Otostephanos torquatus amoenus Milne 1913
Otostephanos torquatus; ventral view, whirling. The rings around the trochal pedicels are clearly visible (arrowheads).
Otostephanos torquatus; ventral view, whirling. Focal plane on the lower lip. Between the wheel pedicels a distinct ligule is visible.
Otostephanos torquatus; dorsal view, whirling. The upper lip is undivided.
Otostephanos torquatus; upper left image: trophi with dental formula 6/6 or more; upper right:crop of the above image, head with upper lip. Lower images: two aspects of the foot with granulated spurs and 3 toes.
Otostephanos torquatus; lateral view of the head region showing the dorsal antenna which is relative small compared to O. monteti.
Otostephanos torquatus; two aspects of the whirling head, frontal view, different focal planes. The upper image shows the rostrum and the tip of the short dorsal antenna as well. The rostrum seems to contain two tube-like structures (arrowheads)(2).
Otostephanos torquatus; two aspects of the head of a specimen from (3). Left: focus plane on the upper lip and the rostrum; right: the arrowhead points to a small ligula between the trochal discs.
Location: Anhausen, Bavaria, bridge (1); Gloer water-reservoir, EN-district, dam-wall (2). Location: Hagen, Germany, garden, sandstone bird bath (3).
Habitat: dry moss on concrete, high sun exposition (1,2), together with Pleuretra lineata and Philodina vorax (1); together with Pleuretra lineata (2). Detritus (3)
Date: coll. 29.09.2013 (img: 5.10.2013)(1); 11.10.2013(2) ; 04.03.2016 (3)
Identification by courtesy of Nataliia Iakovenko, University of Ostrava, Czech republic.
freshwater life
marine life