Assimineidae

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Family of gastropods

title: "Assimineidae" type: doc version: 1 created: 2026-02-28 author: "Wikipedia contributors" status: active scope: public tags: ["assimineidae"] description: "Family of gastropods" topic_path: "general/assimineidae" source: "https://en.wikipedia.org/wiki/Assimineidae" license: "CC BY-SA 4.0" wikipedia_page_id: 0 wikipedia_revision_id: 0

::summary Family of gastropods ::

| taxon = Assimineidae |fossil_range = |image = Assiminea grayana-Nl2.jpg |image_caption = Apertural view of a shell of Assiminea grayana |authority =H. Adams & A. Adams, 1856 |subdivision_ranks = Subfamilies |subdivision =

  • Assimineinae
  • Ekadantinae
  • Omphalotropidinae | diversity_ref = | diversity_link = #Taxonomy | diversity = About 20 freshwater species and numerous amphibious terrestrial/marine species | synonyms_ref = | synonyms =
  • Omphalotropidinae Thiele, 1927· accepted, alternate representation
  • Thaanumellinae Clench, 1946

Assimineidae is a family of small snails, also known as palmleaf snails, with an operculum, gastropod mollusks or micromollusks in the superfamily Truncatelloidea. Many of these very small snails live in intermediate habitats, being amphibious between saltwater and land; others live in freshwater.

Distribution

The distribution of the Assimineidae is worldwide. The oldest fossils are known from the Cenomanian aged Burmese amber.

Ecology

Various species in this family occur in estuarine habitats, in salt marshes and in freshwater. Some are terrestrial or amphibious.

Description

The shell is small to medium large, more or less egg-conelike shaped. The apertural margin is simple. The operculum is in most cases horny.

Species in this family are characterized by rudimentary cephalic tentacles, a trunklike snout, a foot with a groove and rudimentary to absent ctenidium (a comb-like respiratory apparatus).

Taxonomy

The following three subfamilies were recognized in the taxonomy of Bouchet & Rocroi (2005):

  • Subfamily Assimineidae H. Adams & A. Adams, 1856 - synonym: Synceratidae Bartsch, 1920
  • Subfamily Ekadantinae Thiele, 1929 - synonyms: Paludinellidae Kobelt, 1878 (n.a.); Cyclotropidae Iredale, 1941
  • Subfamily Omphalotropidinae Thiele, 1927 - Realiinae L. Pfeiffer, 1853 (inv.); Adelomorphinae Kobelt, 1906 (inv.); Garrettiinae Kobelt, 1906; Pseudocyclotini Thiele, 1929; Thaanumellinae Clench, 1946; Tutuilanidae Hubendick, 1952

Genera

Genera in the family Assimineidae include:

Genus † Laternoides W. Yu & Y.-H. Xi, 1977

subfamily Assimineinae

subfamily Ekadantinae

subfamily Omphalotropidinae Thiele, 1927 (synonym: Garrettiinae Kobelt, 1906)

;incertae sedis:

  • Assimineidae incertae sedis vulgaris Webster, 1905
  • Assimineidae incertae sedis turrita (W. H. Turton, 1932) (taxon inquirendum)
  • Assimineidae incertae sedis turritella (W. H. Turton, 1932) (taxon inquirendum)

;Synonyms:

  • Adelomorpha Tapparone Canefri, 1886: synonym of Pseudocyclotus Thiele, 1894 (Invalid: Junior homonym of Adelomorpha Snellen, 1885 [Lepidoptera])
  • Adelostoma E. A. Smith, 1885: synonym of Pseudocyclotus Thiele, 1894 (invalid: junior homonym of Adelostoma Duponchel, 1827)
  • Assemania Dollfus, 1912: synonym of Assiminea J. Fleming, 1828 (unjustified emendation)
  • Assimania: synonym of Assiminea J. Fleming, 1828 (incorrect spelling of genus name)
  • Assiminella Monterosato, 1906: synonym of Paludinella L. Pfeiffer, 1841 (unnecessary substitute name for Paludinella L. Pfeiffer, 1841)
  • Assiminia J. Fleming, 1828: synonym of Assiminea J. Fleming, 1828 (alternative original spelling [used in the index p. 557])
  • Diadema Pease, 1868: synonym of Garrettia Paetel, 1873 (invalid: junior homonym of Diadema Gray, 1825)
  • Dramelia Iredale, 1941: synonym of Acmella W. T. Blanford, 1869 (junior synonym)
  • Heteropoma Möllendorff, 1894: synonym of Allepithema Tomlin, 1931 (invalid: junior homonym of Heteropoma Benson, 1856; Allepithema is a replacement name)
  • Paludinassiminea Matsubayashi & Habe, 1990: synonym of Solenomphala Heude, 1882 (unavailable name: no type species designated)
  • Tribe Pseudocyclotini Thiele, 1929: synonym of Omphalotropidinae Thiele, 1927
  • Scalinella Pease, 1868: synonym of Omphalotropis L. Pfeiffer, 1851
  • Stenotropis Kobelt & Möllendorff, 1898: synonym of Omphalotropis (Stenotropis) Kobelt & Möllendorff, 1898 represented as Omphalotropis L. Pfeiffer, 1851
  • Syncera Gray, 1821 (nomen nudum)

References

This article incorporates public domain text from the reference.

References

  1. Strong E. E., Gargominy O., [[Winston Ponder. Ponder W. F.]] & Bouchet P. (2008). "Global Diversity of Gastropods (Gastropoda; Mollusca) in Freshwater". ''[[Hydrobiologia]]'' 595: 149-166. {{hdl. 10088/7390 {{doi. 10.1007/s10750-007-9012-6.
  2. [http://www.animalbase.uni-goettingen.de/zooweb/servlet/AnimalBase/home/family?id=110 "Family summary for Assimineidae"]. [[AnimalBase]], last change 15-08-2006, accessed 4 August 2010.
  3. (March 2020). "Diverse new tropical land snail species from mid-Cretaceous Burmese amber (Mollusca: Gastropoda: Cyclophoroidea, Assimineidae)". Cretaceous Research.
  4. Abbott, R.T.. (1958). "The gastropod genus ''Assiminea'' in the Philippines". Proceedings of the Academy of Natural Sciences of Philadelphia.
  5. {{ITIS
  6. [http://www.ingentaconnect.com/content/oup/mollus/2006/00000072/00000001/art00039 Ingentaconnect]
  7. [http://zipcodezoo.com/Key/Assimineidae_Family.asp ZipCodeZoo] {{webarchive. link. (February 10, 2012)
  8. Rosenberg, G. (2012). Assimineidae incertae sedis vulgaris. Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=598622 on 2012-05-31

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assimineidae