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†Bethacanthus Zangerl 1990
urn:lsid:organismnames.com:name:819768
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†Bethacanthus Zangerl 1990
Zangerl 1990. Two new stethacanthid sharks (Stethacanthidae, Symmoriida) from the Pennsylvanian of Indiana, U.S.A. Palaeontographica Abteilung A Palaeozoologie-Stratigraphie, 213(1-6) 1990: 115-141