basis of recordCollin R. & Rolán E. (2010) <i>Bostrycapulus heteropoma</i> n. sp. and <i>Bostrycapulus tegulicius</i> (Gastropoda: Calyptraeidae) from western Africa. <i>The Veliger</i> 51: 8-14. [Volume for 2008 and running head dated 2008; published 31 March 2010], available online athttp://striweb.si.edu/publications/PDFs/STRI-W_Collin_2008_Rolan.pdf[details]