Early Devonian (Emsian) hyolith Ottomarites discors (Barrande, 1867) with colour pattern

 

Authors: Valent M, Malinky JM

Published in: Bulletin of Geosciences, volume 83, issue 4; pages: 503 - 506; Received 4 March 2008; Accepted in revised form 3 November 2008;

Keywords: Hyolitha, colour pattern, Devonian, Emsian, Prague Basin, Bohemia, Czech Republic,

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Abstract

Several specimens of the hyolith Ottomarites discors (Barrande, 1867) most probably from the Lower Devonian Daleje-Třebotov Formation, Suchomasty Limestone from Koněprusy, near Beroun (Prague Basin, Barrandian), exhibit distinct colouration on the venter of the conch and exterior of the operculum. These markings are developed as irregular brick-red concentric bands that follow the growth lines. Ottomarites discors is the only known hyolith that seems to retain its original colour pattern.

References

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