The gastropods, commonly known as snails and slugs, belong to a large taxonomic class of invertebrates within the phylum Mollusca called Gastropoda.
The operculum is a corneous or calcareous anatomical structure like a trapdoor that exists in many groups of sea snails and freshwater snails, and also in a few groups of land snails; the structure is found in some marine and freshwater gastropods, and in a minority of terrestrial gastropods, including the families Helicinidae, Cyclophoridae, Aciculidae, Maizaniidae, Pomatiidae, etc.
The sawback angelshark is an angelshark of the family Squatinidae
Cystiscidae is a taxonomic family of minute sea snails, marine gastropod mollusks or micromollusks.
Crepidula, commonly known as the slipper snails, slipper limpets, or slipper shells, is a genus of sea snails, marine gastropod mollusks in the family Calyptraeidae. This family includes the slipper snails (Crepidula), hat snails (Calyptraea), spiny slipper snails (Bostrycapulus), and cup-and-saucer snails (Crucibulum) as well as Crepipatella, Siphopatella, Grandicrepidula, and Maoricrypta.
Pleurotomella aculeata is a species of sea snail, a marine gastropod mollusk in the family Raphitomidae.
Nepotilla aculeata is a species of sea snail, a marine gastropod mollusk in the family Raphitomidae.
Asperdaphne is a genus of sea snails, marine gastropod mollusks in the family Raphitomidae.
Nepotilla is a genus of sea snails, marine gastropod mollusks in the family Raphitomidae.
Guildfordia aculeata, common name the aculeate star turban, is a species of sea snail, a marine gastropod mollusk in the family Turbinidae, the turban snails.
Guildfordia is a genus of sea snails, marine gastropod mollusks in the family Turbinidae, the turban snails.
Babelomurex cariniferus, common name Babel's latiaxis, is a species of sea snail, a marine gastropod mollusc in the family Muricidae, the murex snails or rock snails.
Calyptraea, commonly known as the Chinese hat snails is a genus of sea snails, marine gastropod mollusks in the family Calyptraeidae, a family which contains the slipper snails or slipper limpets, cup-and-saucer snails, and Chinese hat snails.
Acanthocardia is a genus of saltwater clams, marine bivalve molluscs in the family Cardiidae. Like most other bivalves, these mollusks are suspension feeders. This genus is present from the Upper Oligocene to the Recent.
Angaria aculeata is a species of sea snail, a marine gastropod mollusk in the family Angariidae.
Acanthocardia tuberculata, the rough cockle, is a species of saltwater clam, a cockle, a marine bivalve mollusc in the family Cardiidae. The genus Acanthocardia is present from the Upper Oligocene to the Recent.
Acanthocardia spinosa, the sand cockle, is a species of saltwater clams, marine bivalve molluscs in the family Cardiidae. The genus Acanthocardia is present from the Upper Oligocene to the Recent.
Dosinia exoleta, common name the rayed artemis, is a saltwater clam, a marine bivalve mollusc in the family Veneridae, the venus clams.
Thordisa aculeata is a species of sea slug, a dorid nudibranch, shell-less marine opisthobranch gastropod molluscs in the family Discodorididae.
Acanthocardia echinata, the prickly cockle or European prickly cockle, is a species of saltwater clam, marine bivalve molluscs in the family Cardiidae. The genus Acanthocardia is present from the Upper Oligocene to the Recent.
