Acteonellidae

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Acteonellidae

Acteonellidae is an extinct family of gastropods, also known as sea-snail like mollusks. They lived in ancient oceans and are part of Lower Heterobranchia, an early group of mollusks. They belong to the superfamily Acteonoidea.

Taxonomy
- Kingdom: Animalia
- Phylum: Mollusca
- Class: Gastropoda
- Clade: Heterobranchia (Lower Heterobranchia)
- Superfamily: Acteonoidea
- Family: Acteonellidae (Gill, 1871)

Subfamilies and genera
- Acteonellinae
- Acteonella (d’Orbigny, 1843) — type genus
- Trochactaeon (Meek, 1863)
- Cylindrobullininae (Wenz, 1938)
- Itieriinae (Cossmann, 1896)

Notes
- This family is known from fossils; there are no living members today.
- It follows the taxonomy framework used by Bouchet & Rocroi (2005) for Lower Heterobranchia.