Siphonops Wagler, 1828

Wilkinson, Mark, Mauro, Diego San, Sherratt, Emma & Gower, David J., 2011, A nine-family classification of caecilians (Amphibia: Gymnophiona), Zootaxa 2874, pp. 41-64 : 57

7. Siphonops Wagler, 1828

Type species: Caecilia annulata Mikan, 1820 ( Fig. 9 ) by original monotypy.

Diagnosis: The only siphonopids with the tentacles closer to the eyes than to the nares, no secondary annuli or scales, no diastemata between vomerine and palatine teeth series, and eyes not under bone. Distribution: Argentina, Brazil, Colombia, Ecuador, Guyana, Peru, Paraguay, Venezuela. Content: Five species ( annulatus , hardyi , insulanus , leucoderus , paulensis ).

Figures

FIGURE 9. Volume reconstruction of HRXCT data showing skull of Siphonops annulatus (BMNH 2005.9). Views as in Fig. 2. Scale bar = 1 mm. Scan parameters: a molybdenum target set at 110 kV and 160 μA; scan data were collected at 2.8 frames per second over 3142 projections in 360 ˚; reconstructed voxel size of 11 μm. Abbreviations as in Appendix.