FIGURE 5 in Redescription and expansion of the geographic distribution of Phenacorhamdia nigrolineata (Siluriformes: Heptapteridae)

FIGURE 5 | Lateral view of caudal vertebrae of Phenacorhamdia nigrolineata, MCP 53512, 40.0 mm SL: A. Hemal spines bifids between vertebrae 24 and 32 (arrows) associated with pterygiophores of the anal fin; B. Posterior vertebrae and caudal skeleton. Abbreviations: EPU, epural; HU1+HU2, ventral hypural plate formed by coossification of hypurals 1 and 2; HU3+HU4, dorsal hypural plate formed by co-ossification of hypurals 3 and 4; HU5, dorsal hypural plate 5; PH, parhypural; PU1+U1, complex centrum composed of preural centrum 1 and ural centrum 1; UR, uroneral. Scale bars = 1 mm.