Fig. 5
From: 168 million years old “marine lice” and the evolution of parasitism within isopods
Stereo images and respectively colour marked versions of volume rendering of the functional head and the anterior region of the thorax of fossil isopod Urda rostrata. Abbreviations: fh = functional head, e = eye, lb = labrum, md = mandible, mxa = maxillae, y = y-shaped mouth opening, cx = coxal plate, b = basis, i = ischium, m = merus, c = carpus, p = propodus, d = dactylus, tII-V = thorax segments II-V, tpII-IV = thoracopods II-IV. a-d Specimen 1 (BPSG 2011I50). a1-2 Lateral view. b1-2 Ventral view. c1-2 Specimen 2 (BPSG 2011I51), lateral view. d-e Specimen 1 (BPSG 2011I50). d1-2 Anterior view. e1-2 Anterior-ventral view. Not to scale