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Pyramidella teres 1.jpg
Apertural view of a shell of Tropaeas teres
Scientific classification
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
(unranked): clade Heterobranchia
clade Euthyneura
clade Panpulmonata
Superfamily: Pyramidelloidea
Family: Pyramidellidae
Genus: Tropaeas
Dall & Bartsch, 1904
Type species
Pyramidella subulata A. Adams, 1853
  • Elusa A. Adams, 1861 (Invalid: junior homonym of Elusa Walker, 1858 [Lepidoptera])

Tropaeas is a genus of sea snails, marine gastropod mollusks in the family Pyramidellidae, the pyrams and their allies.[1]

General description[edit]

The surface of the shell is marked by strong axial ribs. The intercostal spaces are spirally pitted. The early teleoconch whorls are sculptured differently from the later ones. The shell is umbilicated and contains two columellar folds.[2]


Species brought into synonymy
  • Tropaeas castaneus [sic] : synonym of Tropaeas castanea (A. Adams, 1863)
  • Tropaeas fortiplicata Nomura, 1936: synonym of Siogamaia fortiplicata (Nomura, 1936)
  • Tropaeas strigatula [sic] : synonym of Tropaeas strigulata (A. Adams, 1863)
  • Tropaeas strigillata [sic] : synonym of Tropaeas strigulata (A. Adams, 1863)
  • Tropaeas teres (A. Adams, 1861): synonym of Longchaeus turritus (A. Adams, 1854)

The Indo-Pacific Molluscan Database also includes the following species:[3]


External links[edit]