Fossil Record 20(1): 1-7, doi: 10.5194/fr-20-1-2016
Reinvestigation of Protelytron permianum (Insecta; Early Permian; USA) as an example for applying reflectance transformation imaging to insectimprint fossils
expand article infoOlivier Bethoux, Artémis Llamosi§, Séverine Toussaint|
‡ MNHN, UPMC, CNRS, Paris, France§ INRIA Saclay, 1 rue Honoré d'Estienne d'Orves, Palaiseau, 91120, France| Sorbonne Paris Cité, Université Paris Diderot (Paris 7), UFR Sciences du Vivant, 5 rue Thomas Mann, Paris, 75013, France
Open Access
Abstract
We reinvestigated the holotype of Protelytron permianum, one of theearliest putative stem-dermapteran (i.e. stem-earwig). We recurred toreflectance transformation imaging (RTI) to deliver exhaustive andinteractive photographic data. We were able to ascertain the occurrence ofbroadenings located along veins of the hind wing vannus and forming an arc,as well as a series of radiating folds, alternatively concave and convex. Such anorganization is diagnostic of Dermaptera, in which it is indicative of hindwing folding mechanisms, particularly elaborated in these insects. We providea foldable, paper model of the hind wing. Based on the case presented hereinwe anticipate that RTI process will be a major upheaval in the documentationof fossil insects preserved as imprints.