Planitrochidae
# Planitrochidae

Planitrochidae is an extinct family of fossil sea snails, Paleozoic gastropod mollusks.

This family has no subfamilies.

## Genera

Genera within the family Planotrochidae include:

* Horologium
* Nematrochus
* Perneritrochus
* Planotrochus, the type genus
* Trochomphalus
