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The phylogeny (evolutionary "family tree") of molluscs is a controversial subject. In addition to the debates about whether Kimberella and any of the " halwaxiids " were molluscs or closely related to molluscs, [ 5 ] [ 6 ] [ 8 ] [ 9 ] debates arise about the relationships between the classes of living molluscs. [ 7 ]
Pleurotomariidae, common name the "slit snails", is a family of large marine gastropods in the superfamily Pleurotomarioidea of the subclass Vetigastropoda. [1] This family is a very ancient lineage; there were numerous species in the geological past.
Helicidae is a large, diverse family of western Palaearctic, medium to large-sized, air-breathing land snails, sometimes called the "typical snails."It includes some of the largest European land snails, several species are common in anthropogenic habitats, and some became invasive on other continents.
All species of tree-snail in Hawaii are believed to have come from a single ancestral snail. How that ancestral snail made the 3,800 kilometres (2,400 mi) trip across the ocean is unknown. A longstanding theory is that a bird carried a notably smaller ancestor across the ocean and dropped it on the islands, as bird mediated dispersal has been ...
Otala lactea, known as the milk snail or Spanish snail, is a large, edible [3] species of air-breathing land snail, a terrestrial pulmonate gastropod mollusk, in the family Helicidae, the typical snails. [4] Archaeological recovery at the Ancient Roman site of Volubilis, in Morocco, illustrates prehistoric exploitation of O. lactea by humans. [5]
The family Epitoniidae belongs to the superfamily Epitonioidea. Since 2017 this family also includes the former families Janthinidae (the pelagic purple snails) and Nystiellidae, all part of the informal group Ptenoglossa. [2] Epitoniidae is a rather large family, with an estimated number of species about 630. [3]
A snail farm near Eyragues, Provence, France. Heliciculture, commonly known as snail farming, is the process of raising edible land snails, primarily for human consumption or cosmetic use. [1] The meat and snail eggs a.k.a. white caviar can be consumed as escargot and as a type of caviar, respectively. [2]
Neohelix albolabris is a species of air-breathing land snail, a terrestrial pulmonate gastropod mollusc in the family Polygyridae. Alternate names for Neohelix albolabris are Helix albolabris and Triodopsis albolabris. It is the first land snail to be named by an American-born naturalist, Thomas Say in 1817.