The Nautilus Log
Cymbium tritonis

Cymbium tritonis

NameCymbium tritonis
Scientific NameCymbium tritonis
Common NameTriton's Baler
FamilyVolutidae
GenusCymbium
Speciestritonis
Geographic DistributionEastern Atlantic Ocean, primarily off the coast of West Africa, from Mauritania to Angola.
Habitatsubtidal
Average Size (mm)Typically ranges from 150 mm to 300 mm in length, with some specimens exceeding this size.
Identifying FeaturesVery large, ovate, and relatively thin shell; extremely low or immersed spire; large, wide aperture; presence of several strong, oblique columellar folds (typically 3-4); smooth, glossy surface (though fine growth lines are visible); often covered by a thin, yellowish periostracum in living specimens.
Raritycommon
Author Citation(Broderip, 1830)

Description

A large, ovate marine gastropod shell, characterized by its smooth, glossy surface and very low spire. The shell is predominantly creamy white to pale yellowish-brown, often with subtle longitudinal streaks. It features a wide aperture and distinct columellar folds, typical of the Baler or Melon Shells.

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