Accroding to...
|?-o †Glikmanius Ginter, Ivanov & Lebedev, 2005 | |-- †G. occidentalis (Leidy, 1859) | `-- †G. myachkovensis (Lebedev, 2001)
Reference(s):
- Ginter, M., Ivanov, A. & Lebedev, O., 2005: The revision of “Cladodus” occidentalis, a late Palaeozoic ctenacanthiform shark.
–Acta Palaeontologica Polonica: Vol. 50, #3, pp. 623-631 [http://app-pan.pl/acta50/app50-623.pdf]