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Marginelliform animal type3 9.jpg
Drawing of a typical animal in this subfamily
Scientific classification e
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
Subclass: Caenogastropoda
Order: Neogastropoda
Family: Cystiscidae
Subfamily: Cystiscinae
Stimpson, 1865

Cystiscinae are a taxonomic subfamily of minute sea snails. These are marine gastropod mollusks or micromollusks in the family Cystiscidae, and the clade Neogastropoda.


Shell minute to small, white; spire immersed to low; surface smooth or axially costate; lip thickened, smooth or denticulate; external varix absent; siphonal notch absent; posterior notch absent; columella multiplicate, with combined total of usually 2 to 8 plications plus parietal lirae; internal whorls cystiscid type. Animal mantle smooth, at least partially extending over external shell surface. Internal anatomy unknown.


Genera within the subfamily Cystiscinae are as follows:[1]

Comparative shell structure of three genera[edit]


  1. ^ MolluscaBase (2018). "Cystiscinae Stimpson, 1865". WoRMS. World Register of Marine Species. Retrieved 4 January 2019.
  2. ^ Jousseaume, F.P. (1894). "Diagnoses des coquilles de nouveaux mollusques". Bulletin de la Société Philomathique de Paris. 8 (6): 98–105. Retrieved 4 July 2020.
  3. ^ a b Ortea, J.; Espinosa, J. (2001). "Intelcystiscus e Inbiocystiscus (Mollusca: Neogastrópoda: Cystiscidae) dos nuevos géneros del Atlántico occidental tropical". Avicennia. 14: 107–114.
  4. ^ Landau, Bernard Manue; Marques da Silva, Carlos; Heitz, Antoine (2016). "Systematics of the lower-middle Miocene Cantaure Formation, Paraguaná Peninsula, Venezuela". Bulletins of American Paleontology. 389–391: 1–581.
  • Espinosa, J. and J. Ortea 2002. Nuevas especies de margineliformes de Cuba, Bahamas y el Mar Caribe de Costa Rica Avicennia 15:101-128.
  • Ortea, J. y J. Espinosa 2001. Intelcystiscus e Inbiocystiscus (Mollusca: Neogastrópoda: Cystiscidae) dos nuevos géneros del Atlántico occidental tropical. Avicennia 14 107-114.