MolluscaBase name details
original description
Sowerby, G. B. II. (1862). Monograph of the genus <i>Macrochisma</i>. In G. B. Sowerby II (ed.), <i>Thesaurus conchyliorum, or monographs of genera of shells</i>. Vol. 3 (21): 205–206, pls 244. London, privately published. , available online at https://www.biodiversitylibrary.org/page/15940632 [details]
basis of record
Adams, A. (1851). A monograph of <i>Macrochisma</i>, a genus of gasteropodous Mollusca belonging to the family Fissurellidae. <em>Proceedings of the Zoological Society of London.</em> (1850) 18: 202–203., available online at https://www.biodiversitylibrary.org/page/59278724 [details]