FIGURE 4 in Microlepidogaster discus, a new species of Hypoptopomatinae (Siluriformes: Loricariidae) from the rio Jequitinhonha basin, southeastern Brazil

FIGURE 4. First epibranchial in ventral view (left side). (a) Microlepidogaster discus, paratype, DZSJRP 19493, 41.7 mm SL, male, showing the accessory process; (b) Microlepidogaster perforatus, DZSJRP 16171, 30.6 mm SL, female. Dark gray indicates cartilage. Scale bars = 0.5 mm