期刊
PALEONTOLOGICAL JOURNAL
卷 48, 期 1, 页码 17-25出版社
PLEIADES PUBLISHING INC
DOI: 10.1134/S0031030114010092
关键词
Cambrian mollusks; morphology; shell muscles; microstructure
类别
资金
- Program of the Presidium of the Russian Academy of Sciences
- President of the Russian Federation [NSh-5401.2012.4]
- Russian Foundation for Basic Researches [13-05-00632, 13-04-00322]
Zones with peculiar microornamentation interpreted as muscle scars were found on the internal molds of the Early Cambrian gastropod genus Bemella Missarzhevsky, 1969 (family Helcionellidae). Shell muscles of helcionellids are reconstructed based on the topographic pattern of muscle scars, i.e., the pedal, cephalic, and mantle retractors are recognized. The reconstruction proposed here of the shell musculature corroborates affinity between ancient gastropod and helcionelloid mollusks.
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