title: Colloniidae
text: # Colloniidae
  
  Colloniidae is a family of small sea snails with calcareous opercula, marine gastropod mollusks in the clade Vetigastropoda.
  
  ## Taxonomy
  
  ### 2005 taxonomy
  
  Colloniidae was listed as subfamily Colloniinae within the family Turbinidae within Turbinoidea according to the taxonomy of the Gastropoda by Bouchet & Rocroi, 2005.
  
  This taxon consists of four following tribes (according to the taxonomy of the Gastropoda by Bouchet & Rocroi, 2005):
  
  * Colloniinae Cossmann, 1917
     * tribe Colloniini Cossmann, 1917 - synonym: Bothropomatinae Thiele, 1924 (inv.); Homalopomatinae Keen, 1960; Petropomatinae Cox, 1960
     * tribe † Adeorbisinini Monari, Conti & szabo, 1995
     * tribe † Crossostomatini Cox, 1960
     * tribe † Helicocryptini Cox, 1960
  
  ### 2008 taxonomy
  
  Colloniidae was elevated to family level and (together with Phasianellidae) belongs to superfamily Phasianelloidea according to Williams et al. (2008). McLean (2012) added two more subfamilies Liotipomatinae and Moelleriinae.
  
  ### 2017 taxonomy
  
  In 2017 Colloniidae was classified in the order Trochida.
  
  It contains the following subfamilies:
  
  * † Crossostomatinae Cox, 1960
  * Colloniinae
  * † Lewisiellinae Gründel, 2008
  * Liotipomatinae
  * Moelleriinae
  * Petropomatinae
  
  ## Genera
  
  Genera in the family Colloniidae include:
  
  ### Subfamily Colloniinae Cossmann, 1917
  
  * Anadema H. & A. Adams, 1854
  * Argalista Iredale, 1915
  * Bothropoma Thiele, 1924
  * Cantrainea Jeffreys, 1883
  * Collonia Gray, 1850
  * Collonista Iredale, 1918
  * Emiliotia Faber, 2006
  * Homalopoma Carpenter, 1864
  * Leptocollonia Powell, 1951
  * Leptothyra Pease, 1869
  
  ### Subfamily Liotipomatinae McLean, 2012
  
  * Depressipoma McLean, 2012
  * Liotipoma McLean & Kiel, 2007
  * Paraliotipoma McLean, 2012
  * Rhombipoma McLean, 2012
  
  ### Subfamily Moelleriinae Hickman & McLean, 1990
  
  * Moelleria Jeffreys, 1865
  * Spiromoelleria Baxter & McLean, 1984
  
  ### Genera brought into synonymy
  
  * Neocollonia Kuroda & Habe, 1954: synonym of Bothropoma Thiele, 1924
  * Thermocollonia Okutani & Fujikura, 1990: synonym of Cantrainea Jeffreys, 1883
  