Lihat Juga

• FIG. 3. — Machaeracanthus goujeti n in Machaeracanthus goujeti n. sp. (Acanthodii) from the Lower Devonian of Spain and northwest France, with special reference to spine histology
  oleh: Botella, Héctor, et al.
  Terbitan: (2012)
• FIG. 6. — Machaeracanthus goujeti n in Machaeracanthus goujeti n. sp. (Acanthodii) from the Lower Devonian of Spain and northwest France, with special reference to spine histology
  oleh: Botella, Héctor, et al.
  Terbitan: (2012)
• FIG. 9 in Machaeracanthus goujeti n. sp. (Acanthodii) from the Lower Devonian of Spain and northwest France, with special reference to spine histology
  oleh: Botella, Héctor, et al.
  Terbitan: (2012)
• FIG. 5 in The Early Devonian Acanthodian Uraniacanthus curtus (Powrie, 1870) n. comb. from the Midland Valley of Scotland
  oleh: Newman, Michael J., et al.
  Terbitan: (2012)
• FIG. 3 in The Early Devonian Acanthodian Uraniacanthus curtus (Powrie, 1870) n. comb. from the Midland Valley of Scotland
  oleh: Newman, Michael J., et al.
  Terbitan: (2012)