Figure 3 in A true caudal fin or not? New insights in the evolution of the gadiform caudal fin

Figure 3. Caudal fin development and variability in Lota lota, cleared and stained specimens. A, 20.3 mm total length (TL); B, 20.8 mm TL; C; 21.0 mm TL; D, 22.1 mm TL; E, 30.8 mm TL; F, 83.5 mm TL. Abbreviations: ha, haemal arch; hs, haemal spine; na, neural arch; nc, notochord; ns, neural spine; t, terminal centrum; x, terminal dorsal element; y, terminal ventral element; * indicates haemal and neural spines associated with terminal centrum 3.