Molecular Biology and Genetics

Molecular Biology

Statistics of barcoding coverage

Barcode of Life Data Systems (BOLD) Stats
                                        
Specimen Records:134Public Records:86
Specimens with Sequences:90Public Species:14
Specimens with Barcodes:88Public BINs:29
Species:34         
Species With Barcodes:15         
          
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Barcode data

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Locations of barcode samples

Collection Sites: world map showing specimen collection locations for Assimineidae

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Wikipedia

Assimineidae

Assimineidae is a family of minute snails with an operculum that live in saltwater, freshwater or on the land; they are mostly aquatic gastropod mollusks or micromollusks, in the clade Littorinimorpha.

Distribution[edit]

The distribution of the Assimineidae is worldwide.[1]

Ecology[edit]

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

Description[edit]

The shell is small to medium large, more or less egg-conelike shaped.[1] The apertural margin is simple.[1] The operculum is in most cases horny.[1]

They are characterized by rudimentary cephalic tentacles, a trunklike snout, a foot with a groove and rudimentary to absent ctenidium (a comb-like respiratory apparatus).[3]

Taxonomy[edit]

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

  • Subfamily Assimineinae 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[edit]

Genera in the family Assimineidae include:[4][5][6]

subfamily Assimineinae

subfamily Ekadantinae

subfamily Omphalotropidinae

subfamily ?

incertae sedis

References[edit]

This article incorporates public domain text from the reference.[1]

  1. ^ a b c d e f "Family summary for Assimineidae". AnimalBase, last change 15-08-2006, accessed 4 August 2010.
  2. ^ Strong E. E., Gargominy O., 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.
  3. ^ Abbott, R.T. (1958). "The gastropod genus Assiminea in the Philippines". Proceedings of the Academy of Natural Sciences of Philadelphia 110: 213–278. 
  4. ^ "Assimineidae". Integrated Taxonomic Information System. 
  5. ^ Ingentaconnect
  6. ^ ZipCodeZoo
  7. ^ 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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