Fig. 4From: Redefining the extinct orders Miomoptera and Hypoperlida as stem acercarian insects Mazonopsocus testai gen. et sp. nov., Paleomanteidae (Miomoptera), Pennsylvanian (Moscovian), Mazon Creek, Illinois, USA). a photograph of habitus holotype FM TVT1991a (part); (b) photograph of habitus holotype FM TVT1991b (c/part); (c) photograph of detail wing base FM TVT1991a (part); (d) line drawing of fore- and hindwing venation (scale bars represent 1Â mm)Back to article page