Cyphoderus

Identification key for Cyphoderus species in Brazil

1 Mucro with at most 3 teeth............................................................................. 2

- Mucro with 8 or more teeth............................................................... C. caetetus sp. nov.

2 Mucro with 2 or 3 teeth, unguis normal, tip not inflated, inner teeth normal...................................... 3

- Mucro without teeth or one small apical tooth, unguis tip inflated, 2 or 3 filamentous inner teeth...................................................................................................... C. inomminatus Mills, 1938

3 Mucro with 2 apical teeth, no tooth at the lateral inner lamella................................................. 4

- Mucro with 2 apical teeth and one subapical tooth at the lateral inner lamella, unguis with 1 or 2 teeth................................................................................................... C. arlei Cassagnau, 1963,

4 Unguis with at least 1 apical inner tooth.................................................................... 5

- Unguis without apical inner tooth...................................................... C. agnotus Börner 1906

5 Unguis with one apical inner tooth..................................................... C. javanus Börner, 1906

- Unguis with two apical inner teeth..................................................... C. similis Folsom, 1927