| Otostephanos cf macrantennus, whirling specimen; dorsoventral view, with focus on the mastax (2) |
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| Otostephanos cf macrantennus, whirling specimen; ventral view. The arrowheads point to a distinct structure on the ventral side the 1st neck pseudo-segment which seems to be dentated, which is in contrast to Otostephanos monteti. (1) |
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| Otostephanos cf macrantennus, whirling specimen; dorsoventral view, with focus on the mastax (2) dorsal view; the arrowheads point to the characteristic long dorsal antenna. |
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| Otostephanos cf macrantennus, whirling specimen; dorsoventral view, with focus on the mastax (2) ventral view, (2) |
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| Otostephanos cf macrantennus, specimen with retracted corona. (2) |
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| Otostephanos cf macrantennus, attached specimen, foot with 3 toes and triangle-shaped spurs. In contrast to Otostephanos monteti there is no interspace beween spurs. |
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| Otostephanos cf macrantennus, ramate trophi, dental formula (DF) 9/9. (1) |
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| Location: Gevelsberg, Schulzentrum, "Grünes Klasssenzimmer; pond (1); (2) |
| Habitat: Periphyton / detritus |
| Date: 19.08.2005 (1); 19.09.2005 (2) |
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