TY  - BOOK
AU  - Sowerby,George Brettingham
TI  - Thesaurus Conchyliorum, or Monographs of genera of shells Monographs of the genera Natica London: Sowerby, Bloomsbury, 1883 + R.Michael Dixon: Analytical Checklist 1984
PY  - 1984///
PB  - Backhuys W.
ER  -