Tessarithys, Hoffman, 1990

Bouzan, Rodrigo S., Pena-Barbosa, João Paulo P. & Brescovit, Antonio D., 2017, Two new Brazilian species of Chelodesmidae of the genera Iguazus and Tessarithys (Diplopoda: Polydesmida), Zoologia (e 19986) 34, pp. 1-8 : 6

Key to Tessarithys males

1 Prefemoral process: terminal section consisting of a single branch .............................................................................. 2

1’ Prefemoral process: terminal section consisting of two branches ........................................................................... 3

2 Presence of small denticles beyond the base of the subterminal dorsal branch of prefemoral process ( Hoffman 1990: fig. 9).................................................... T. soledadinus

2’ Base of subterminal dorsal process of prefemoral process smooth ( Hoffman 1990: fig. 7) ...................... T. neoecobius

3 Subterminal dorsal branch pointing upward ( Fig. 4) ........ ................................................................... T. exacuminatus

3’ Subterminal dorsal branch pointing downward ( Hoffman 1990: fig. 8)............................................ T. machaerophorus