''Aclis dialytospira'' 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
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 ...
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 ...
Eulimidae
Eulimidae is a family of very small parasitic sea snails, marine gastropod mollusks in the superfamily Vanikoroidea.
Description
These small parasitic snails live on (or in some cases in) the bodies of echinoderms such as sea cucumbers, se ...
.
[MolluscaBase eds. (2024). MolluscaBase. Aclis dialytospira de Boury, 1902 †. Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=1548354 on 2024-02-28]
This is a
taxon inquirendum
In biological classification, a ''species inquirenda'' is a species of doubtful identity requiring further investigation. The use of the term in English-language biological literature dates back to at least the early nineteenth century.
The ter ...
.
Description
The length of the shell attains 3 mm.
Distribution
Fossils of this species were found off
Hauteville, France.
References
External links
Cossmann M. & Pissarro G. (1902). Faune éocénique du Cotentin (Mollusques). 3e Article. Bulletin de la Société Géologique de Normandie. 21: 27-181MNHN, Paris: image
dialytospira
Gastropods described in 1902
{{paleo-gastropod-stub