• Publications
  • Influence
Transient Floral Change and Rapid Global Warming at the Paleocene-Eocene Boundary
TLDR
Floral response to warming and/or increased atmospheric CO2 during the PETM was comparable in rate and magnitude to that seen in postglacial floras and to the predicted effects of anthropogenic carbon release and climate change on future vegetation.
Comparing Dirichlet normal surface energy of tooth crowns, a new technique of molar shape quantification for dietary inference, with previous methods in isolation and in combination.
TLDR
DNE was the least methodologically sensitive, and its effectiveness suggests it will be a valuable tool for dietary reconstruction, and combined analyses were much more effective at predicting diet than any metric alone.
New Paleocene skeletons and the relationship of plesiadapiforms to crown-clade primates
TLDR
The results, based on the fossil record, unambiguously place plesiadapiforms with Euprimates and indicate that the divergence of Primates (sensu lato) from other euarchontans likely occurred before or just after the Cretaceous/Tertiary boundary (65 Mya), notably later than logistical model and molecular estimates.
Grasping Primate Origins
TLDR
It is inferred that the ancestor of Euprimates was primitively an arboreal grasper adapted for terminal branch feeding rather than a specialized leaper or visually directed predator.
Semicircular canal system in early primates.
Dental topography of platyrrhines and prosimians: convergence and contrasts.
TLDR
Results indicate that platyrrhine dental topography correlates to dietary preference, and platyr rhine-only predictive models yield high rates of accuracy, and the same is true for prosimians.
Persistent Homology Transform for Modeling Shapes and Surfaces
In this paper we introduce a statistic, the persistent homology transform (PHT), to model surfaces in $\mathbb{R}^3$ and shapes in $\mathbb{R}^2$. This statistic is a collection of persistence
Convergent evolution of anthropoid-like adaptations in Eocene adapiform primates
TLDR
As the largest non-anthropoid primate ever documented in Afro-Arabia, Afradapis provides surprising new evidence for prosimian diversity in the Eocene of Africa, and raises the possibility that ecological competition between adapiforms and higher primates might have played an important role during the early evolution of stem and crown Anthropoidea inAfro- Arabia.
...
1
2
3
4
5
...