Fernando, M. Shells of the Sri Lanka seashore including some mangrove and brackish-water forms - Ministry of Environment Colombo 2009 - 168p. - Seashells Sri Lanka Mangroves Brackish-water forms Cowries Rock shells Horn shells Oysters = Fernando, M. Standard No.: M Standard Tech. Report. No.: LCCN: B Nat. Bib. No.: 7152 Nat. Bib. Agency Control No.: 594.1 (548.7) Subjects--Topical Terms: Biological Sciences Universal Decimal Class. No.: 594.1 (548.7)