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Taxonomy
Venus rudis was named by Poli (1795). It is extant.
It was recombined as Cytherea rudis by Wood (1850); it was recombined as Pitar (Pitar) rudis by Hendy (2007).
It was recombined as Cytherea rudis by Wood (1850); it was recombined as Pitar (Pitar) rudis by Hendy (2007).
Sister species lacking formal opinion data
P. aldrichi, P. californiana, P. cosanguineus, P. matheroni, P. megacostata, P. nuttalliopsis, P. obliquata, P. poulsoni, P. protena, P. ripleyanus, P. sciena, P. sculpturata, P. semeliformis, P. soledadensis, P. stantoni, P. subnasuta, P. subpellucidum, P. swedani, P. thompsoni, P. turneri, P. turneri, P. kavranensis, P. striata