment Share on other sites More sharing options...
jpc Posted August 13, 2022 Share Posted August 13, 2022 looks like I dropped the ball on this one. Glad you were able to find it. I agree... Mesodma... but it would also be useful to compare the stated size range to yours. 1 Link to comment Share on other sites More sharing options...
ThePhysicist Posted September 29, 2022 Author Share Posted September 29, 2022 On 8/13/2022 at 1:34 PM, jpc said: looks like I dropped the ball on this one. Glad you were able to find it. I agree... Mesodma... but it would also be useful to compare the stated size range to yours. I didn't see a table for M. formosa that included P4, only for M. thompsoni: at 3 mm, my tooth compares well "Argumentation cannot suffice for the discovery of new work, since the subtlety of Nature is greater many times than the subtlety of argument." - Carl Sagan "I was born not knowing and have had only a little time to change that here and there." - Richard Feynman Collections: Hell Creek Microsite | Hell Creek/Lance | Dinosaurs | Sharks | Squamates | Post Oak Creek | North Sulphur River | Lee Creek | Aguja | Permian | Devonian | Triassic | Harding Sandstone Instagram: @thephysicist_tff Link to comment Share on other sites More sharing options...
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