Trypanaxidae
Trypanaxidae is an extinct family of fossil sea snails, marine gastropod molluscs in the superfamily Campaniloidea.
According to the taxonomy of the Gastropoda by Bouchet & Rocroi (2005), the family Trypanaxidae has no subfamilies.
Genera
Genera within the family Trypanaxidae include:- † Trypanaxis Cossmann, 1889 - the type genus
- † Alocaxis Cossmann, 1889