Taxonomical remarks
Diagnosis, incl appendages: Newman, Ross 1971: 58; extended dignosis, : Young et al, 1999: 30 - 31.
Newman, Ross (1971:60) noted that T. darwinii belongs to the A. michelottianum group outlined by Pilsbry, 1907 b. See also Young, 1998 on classification of large species of Trianguloscalpellum.
Taxonomic name: