basis of record
Coovert, G. A.; Coovert, H. K. (1995). Revision of the supraspecific classification of marginelliform gastropods. <em>The Nautilus.</em> 109(2-3): 43-100., available online at http://biodiversitylibrary.org/page/8274195
page(s): 73 [details]
additional source
McCleery T. & Wakefield A. (2007). A review of the enigmatic genus <i>Canalispira</i> Jousseaume, 1875 (Gastropoda: Cystiscidae) with the description of three new species from the western Atlantic. <em>Novapex.</em> 8(1): 1-10., available online at https://biodiversitylibrary.org/page/42353273 [details]
From editor or global species database