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21 December 2015 A New Tubeworm of Possible Serpulid Affinity from the Permian of Sicily
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Abstract

A new tubeworm, Palaeotubus sosiensis gen. et sp. nov., is described from the Permian Pietra di Salomone limestone (Sosio Valley, W Sicily). The new species is characterized by a thick tube ornamented with slightly flared peristomes and numerous longitudinal keels. The internal structure of the tube was obliterated during diagenesis, which prevents the tube unequivocal systematic attribution. Nevertheless, all preserved morphological characters strongly suggest that the new tube belongs to serpulids. When confirmed by further findings, the positive attribution of this new species to serpulids will imply that it represents the ancestor of the Serpulidae, and the earliest evidence of calcareous tubeworm polychaetes from the Palaeozoic.

© 2016 R. Sanfilippo et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License (for details please see http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.
Rossana Sanfilippo, Agatino Reitano, Gianni Insacco, and Antonietta Rosso "A New Tubeworm of Possible Serpulid Affinity from the Permian of Sicily," Acta Palaeontologica Polonica 61(3), (21 December 2015). https://doi.org/10.4202/app.00209.2015
Received: 29 September 2015; Accepted: 1 December 2015; Published: 21 December 2015
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