Button Snails (Umbonium vestiarium)
Changi, 8th January 2017

• A Preliminary Checklist of the Molluscs of Singapore
• NParks Flora & FaunaWeb
• Wild Fact Sheets
• The Tide Chaser: Top Shells (Phylum Mollusca: Family Trochidae) of Singapore
• OBIS Indo-Pacific Molluscan Database
• SeaLifeBase
• On the animal of Umbonium vestiarium
• The Living Marine Resources of the Western Central Pacific Volume 1

Giant Top Shell (Tectus niloticus)
Cyrene Reef, 26th December 2015

Although traditionally classified as a Top Shell (F. Trochidae), recent studies have shown that this species is actually more closely related to the Turban Snails (F. Turbinidae), and is now usually included in a separate family, Tegulidae.

• NParks Flora & Fauna Web
• The Digital Nature Archive of Singapore
• Wild Fact Sheets
• The Tidechaser: Turban Snails (Phylum Mollusca: Family Turbinidae) of Singapore
• OBIS Indo-Pacific Molluscan Database
• SeaLifeBase
• Marine Snails Seed Production and Restocking Enhancement Basic Manual
• The Living Marine Resources of the Western Central Pacific Volume 1
• Effects of poaching on Topshell Tectus niloticus population of Tubbataha Reefs Natural Park, Palawan, Philippines

Button Snails (Umbonium vestiarium)
Tanah Merah, 18th August 2014

• NParks Flora&FaunaWeb
• The Digital Nature Archive of Singapore
• A Preliminary Checklist of the Molluscs of Singapore
• Wild Fact Sheets
• The Tide Chaser: Top Shells (Phylum Mollusca: Family Trochidae) of Singapore
• OBIS Indo-Pacific Molluscan Database
• SeaLifeBase
• On the animal of Umbonium vestiarium
• The Living Marine Resources of the Western Central Pacific Volume 1