Fig. 2. A, B in The revision of "Cladodus" occidentalis, a late Palaeozoic ctenacanthiform shark

Fig. 2. A, B. Glikmanius occidentalis (Leidy, 1859). A. Specimen PF 8240, from the Pennsylvanian black shales of the Hesler Quarry, Indiana, in oral/lingual view (same as Williams 1985: pl. 7: 7). B. Specimen PCh/425a, from the Moscovian of Myachkovo, Moscow District, in oral (B1) and aboral (B2) views. C. Glikmanius myachkovensis (Lebedev, 2001), specimen MB.f.9452.1, from the Moscovian of Myachkovo, in labial (C1), labial/aboral (C2), and aboral (C3) views.