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The relationships of the enigmatic neogastropod Loxotaphrus (Cancellariidae)
Modica, M.V.; Verhecken, A.; Oliverio, M. (2011). The relationships of the enigmatic neogastropod Loxotaphrus (Cancellariidae). N.Z. J. Geol. Geophys. 54(1): 115-124. dx.doi.org/10.1080/00288306.2011.537610
In: New Zealand journal of geology and geophysics. Dept. of Scientific and Industrial Research: Wellington, N.Z.. ISSN 0028-8306, more
Peer reviewed article  

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Keyword
    Marine
Author keywords
    anatomy; Cancellariidae; Loxotaphrus; molecular systematics;Neogastropoda; phylogeny; Plesiotritoninae

Authors  Top 
  • Modica, M.V.
  • Verhecken, A., more
  • Oliverio, M.

Abstract
    The relationships of Loxotaphrus Harris, 1897 within Neogastropoda are discussed based on anatomical and DNA data. Sequences from 12S and 16S rDNA confirm Beu & Maxwell's placement of Loxotaphrus in the Cancellariidae, closer to Plesiotritoninae than to Cancellariinae. The nematoglossan radula of Loxotaphrus deshayesii and L. rosadoi and the elongated and spirally convoluted valve of Leiblein observed in L. deshayesii support a plesiotritonine affinity. Peculiar anatomical features include acinous rather than tubular salivary glands, accessory salivary glands fused along their posterior third and a mid-oesophageal gland placed anteriorly to the nerve ring.

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