Abstract:Shell repair is common in the late Silurian (Pridoli) encrusting tentaculitoid tubeworm Anticalyptraea calyptrata from Saaremaa, Estonia (Baltica), and is interpreted here as a result of failed predation. A. calyptrata has a shell repair frequency of 29 % (individuals with scars) with 17 specimens. There is probably an antipredatory adaptation, i.e. extremely thick vesicular walls, in the morphology of Silurian Anticalyptraea. The morphological and ecological evolution of Anticalyptraea could thus have been pa… Show more
Приведены общие данные о брахиоподах ринхонеллидах Estonirhynchia estonica из венлокских отложений о.Сааремаа (Эстония) и находках на их раковинах эпибионтов и следов жизнедеятельности сверлящих организмов.
Приведены общие данные о брахиоподах ринхонеллидах Estonirhynchia estonica из венлокских отложений о.Сааремаа (Эстония) и находках на их раковинах эпибионтов и следов жизнедеятельности сверлящих организмов.
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