Altitatiayus rotundatus (Boileau, 1902), new combination

(Figs. 4, 10)

Sclerostomus rotundatus Boileau 1902: 43 (description and illustration); Lüderwaldt 1935: 530 (monograph); Blackwelder 1944: 197 (checklist); Didier & Séguy 1953: 166 (796) (erroneously as Pycnosiphorus); Weinreich 1958: 285; Benesh 1960: 36 (catalog); Mizunuma & Nagai 1994: 281 (plate 117, plate 496-1, 3, 4); Krajcik 2001: 19 (catalog); Krajcik 2003: 166 (catalog).

Sclerognathus rotundatus: van Roon 1910: 45.

Sclerognathus zikani Ohaus 1929: 158; Didier 1931: 174 (synonymy); Lüderwaldt 1935: 531 ( Sclerostomus); Benesh 1960: 36 ( Sclerostomus).

Sclerostomus (Altitatiayus) rotundatus: Weinreich 1960: 78 (revision and illustrations); Maes 1992: 51 (catalog); Grossi & Racca-Filho 2004: 4 (key).