We reinvestigated the holotype of Protelytron permianum, one of the earliest putative stem-dermapteran (i.e. stem-earwig). We recurred to reflectance transformation imaging (RTI) to deliver exhaustive and interactive photographic data. We were able to ascertain the occurrence of broadenings 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 an organization is diagnostic of Dermaptera, in which it is indicative of hind wing folding mechanisms, particularly elaborated in these insects. We provide a foldable, paper model of the hind wing. Based on the case presented herein we anticipate that RTI process will be a major upheaval in the documentation of fossil insects preserved as imprints.
Dryad dataset
Thanks for downloading this package. It is divided into three sub-packages, 1_softwares_set, 2_RTI_set, and a 3_paper_model_set.
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1_softwares_set sub-package contains a number of files currently available at http://culturalheritageimaging.org/What_We_Offer/Downloads/. They are provided here to ensure long-term archiving, and reading of our dataset. In details, this sub-package contains:
RTIbuilder_2_0_2_MacOs
Installation package for RTIbuilder software under Mac operating system
RTIbuilder_2_0_2_WinOs
Installation package for RTIbuilder software under Windows operating system
RTIViewer-1.1.0_MacOs
Installation package for RTIviewer software under Mac operating system
RTIViewerSetup-1.1.0-WinOs_x32
Installation package for RTIviewer software under Windows operating system, 32 bits
RTIViewerSetup-1.1.0-WinOs_x64
Installation package for RTIviewer software under Windows operating system, 64 bits
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2_RTI_set sub-package contains two *.rti files of the specimen YPM IP 001019 (b side; Yale Peabody Museum; holotype of Protelytron permianum, Lower Permian, USA), together with their associated bookmarks files. In details, this sub-package contains:
YPM_IP_001019b_1overview
This *.rti file is an overview of the complete specimen. The associated bookmarks file (*.xmp) is
YPM_1019b_1overview_rti
YPM_IP_001019b_2detailHW
This *.rti file is a close-up view of the left hind wing of specimen. The associated bookmarks file (*.xmp) is YPM_1019b_2detailHW_rti
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3_paper_model_set
This set contains our Fig. 3 as pdf and a video tutorial providing guidelines on how to prepare and operate the paper model.
Dryad set.zip