Dinosaur-age wood decomposing cockroach with coprolite and its ecological context.

Abstract

<p><b>A)</b> wood fragment no. 123 (coprolite no. 3), volume 23077 µm<sup>3</sup> (TRC- parenchymatous tangential ray cells); <b>B)</b> Lebanese amber (Blattulidae 1094A-I), length (head to leg end): 3.8 mm; <b>C)</b> a virtual synchrotron section (∼1.2 mm) through coprolite no. 3, wood particles are pale; <b>D)</b> percentual representation of volume of the respective wood particles; <b>E)</b> distribution analysis of simple particle count of 280 wood fragments present in all five coprolites plotted over the fragment size; <b>F)</b> Ratios of the Blattulidae and “<i>Voltziablatta</i>”- group – families that replaced each other during the Triassic (interrupted arrow) – to all cockroaches, plotted over the timescale (in Ma). The origin and extinction of dinosaurs are pointed with arrows. “N in %” means percentual representation of number of specimens, “spp in %” is a percentual representation of species. Original data.</p

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