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IRMNG source details
Type Ammonites, 7, pt
174157
Publication
Date action by
Kreterostephanus Buckman, 1927 † (original description)
Maceratites Buckman, 1928 † (original description) Phaulostephanus Buckman, 1927 † (original description) Spatulites Buckman, 1928 † (original description) |
