Tagasi otsingusse
Ebbestad, 1998

Multiple attempted predation in the Middle Ordovician gastropod Bucania gracillima

Ebbestad, J. O. R.
DOI
DOI10.1080/11035899801201027
Aasta1998
KirjastusInforma UK Limited
AjakiriGFF
Köide120
Number1
Leheküljed27-33
Tüüpartikkel ajakirjas
Keelinglise
Id7198

Abstrakt

Repaired shell injuries, resulting from multiple non-lethal predatory attacks are reported in the bellerophontid gastropod Bucania gracillima Koken, 1896, from the upper Middle Ordovician of Sweden. The described specimen shows four distinct, ontogenetically separate, attacks on the body whorl, each of which resulted in shell breakage and subsequent shell repair. All but one of the attacks are concentrated along the dorsal emargination, with large portions of the shell being removed in the three major episodes of breakage. Iregular growth of the dorsal carina and on the lateral areas associated with the attacks. shows that the mantle itself was damaged. The predator, however, is unknown.

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