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56 HVL 326
YODER, Robert L.
Tentaculites attenuatus Hall and T.bellulus Hall : a redescription and interpretation of these species as dimorphs / Robert L.Yoder and Bernd-D.Erdtmann. -- Tulsa : Society of Economic Paleontologists and Mineralogists, 1975. -- S.374-386, : obr. -- In: Journal of Paleontology, 1975, vol.49, no.2.. -- bibl.
Tentaculites - dimorphism
56
57644
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