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By oilshale
Bristle worm living tube
Kingdom: Animalia
Eon: Phanerozoic
Era: Paleozoic
Period: Devonian
Sub Period: None
Epoch: Early
International Age: Emsian (early)
Hunsrück Slate Group
Kaub Formation
Acquired by: Purchase/Trade
Length: 3.5 cm
Eschenbach-Bocksberg Quarry
Bundenbach
Rheinland-Pfalz
Germany
This ichnofossil consists of an accumulation of tentaculites, probably of the genus Styliolina.
Dr. M. Poschmann (General Directory of Cultural Heritage Rhineland-Palatinate in Koblenz) mentioned in a personal communication that accumulations of tentaculites / styliolites from the Hunsrück Slate are known, also in the State Collection in Mainz such pieces are found. Tentaculite accumulations can occur in quite different forms, among them those which are probably to be interpreted as coprolites due to their shape and rather irregular arrangement.
Cylindrical assemblages of tentaculites / styliolines with orientation of the shells transverse to the long axis (as in this case) are also known and have been interpreted as agglutinated housing tubes of polychaetes worms.
At the University of Bonn a diploma thesis on this topic has been done in 2010 - unfortunately no results have been published until today.
Identified by Dr. M. Poschmann.
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