Fig. 5 in A new species of Copionodon representing a relictual occurrence of the Copionodontinae (Siluriformes: Trichomycteridae), with a CT-scan imaging survey of key subfamilial features

Fig. 5. Copionodon exotatos, paratype, MZUSP 121656, basibranchials and hypobranchials, dorsal view. Grey areas represent cartilage. Abbreviations: BB2-4, basibranchials 2 to 4; HB1-3, hypobranchials 1 to 3. Scale bar = 1 mm.