Charales is an order of freshwater green algae in the division Charophyta, class Charophyceae, commonly known as stoneworts. Depending on the treatment of the genus Nitellopsis, living (extant) species are placed into either one family (Characeae) or two. Further families are used for fossil members of the order. Linnaeus established the genus Chara in 1753.
Odostomia is the most speciose genus of minute sea snails, pyramidellid gastropod mollusks. This genus is placed in the family Pyramidellidae in the subfamily Odostomiinae. There are several hundred species in this diverse genus
Tritia reticulata, common name the "netted dog whelk", is a species of small European sea snail, a marine gastropod mollusc in the family Nassariidae, the dog whelks or nassa mud snails.
Petricola is a genus of saltwater clams, marine bivalve molluscs in the subfamily Petricolinae of the family Veneridae, the Venus clams.
Bela nebula is a species of sea snail, a marine gastropod mollusk in the family Mangeliidae. It is the type species of the genus Bela.
Raphitoma horrida is a species of sea snail, a marine gastropod mollusk in the family Raphitomidae.
Choristella nofronii is a species of sea snail, a marine gastropod mollusk in the family Choristellidae.
Drilliola is a genus of sea snails, marine gastropod mollusks in the family Borsoniidae, the cone snails and their allies.
Demoulia obtusata, common name : the obtuse demoulia, is a species of sea snail, a marine gastropod mollusk in the family Nassariidae, the Nassa mud snails or dog whelks.
Tritia incrassata, common name the thick-lipped dogwhelk, is a species of small sea snail, a marine gastropod mollusk in the family Nassariidae, the Nassa mud snails or dog whelks.
Emarginula sicula is a species of sea snail, a marine gastropod mollusk in the family Fissurellidae, the keyhole limpets.
Calliostoma zizyphinum, common name the European painted top shell, is a species of sea snail, a marine gastropod mollusk in the family Calliostomatidae.
Latiromitra cryptodon is a species of sea snail, a marine gastropod mollusk in the family Costellariidae.
Cerithidium is a genus of sea snails, marine gastropod mollusks in the family Cerithiidae.
Euspira fusca, common name the dark necklace shell, is a species of predatory sea snail, a marine gastropod mollusk in the family Naticidae, the moon snails.
Rissoa parva is a species of minute sea snail, a marine gastropod mollusc or micromollusc in the family Rissoidae.
Cerithiopsis tubercularis is a species of sea snail, a gastropod in the family Cerithiopsidae, It was described by Montagu, in 1803.
Odostomia turrita is a species of sea snail, a marine gastropod mollusc in the family Pyramidellidae, the pyrams and their allies.
Pholas is a taxonomic genus of marine bivalve molluscs in the subfamily Pholadinae of the family Pholadidae.
Calliotropis mogadorensis is a species of sea snail, a marine gastropod mollusk in the family Eucyclidae.
