dc:description"Fig. 2. Comparison of the general outline of carapaces (right sides omitted, adapted from Audo 2016 and Audo et al. 2017) of the type species of each genus of fossil Polychelida. A. Adamanteryon fourneti Audo, Schweigert, Saint Martin & Charbonnier, 2014. B. Antarcticheles antarcticus Aguirre-Urreta, Buatois, Chernoglasov & Medina 1990. C. Coleia antiqua Broderip, 1835. D. Cycleryon propinquus (Schlotheim, 1822). E. Eryon cuvieri Desmarest, 1817. F. Gabaleryon coquelae Audo, Williams, Charbonnier & Schweigert, 2017. G. Hellerocaris falloti (Van Straelen, 1923). H. Knebelia bilobata (Münster, 1839). I. Palaeopentacheles roettenbacheri (Münster, 1839). J. Palaeopolycheles longipes (Fraas, 1855). K. Proeryon hartmanni (Meyer, 1836). L. Pseudocoleia mazzolenii Garassino & Teruzzi, 1993. M. Rogeryon oppeli (Woodward, 1866) gen. et comb. nov. N. Rosenfeldia triasica Garassino, Teruzzi & Dalla Vecchia, 1996. O. Soleryon amicalis Audo, Charbonnier, Schweigert & Saint Martin, 2014. P. Tethyseryon campanicus Bravi, Garassino, Bartiromo, Audo, Charbonnier, Schweigert, Thévenard & Longobardi, 2014. Q. Tetrachela raiblana (Bronn, 1858). R. Tonneleryon schweigerti Audo, 2016. S. Tropifer laevis Gould, 1857. T. Voulteryon parvulus Audo, Schweigert, Saint Martin & Charbonnier, 2014. U. Willemoesiocaris ovalis (Van Straelen, 1923). V. Wrangelleryon perates Feldmann, Schweitzer & Haggart, 2013. Illustrations not to scale.";
dc:description"Fig. 5. Rogeryon oppeli (Woodward, 1866) gen. et comb. nov. from the Upper Jurassic (Tithonian) of Germany. A–C. Specimen SMNS 66004 (Sappenfeld), dorsal view, natural light (A), interpretative linedrawing (P1-P3 on one side were restored and are therefore drawn as outline (B) and green fluorescence (C). D. Specimen SMNS 65545 (Eichstätt), ventral view, natural light. E. Specimen SMNS 66004/2 (Langenaltheim), ventral view, natural light. F. Specimen without number (Mörnsheim, K. and H. Schumacher coll.), ventral view, UV light. Abbreviations: a1 = antenna; ba = uropodal basipodite; en = uropodal endopod; ex = uropodal exopod; o = eye; pe = petasma; P1–P5 = pereiopods 1 to 5; pla = posterolateral angle; s1–s6 = pleonites 1 to 6; sm = submarginal carina; t = telson. Scale bars: 20 mm. Photographs: G. Schweigert (A, D–F), J.T. Haug (C).";
dc:description"Fig. 6. Reconstruction of Rogeryon oppeli (Woodward, 1866). A. Dorsal aspect. B. Known parts of the ventral aspect, thoracic appendages omitted on the right side. Please note that due to the softness of the carapace, its precise outline is uncertain. Image hand-drawn by D. Audo.";