Gastropoda - Tonnoidea - Ranellidae

Alternative combination: Triton armatum

Synonyms: Siphonalia matthewsi Ihering 1914, Siphonalia nodosocincta Ihering 1907, Tritonium bicegoi Ihering 1899

Belongs to Sassia according to A. G. Beu 2010

Sister taxa: Charonia (Sassia) danica, Sassia (Cymatiella), Sassia (Personella), Sassia apenninica, Sassia carlea, Sassia carmenensis, Sassia indica, Sassia kampyla, Sassia leucostomoides, Sassia lewisi, Sassia morgani, Sassia nucleoides, Sassia parvula, Sassia philomelae, Sassia tatei, Sassia warreni, Austrosassia annectans, Austrosassia tortirostris, Austrosassia abbotti, Austrosassia crassicostatus

Type specimens:

• Sassia armata: MNHN Gg2001/21, a shell
• Siphonalia matthewsi:
• Siphonalia nodosocincta:
• Tritonium bicegoi:

Average measurements (in mm): shell 65.1 x 40.2