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For each discriminant
, McMullen constructed the Prym–Teichmüller curves
, which constitute one of the few known infinite families of geometrically primitive Teichmüller curves. In the present paper, we determine for each
the number and type of orbifold points on
. These results, together with a previous result of the two authors in the genus
case and with results of Lanneau–Nguyen and Möller, complete the topological characterisation of all Prym–Teichmüller curves and determine their genus. The study of orbifold points relies on the analysis of intersections of
with certain families of genus
curves with extra automorphisms. As a side product of this study, we give an explicit construction of such families and describe their Prym–Torelli images, which turn out to be isomorphic to certain products of elliptic curves. We also give a geometric description of the flat surfaces associated to these families and describe the asymptotics of the genus of
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