Planitrochidae Explained

Planitrochidae is an extinct family of fossil sea snails, Paleozoic gastropod mollusks.^[1]

This family has no subfamilies.

Genera

Genera within the family Planotrochidae include:

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

References

• Paleobiology database info

Notes and References

1. Bouchet, P. . Rocroi, J.-P. . amp . 2005 . Classification and Nomenclator of Gastropod Families . Malacologia . 47 . 1–2 .