Trisha Shetty (Editor)

Pachychilidae

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Kingdom
  
Animalia

Phylum
  
Mollusca

Rank
  
Family

Superfamily
  
Cerithioidea

Higher classification
  
Sorbeoconcha

Pachychilidae PACHYCHILIDAE Faunus ater PERIO ID589184 Shell Detail Shell

Lower classifications
  
Tylomelania, Brotia pagodula

Pachychilidae, common name pachychilids, is a taxonomic family of freshwater snails, gastropod molluscs in the clade Sorbeoconcha.

Contents

Distribution

Pachychilidae Maria I Gmez Systematics phylogeny and biogeography of

Pachychilids are freshwater snails with a worldwide distribution in the tropics. Representatives are found in South and Central America, Africa, Madagascar, South and South-east Asia and tropical Australia (Queensland: Torres Strait Islands).

Description

Pachychilids have an operculum, which is concentric and multispiral.

Ecology

Pachychilidae The genus Potadoma Pachychilidae modes of conchyological

All species in the family inhabit freshwater except Faunus ater, which is a brackish water snail found in estuaries and other coastal habitats. Pachychilids are either oviparous (lay eggs), ovoviviparous or viviparous (retain developing eggs and youngs in special incubatory structures).

Genera

Genera within the family Pachychilidae include:

Pachychilidae httpsuploadwikimediaorgwikipediacommonsthu

  • † Bellatara Strand, 1928 - with only one species Bellatara janus (Mayer, 1870)
  • Brotia H. Adams, 1866
  • Doryssa Swainson, 1840
  • † Eginea Pacaud & Harzhauser, 2012
  • Faunus de Montfort, 1810 with the only species Faunus ater (Linnaeus, 1758)
  • Jagora Köhler & Glaubrecht, 2003
  • † Jponsia Pacaud & Harzhauser, 2012
  • Madagasikara Köhler & Glaubrecht, 2010 - synonym: Melanatria Bowdich, 1822 auctt.
  • † Nodifaunus Olsson, 1944
  • Pachychilus I. Lea & H. C. Lea, 1851 - type genus of the family Pachychilidae
  • Paracrostoma Cossmann, 1900
  • Potadoma Swainson, 1840
  • † Pseudobellardia Cox, 1931
  • Pseudopotamis Martens, 1894
  • Sulcospira Troschel, 1858 - synonym: Adamietta Brandt, 1974
  • † Tinnyea Hantken, 1887
  • Tylomelania Sarasin & Sarasin, 1897
  • † Wingeastonia K. Martin, 1906
    • Genera brought into synonymy

  • Acrostoma Brot, 1871: synonym of Paracrostoma Cossmann, 1900
  • Antimelania P. Fischer & Crosse, 1892: synonym of Brotia H. Adams, 1866
  • Brotella Rovereto, 1899: synonym of Paracrostoma Cossmann, 1900
  • Fauninae Cossmann, 1909 (subfamily) : synonym of Pachychilidae P. Fischer & Crosse, 1892
  • Melanatria Bowdich, 1822: synonym of Faunus Montfort, 1810
  • Oxymelania Crosse & P. Fischer, 1892: synonym of Pachychilus I. Lea & H. C. Lea, 1851
  • Pirena Lamarck, 1822: synonym of Faunus Montfort, 1810
  • Sphaeromelania Rovereto, 1899: synonym of Pachychilus I. Lea & H. C. Lea, 1851
  • Wanga Chen, 1943: synonym of Brotia H. Adams, 1866

    • Cladogram

    A cladogram based on sequences of mitochondrial 16S ribosomal RNA sequences showing phylogenic relations of Pachychilidae:

    Pachychilidae PACHYCHILIDAE Shells For Sale Conchology Inc

    Pachychilidae PACHYCHILIDAE Shells For Sale Conchology Inc

    References

    Pachychilidae Wikipedia
    (Text) CC BY-SA