''Alvania craticula'' is an extinct

species A species () is often defined as the largest group of organisms in which any two individuals of the appropriate sexes or mating types can produce fertile offspring, typically by sexual reproduction. It is the basic unit of Taxonomy (biology), ...

of minute

sea snail Sea snails are slow-moving marine (ocean), marine gastropod Mollusca, molluscs, usually with visible external shells, such as whelk or abalone. They share the Taxonomic classification, taxonomic class Gastropoda with slugs, which are distinguishe ...

, a marine

gastropod Gastropods (), commonly known as slugs and snails, belong to a large Taxonomy (biology), taxonomic class of invertebrates within the phylum Mollusca called Gastropoda (). This class comprises snails and slugs from saltwater, freshwater, and fro ...

mollusk Mollusca is a phylum of protostomic invertebrate animals, whose members are known as molluscs or mollusks (). Around 76,000 extant species of molluscs are recognized, making it the second-largest animal phylum after Arthropoda. The ...

micromollusk A micromollusc is a shelled mollusc which is extremely small, even at full adult size. The word is usually, but not exclusively, applied to marine molluscs, although in addition, numerous species of land snails and freshwater molluscs also ...

in the

family Family (from ) is a Social group, group of people related either by consanguinity (by recognized birth) or Affinity (law), affinity (by marriage or other relationship). It forms the basis for social order. Ideally, families offer predictabili ...

Rissoidae Rissoidae is a large family of sea snails. Members of the Rissoidae are very small in size and possess an operculum. Distribution and habitat Rissoidae are found worldwide. They live on sandy or gravel bottoms among algae or marine plants. Th ...

. MolluscaBase eds. (2024). MolluscaBase. Alvania craticula (Briart & Cornet, 1887) †. Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=871502 on 2024-02-11

Distribution

Fossils were found in the

Danian The Danian is the oldest age or lowest stage of the Paleocene Epoch or Series, of the Paleogene Period or System, and of the Cenozoic Era or Erathem. The beginning of the Danian (and the end of the preceding Maastrichtian) is at the Cretac ...

strata (

Paleocene The Paleocene ( ), or Palaeocene, is a geological epoch (geology), epoch that lasted from about 66 to 56 mya (unit), million years ago (mya). It is the first epoch of the Paleogene Period (geology), Period in the modern Cenozoic Era (geology), ...

) near

Mons, Belgium Mons (; German and , ; Walloon language, Walloon and ) is a City status in Belgium, city and Municipalities of Belgium, municipality of Wallonia, and the capital of the Hainaut Province, province of Hainaut, Belgium. Mons was made into a fortifi ...

References

* Kowalke, T. (2002). Systematic revision of Palaeocene brackish water Gastropoda from Mons, Belgium, based on their early ontogenetic shells. Bulletin de l'Institut royal des Sciences naturelles de Belgique Sciences de la Terre. 72: 111–134.

External links

Briart, A. & Cornet, F. L. (1887). Description des fossiles du Calcaire grossier de Mons. Gastéropodes. 4e partie. Mémoires de l'Académie Royale des Sciences, des Lettres et des Beaux-Arts de Belgique. 47: 1-128

Glibert M. (1973). Révision des Gastropoda du Danien et du Montien de la Belgique. I. Les Gastropoda du Calcaire de Mons. Institut Royal des Sciences Naturelles de Belgique, Mémoire. 173: 1-116
craticula Gastropods described in 1887 {{paleo-gastropod-stub