Rhachiglosa or Rhachiglossa: How To spell?

The word Rhachiglosa is misspelled against Rhachiglossa, a noun meaning "A division of marine gastropods having a retractile proboscis and three longitudinal rows of teeth on the radula. It includes many of the large ornamental shells, as the miters, murices, olives, purpuras, volutes, and whelks. See Illust. in Append."