FIG. 9 in Machaeracanthus goujeti n. sp. (Acanthodii) from the Lower Devonian of Spain and northwest France, with special reference to spine histology

FIG. 9. — Scales of Machaeracanthus goujeti n. sp., Lower Devonian, Iberian Chain: A, B, element MGUV-15.075, Nogueras Fm, section Ni-2 (NI), in crown (A) and basal (B) views; C, D, element MGUV-15.077, Nogueras Fm., section Ni-2 (NI) in crown (C) and rostral (D) views; E, F, element MGUV-15.078, Nogueras Fm, section Ni-2 (NI), in crown (E) and rostral (F) views; G, element MPZ 2010/949, lateral view, Nogueras Fm., section Bco. Sur Sto. Domingo (ADRC); H, element MGUV-15.079, Nogueras Fm., section Bco. Sur Sto. Domingo (ADRC), basal view; I, element MGUV-15.080, Nogueras Fm., section Poyales-East (ADRC), crown view; J, element MGUV-15.082, Nogueras Fm., section Poyales-East (ADRC), crown view; K, element MGUV-15.081, Nogueras Fm., section Bco. Sur Sto. Domingo (ADRC), rostral view; L, element MGUV-15.076, Nogueras Fm, section Ni-2 (NI), anterior crown view. Scale bars: A-H, L, 500 μm; I-K, 250 μm.