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Vallon et al., 2020c

Move, burrow, feed – repeat! A compound trace fossil from the Solnhofen Plattenkalke possibly made by holothurians

Vallon, L. H., Rindsberg, A. K., Röper, M., Rothgaenger, M., Rothgaenger, K.
DOI
DOI10.1080/10420940.2020.1784159
Aasta2020
AjakiriIchnos
Köide27
Number3
Leheküljed307-316
Tüüpartikkel ajakirjas
Keelinglise
Id24014

Abstrakt

Bromlichnus bromleyi n.igen. n.isp., a compound trace fossil consisting of two segments representing dwelling and feeding, is described. Owing to a concentric spreite in a bow-shaped burrow, B. bromleyi is interpreted as made by holothurians. In most cases, it is connected to a repichnion. The new ichnotaxon derives from the narrow Pfalzpaint Subbasin of the Solnhofen archipelago (Upper Jurassic, SE Germany), interpreted as a tidal channel connecting two basins. The interrelationships of different behaviours reflected in compound trace fossils allow holistic analysis of the work of individual animals, enabling more accurate interpretation of tracemaker anatomy and function.

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