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Did ammonoids possess opercula? Reassessment of phosphatised soft tissues inGlaphyritesfrom the Carboniferous of Uruguay
Lehmann, Jens, Klug, Christian, Wild, FerdinandVolume:
89
Journal:
Paläontologische Zeitschrift
DOI:
10.1007/s12542-013-0219-8
Date:
March, 2015
File:
PDF, 3.41 MB
2015