Rhytididae is a taxonomic family of medium-sized predatory air-breathing land snails, carnivorous terrestrial pulmonate gastropod molluscs in the superfamily Rhytidoidea.
Tonna tankervillii is a very large species of sea snail or tun snail, a marine gastropod mollusc in the family Tonnidae, the tun shells.
Rhytida oconnori is a species of medium-sized, air-breathing land snail, a terrestrial pulmonate gastropod mollusc in the family Rhytididae. It is found in a few places in the north of the South Island in New Zealand.
Tonna cumingi, common name Cuming's tun, is a species of very large sea snail, a tun snail, a marine gastropod mollusc in the family Tonnidae, the tuns.
Alcithoe arabica, common name Arabic volute, is a species of very large sea snail, a marine gastropod mollusc in the family Volutidae, the volutes.
Ellatrivia merces is a species of small sea snail, a marine gastropod mollusc in the family Triviidae, the trivias.
Kerguelenella lateralis is a species of air-breathing sea snail or false limpet, a marine pulmonate gastropod mollusc in the family Siphonariidae, the false limpets.
Tonna is a genus of large sea snails, marine gastropod molluscs in the family Tonnidae, the tun or cask shells.
Tonna tetracotula is a species of very large sea snail or tun snail, a marine gastropod mollusc in the family Tonnidae, the tun shells.
Tonna melanostoma is a species of large sea snail, a marine gastropod mollusc in the family Tonnidae, the tun shells.
Tonna perdix, common name the partridge tun, is a species of very large sea snail, a marine gastropod mollusc in the family Tonnidae, the tun shells.
Zeidora maoria is a species of small sea snail, specifically a keyhole limpet, a marine gastropod mollusc in the family Fissurellidae, the keyhole limpets.
Stiracolpus ahiparanus, common name : the keeled screw shell, is a species of small sea snail, a marine gastropod mollusc in the family Turritellidae.
Lodderena formosa is a minute sea snail or micromollusc, a marine gastropod mollusc in the family Skeneidae.
Glaphyrina plicata is a species of large sea snail, a marine gastropod mollusc in the family Fasciolariidae.
Annaperenna verrucosa, common name the warty ranella, is a species of large sea snail, a marine gastropod mollusc in the family Bursidae, known as the frog shells.
Maoricrypta monoxyla is a species of small sea snail or slipper snail, a marine gastropod mollusc in the family of Calyptraeidae. This species is found in New Zealand. It can grow to a length of 30mm with a width of 25mm.
Micrelenchus is a genus of small sea snails that have shells with pearly interiors and an operculum. They are marine gastropod molluscs in the subfamily Cantharidinae of the family Trochidae, the top snails or top shells.
Tonna lischkeana is a species of large sea snail, a marine gastropod mollusk in the family Tonnidae, the tun shells.
