Tanytarsus curvicristatus species group

Members: Tanytarsus curvicristatus Contreras-Lichtenberg, 1988, Tanytarsus pseudocurvicristatus Trivinho-Strixino, Wiedenbrug et da Silva, 2015, Tanytarsus germani sp. nov., Tanytarsus gnomon sp. nov.

Diagnosis. Hypopygial anal point with crests short but broad, rounded, crescent (curved) or flake-shaped. Two bars present on anal point: anterior bar smaller, posteriorly directed, simple, cone-shaped or in a form of bunch of spines; posterior bar larger, anteriorly directed, apically enlarged and/or split into projections turned up dorsally or dorsolaterally; spinulae absent. Superior volsella extensive at base, with distinctly narrower posteromedian corner resulting in concave median margin. Digitus short, not extending beyond median margin of superior volsella, or vestigial.