PNAS 2011: $116$ second mandibular molars of prosimian primates and non-primate close relatives, prepared and curated by Douglas M. Boyer. This dataset was first published in the following paper:
Doug M. Boyer, Yaron Lipman, Elizabeth St. Clair, Jesus Puente, Biren A. Patel, Thomas Funkhouser, Jukka Jernvall, and Ingrid Daubechies, 2011. "Algorithms to Automatically Quantify the Geometric Similarity of Anatomical Surfaces." Proceedings of the National Academy of Sciences, 108(45), pp.18221—18226.
HDM 2016: $50$ second mandibular molars of Platyrrhines, prepared and curated by Douglas M. Boyer. This dataset was first published in:
Tingran Gao, "The Diffusion Geometry of Fibre Bundles: Horizontal Diffusion Maps." Applied and Computational Harmonic Analysis, online first, pp.1—69 (2019) DOI: 10.1016/j.acha.2019.08.001
Tingran Gao, "Hypoelliptic Diffusion Maps and Their Applications in Automated Geometric Morphometrics." Ph.D. Thesis, Duke University (2015)