Seguenzioidea

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Superfamily of gastropods

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

::summary Superfamily of gastropods ::

| fossil_range = | image = Perrinia concinna 003.jpg | image_caption = An apertural view of a shell of Perrinia concinna (family Chilodontidae) | taxon = Seguenzioidea | authority = Verrill, 1884 | synonyms_ref = | synonyms = | type_genus = | subdivision_ranks = Families | subdivision = See text

Seguenzioidea is a superfamily of sea snails, marine gastropod mollusks in the clade Vetigastropoda.{{cite journal |author1=Bouchet, P. |author2=Rocroi, J.-P. |name-list-style=amp | year = 2005 | title = Classification and Nomenclator of Gastropod Families | journal = Malacologia | volume =47 | issue = 1–2

Description

::figure[src="https://upload.wikimedia.org/wikipedia/commons/c/cc/Three_live_Chilodontaidae_gastropods.jpg" caption="Three Seguenziid gastropods"] ::

The distinctive characteristics of the shells of the Seguenzioidea are:

Taxonomy

Seguenzioidea was placed in part or in whole previously to 1979 either in the Archaeogastropoda near the superfamily Trochoidea or in the Caenogastropoda near the superfamily Stromboidea. In 1987 Salvini-Plawén and Haszprunar changed its status to the suborder Seguenziina, based on the radular formula that they considered to be intermediate between "rhipidoglossate" and "taenioglossate". At about the same time in 1987 Goryachev elevated the superfamily to ordinal status Seguenziiformes in the superorder Littorinimorpha, based on the taenioglossal radula.

2005 taxonomy

2005 taxonomy according to Bouchet & Rocroi, 2005. (Families that are exclusively fossil are indicated with a dagger †.) :Superfamily Seguenzioidea ::Family Seguenziidae ::Family Chilodontaidae ::† Family Eucyclidae ::† Family Laubellidae

2007–2009 taxonomy

Kano et al. (2009) elevated the subfamily Calliotropinae to the family level as the Calliotropidae, and the subfamily Cataeginae to family level as the Cataegidae.

The superfamily Seguenzioidea consists of six families:

References

References

  1. (2008). "Phylogeny and evolution of the Mollusca". University of California Press.
  2. Gofas, S. (2010). Seguenzioidea. In: Bouchet, P.; Gofas, S.; Rosenberg, G. (2010) World Marine Mollusca database. Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=224565 on 2011-01-09
  3. (May 2018)
  4. Quin 1983. "A revision of the Seguenziacea Verrill, 1884 (Gastropoda: Prosobranchia). I. Summary and evaluation of the superfamily". ''Proc. BioI. Soc. Wash.'' 96(4): 725-757.
  5. Salvini-Plawén and G. Haszprunar. 1987. ''The Vetigastropoda and the systematics of streptoneurous gastropods (Mollusca)''. J. Zool. (London) A211: 747-770
  6. Goryachev, 1987. Ob'em i polozhenie semeistva Seguenziidae (Mollusca, Gastropoda, Seguenziidae) v klasse bryukhonogikh mollyuskov. [''The volume and the position of the family Seguenziidae (Mollusca, Gastropoda, Seguenziidae) in the gastropod class'']. Pages 21–23 in Va. I. Starobogatov, A. N. Golikov, and 1. M. Likharev, eds. Molluscs. Results and perspectives of investigation. Abstracts of communications. Zoological Institute, Akademiya Nauk SSSR, Leningrad.
  7. Kano Y., Chikyu E. & Warén A. (2009) "Morphological, ecological and molecular characterization of the enigmatic planispiral snail genus ''[[Adeuomphalus]]'' (Vetigastropoda: Seguenzioidea)". ''Journal of Molluscan Studies'' '''75''': 397-418. {{doi. 10.1093/mollus/eyp037.
  8. [http://www.marinespecies.org/aphia.php?p=taxdetails&id=224565 WoRMS : Seguenzioidea; accessed : 1 October 2010]

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