Figure 4. Neurocranium, vertebrae, and fins: anterior portion of neurocranium, central and left portion, ventral view, of Papiliolebias bitteri (A); median portion of ventral part of neurocranium, left lateral view, of Plesiolebias filamentosus (B), and Maratecoara splendida (C); parasphenoid, ventral view, of Pa. bitteri (D); neurocranium, posterior part, and first two vertebrae, lateral view (ribs excluded), of Pl. filamentosus (E), and Ma. splendida (F); caudal skeleton (fin rays excluded), left lateral view, of Stenolebias damascenoi (G); anal-fin base, anterior portion, left lateral view, of Plesiolebias glaucopterus (H); left post-temporal and supracleithrum, lateral view, of Maratecoara formosa (I), Pa. bitteri (J), and Pterolebias longipinnis (K); left proximal radials of pectoral fin, lateral view, of Pituna poranga (L), and Maratecoara lacortei (M); pelvic bones, dorsal view, of Pituna obliquoseriata (N). Numbers in brackets are characters and character states numbered according to Appendix S2. Larger stippling indicates cartilage. Scale bars = 0.5 mm.