FIGURE 6. Anthracaris gracilis (Meek and Worthen, 1865) from the Carboniferous of Germany. (A–E) Digital microscopy image of isolated pleon in dorsal view of specimen 1.756. (A, B) Part. (C) Same as B, but structures colour marked. (D, E) Counterpart. (A, D) Non-polarized co-axial light. (B, E) Polarized co-axial light. Images of the counterpart are mirrored. (F–H) Details of specimen 1.529. (F) Detail of exopods of thoracic appendage. (G) Same as F, but colour marked. (H) Detail of the distal portion of an endopod of thoracic appendage, colour marked. Abbreviations: b = basipod; c = carpus; cr = caudal ramus; d = dactylus; en = endopod; ex = exopod; pp = pleopod; ps1–6 = pleon segment 1–6; pr = propodus; s = setae; t = telson; ts = telson spine.

Published as part of Pazinato, Paula Giovana, Haug, Carolin, Leipner, Angelika & Haug, Joachim T., 2022, Pygocephalomorphan crustaceans further emphasise the similarities between the Carboniferous Piesberg quarry in Germany and the Mazon Creek Lagerstätte in North America, pp. 1-21 in Palaeontologia Electronica (a2) 25 (1) on page 9, DOI: 10.26879/1051, http://zenodo.org/record/12656478