Lesueurillidae is an extinct
family
Family (from la, familia) is a Social group, group of people related either by consanguinity (by recognized birth) or Affinity (law), affinity (by marriage or other relationship). The purpose of the family is to maintain the well-being of its ...
of paleozoic molluscs (
gastropod
The gastropods (), commonly known as snails and slugs, belong to a large taxonomic class of invertebrates within the phylum Mollusca called Gastropoda ().
This class comprises snails and slugs from saltwater, from freshwater, and from land. T ...
s?)
with anisostrophically coiled shells of uncertain position (Gastropoda?) (according to the
taxonomy of the Gastropoda by Bouchet & Rocroi, 2005).
Taxonomy
The
taxonomy of the Gastropoda by Bouchet & Rocroi, 2005[Bouchet P. & Rocroi J.-P. (Ed.); Frýda J., Hausdorf B., Ponder W., Valdés Á. & Warén A. 2005. ''Classification and nomenclator of gastropod families''. Malacologia: International Journal of Malacology, 47(1-2). ConchBooks: Hackenheim, Germany. . ISSN 0076-2997. 397 pp. http://www.vliz.be/Vmdcdata/imis2/ref.php?refid=78278] categorizes Lesueurillidae in the superfamilia
Euomphaloidea
Euomphaloidea, originally Euomphalacea, is an extinct superfamily of marine molluscs that lived from the Early Ordovician to the Late Cretaceous, included in the Gastropoda Moore R. C., Lalicker & Fischer (1952). ''Invertebrate Fossils''. McGraw ...
within the
Paleozoic molluscs with anisostrophically coiled shells of uncertain position (Gastropoda?). This family has no subfamilies.
Genera
Genera in the family Lesueurillidae include
[''Lesueurillidae''. ]The Paleobiology Database
The Paleobiology Database is an online resource for information on the distribution and classification of fossil animals, plants, and microorganisms.
History
The Paleobiology Database (PBDB) originated in the NCEAS-funded Phanerozoic Marine Pale ...
, accessed 13 August 2009.
* ''
Eccyliopterus'' Remelé, 1888
** ''
Eccyliopterus abendanoni''
** ''
Eccyliopterus alatus'' (Roemer, 1876) - type species
** ''
Eccyliopterus corniculum''
** ''
Eccyliopterus declivis'' Koken, 1925 - synonym: ''Eccyliopterus spirillum''.
** ''
Eccyliopterus incresens''
** ''
Eccyliopterus ottawaensis''
** ''
Eccyliopterus owenanus''
** ''
Eccyliopterus regularis'' - synonym: ''Eccyliopterus princeps''.
** ''
Eccyliopterus replicata''
** ''
Eccyliopterus septiferus''
** ''
Eccyliopterus tolli''
** ''
Eccyliopterus vagrans''
* ''
Lesueurilla'' Koken, 1898 -
type genus of the family Lesueurillidae
** ''
Lesueurilla acutangulum''
** ''
Lesueurilla bohemica''
** ''
Lesueurilla beloitensis''
** ''
Lesueurilla dilatata''
** ''
Lesueurilla grandis''
** ''
Lesueurilla helix''
** ''
Lesueurilla infundibulum'' (Koken, 1896) - type species
** ''
Lesueurilla isabellaensis''
** ''
Lesueurilla kushanensis''
** ''
Lesueurilla louderbacki''
** ''
Lesueurilla magna''
** ''
Lesueurilla prima''
** ''
Lesueurilla shirakii''
** ''
Lesueurilla sinkiangensis''
* ''
Mestoronema''
P. J. Wagner, 2002
** ''
Mestoronema bipatellare'' Koken, 1925 - type species
** ''
Mestoronema marginalis'' (Koken, 1925)
** ''
Mestoronema scotica'' (Longstaff, 1924)
Description
Fossils of family Lesueurillidae has sharp peripheral band and a short notch formed from deep V-shaped sinus.
They are similar to ''
Maclurites'' but they differ in early
ontogenesis from them.
References
{{Taxonbar, from=Q6532046