FIGURE 3. Telmatobius atacamensis buccal cavity, stage 36 in Larval anatomy of Andean tadpoles of Telmatobius (Anura: Ceratophryidae) from Northwestern Argentina

FIGURE 3. Telmatobius atacamensis buccal cavity, stage 36. (A) Buccal roof, (B) Buccal floor. bfa buccal floor arena, bfp buccal floor papilla, bp buccal pocket, bra buccal roof arena, brp buccal roof papilla, dv dorsal velum, gz glandular zone, ilp infralabial papilla, in internal nare, lp lingual papilla, lrp lateral ridge papilla, mr median ridge, mrp median ridge papilla, pna prenarial arena, pnp prenarial papilla, ptna postnarial arena, ptnp postnarial papilla, s spur, ta tongue anlage, vv ventral velum. Yellow lines show the two (roof) and three (floor) papilla arrangements. Scale line = 1 mm.