Belongs within: Gymnophiona. The Caeciliidae are a pantropical group of caecilians in which a true tail is absent (Frost et al. 2006). Characters (from Frost et al. 2006): Tail absent; premaxillae and nasal bones fused; septomaxillae usually reduced or absent; pterygoid absent; basiptergygoid process usually large; fused third and fourth ceratobranchials greatly expanded; vent usually… Continue reading Caeciliidae