2021
DOI: 10.1017/pab.2021.35
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Size-driven preservational and macroecological biases in the latest Maastrichtian terrestrial vertebrate assemblages of North America

Abstract: The end-Cretaceous (K/Pg) mass extinction event is the most recent and well-understood of the “big five” and triggered establishment of modern terrestrial ecosystem structure. Despite the depth of research into this event, our knowledge of upper Maastrichtian terrestrial deposits globally relies primarily on assemblage-level data limited to a few well-sampled formations in North America, the Hell Creek and Lance Formations. These assemblages disproportionally affect our interpretations of this important interv… Show more

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Cited by 18 publications
(10 citation statements)
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“…S8), providing further support for the robustness of our interpretations. These results are also compatible with an undersampling of small-sized taxa in both Campanian ( 53 ) and Maastrichtian ( 54 ) faunas.…”
Section: Resultssupporting
confidence: 84%
“…S8), providing further support for the robustness of our interpretations. These results are also compatible with an undersampling of small-sized taxa in both Campanian ( 53 ) and Maastrichtian ( 54 ) faunas.…”
Section: Resultssupporting
confidence: 84%
“…Our proposed muscle reconstruction is largely limited by a lack of available study material, reflective of the strong preservational bias against the preservation of small skeletons in the fossil record [ 6 , 122 , 123 ]. UAVLP 2 is among the most complete known pachycephalosaur skeletons, although it is missing significant portions of the axial column and distal limb elements.…”
Section: Discussionmentioning
confidence: 99%
“…This is consistent with the conclusions of Myhrvold (2013) , who noted that very immature and very mature individuals are underrepresented in a wide variety of dinosaur clades. This could be due to preservation bias ( Brown et al, 2013 ; Brown et al, 2021 ), errors in age estimation methods, or to high mortality rates in mature individuals (due to competition, disease, predation) ( Erickson, 2005 ; Erickson et al, 2006 ; Hone & Rauhut, 2010 ).…”
Section: Discussionmentioning
confidence: 99%