Dendrodasys, Wilke, 1954, Wilke, 1954

Araújo, Thiago Quintão & Hochberg, Rick, 2025, First record and a new species of Dendrodasys (Gastrotricha: Macrodasyida: Dactylopodolidae) from Tobago Island, Zootaxa 5696 (3), pp. 398-408 : 405

Taxonomic identification key

1A No pestle organs...................................................................................... 2

1B Pestle organs present.................................................................................. 3

2A Head rounded............................................................................... D. pacificus

2B Head squircular (rounded square)................................................................ D. ponticus

3A One pair of pestle organs posterior to the triangular cephalic lobes.............................................. 4

3B Two pairs of pestle organs posterior to the triangular cephalic lobes...................................... D. duplus

4A Head crescent-shaped or triangular; pestle organs knob-like.................................................... 5

4A Head with rounded, flap-like lobes or crenulated lobes; pestle organs as pyriform or lobiform......................... 6

5A Head crescent-shaped; no small columnar tubes or horn-like organs on dorsal head; pharyngeal pores at neck constriction.......................................................................................... D. rubomarinus

5B Head triangular in shape with small columnar tubes at dorsoanterior margin; horn-like organs present dorsomedial to the cephalic lobes.............................................................. D. highwaytoheavenensis sp. nov.

6A Head with rounded, flap-like lobes only; lobiform pestle organs; ventral locomotory cilia in two columns........ D. affinis

6B Head with crenulated or rounded, flap-like lobes; pyriform pestle organs; ventral locomotory cilia in two columns..................................................................................................... D. gracilis