Genus Collaripyxidia Zivkovic, 1975

Diagnosis: Shell tubular with an spined fundus, usually hyaline, covered with mineral grains, whilst the area around the aperture has a broad collar of smaller grains; in lateral view, the aperture is cut off obliquely, at an angle of 45°.

Habitat: Freshwater.

Remarks: Two species:

• Collaripyxidia stankovici Zivkovic, 1975
• Collaripyxidia dongtingiensis Balik & Song, 2000