Dentalium octangulatum

Drawings by Nasser Al Zayani (2017)

Family: Dentaliidae

Species: Dentalium octangulatum

Description: As the name suggests this particular ‘tusk’ shell when viewed in section usually has eight sides, although nine sided variations have been found in Bahrain. The shell is curved, normally in a rather irregular or crooked manner. Fine lines run along each section. The colour is normally white but can also be found coloured a light orange to brown. Typical size: L 40-50mm, larger opening 4-5 mm, smaller opening 2 mm

Information Source: Bahrain First National Report to the CBD (2006), Bahrain Seashells (1994)