Classification of the genus Asteroptychius

G. †Asteroptychius Agassiz 1843
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Asteroptychius bellulus Saint John and Worthen 1875
Asteroptychius bellus Branson 1906
Asteroptychius elegans Newberry 1889
Asteroptychius gracilis Newberry 1897
Asteroptychius keokuk Saint John and Worthen 1875
Asteroptychius ornatus Agassiz 1843
Asteroptychius sanctiludovici Saint John and Worthen 1875
Asteroptychius tenellus Saint John and Worthen 1883
Asteroptychius tenuis Saint John and Worthen 1875
Asteroptychius triangularis Newberry and Worthen 1870
Asteroptychius vetustus Saint John and Worthen 1875