Part and counterpart of the fossil nautiloid cephalopod *Aturia quartinoi* from the Eocene La Meseta Formation of Seymour Island, Antarctica (PRI 59499). Specimen is from the research collections of the [Paleontological Research Institution](http://www.priweb.org), Ithaca, New York. Maximum diameter of concretion is approximately 6.5 cm. Model and animation by Emily Hauf.