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Traits source details
Cooper, G. A.; Williams, J. S. (1935). Tully formation of New York. Geological Society of America Bulletin. 46: 781-868.
472779
Cooper, G. A.; Williams, J. S.
1935
Tully formation of New York
Geological Society of America Bulletin
46: 781-868
Publication
Date action by
Echinocoelia Cooper & Williams, 1935 † (original description)
Echinocoelia ambocoelioides Cooper & Williams, 1935 † (original description) Echinocoelia incurva Cooper & Williams, 1935 † (original description) Rhipidothyris Cooper & Williams, 1935 † (original description) Rhipidothyris plicata Cooper & Williams, 1935 † (original description) |