Two halves make a Holotype: two hundred years between discoveries

David C. Parris; Jason P. Schein; Edward B. Daeschler; Edward S. Gilmore; Jason C. Poole; Rodrigo A. Pellegrini

doi:10.1635/053.163.0105

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David C. Parris,¹ Jason P. Schein,² Edward B. Daeschler,³ Edward S. Gilmore,⁴ Jason C. Poole,⁵ Rodrigo A. Pellegrini⁶

¹New Jersey State Museum, 205 West State Street, Trenton, NJ 08625. E-mail: David.Parris@sos.state.nj.us
²New Jersey State Museum, 205 West State Street, Trenton, NJ 08625. E-mail: Jason.Schein@sos.state.nj.us
³Academy of Natural Sciences of Drexel University, 1900 Benjamin Franklin Parkway, Philadelphia, PA 19103. E-mail: daeschler@ansp.org
⁴Academy of Natural Sciences of Drexel University, 1900 Benjamin Franklin Parkway, Philadelphia, PA 19103. E-mail: egilmore@ansp.org
⁵Academy of Natural Sciences of Drexel University, 1900 Benjamin Franklin Parkway, Philadelphia, PA 19103. E-mail: jpoole@ansp.org
⁶New Jersey State Museum, 205 West State Street, Trenton, NJ 08625. E-mail: Rodrigo.Pellegrini@sos.state.nj.us

Abstract

The holotype specimen of Atlantochelys mortoni, a large sea turtle of Cretaceous age, consisted of only the proximal half of a humerus. Remarkably, the distal half of the same bone has now been recovered, 163 years after the holotype was first described. Besides clarification of the type locality, the size of the complete humerus suggests that this is among the largest turtles known. Circumstances of the discovery suggest that multiple periods of deposition and erosion took place at the discovery site.

Citation Download Citation

David C. Parris, Jason P. Schein, Edward B. Daeschler, Edward S. Gilmore, Jason C. Poole, and Rodrigo A. Pellegrini "Two halves make a Holotype: two hundred years between discoveries," Proceedings of the Academy of Natural Sciences of Philadelphia 163(1), 85-89, (1 March 2014). https://doi.org/10.1635/053.163.0105

Published: 1 March 2014

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