General description:
to be added
Diagnostic description:
“The new species is related to Opisthostoma (Plectostoma) charasense Tomlin and O. (Pl.) laidlawi Sykes. From O. (Pl.) charasense it differs in the greater size, the narrower spire and the more numerous vertical ribs.” (Benthem-Jutting, 1961)
Taxonomic name:
