Orthalicoidea

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Orthalicoidea
A large orthalicid from eastern Peru (probably of genus
Sultana
), recovering from substantial shell damage.
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
Subclass: Heterobranchia
Superorder: Eupulmonata
Order: Stylommatophora
Suborder: Helicina
Superfamily: Orthalicoidea
Albers, 1860
Families

See text

Diversity[1]
~1750 taxon names are available

The Orthalicoidea are a

mollusks in the infraorder Orthalicoidei of the suborder Helicina[2]

Distribution

The Orthalicoidea is a dominant faunal element in the

Neotropics, but also has a number of genera with a Gondwanan distribution.[1]

Taxonomy

2005 taxonomy

This taxonomy, as accepted by Bouchet & Rocroi, was based on the study by Nordsieck, published in 1986,[3] and the classification as formulated by Schileyko in 1999.[4] However Bouchet & Rocroi diverged from this classification in uniting the families Bulimulidae and Orthalacidae. They also considered the family Placostylidae as a distinct family from Orthalicidae, and the family Coelociontidae a distinct family from Urocoptidae. However, the position of the families Megaspiridae and Grangerellidae is doubtful.[5]

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

2008 taxonomy

Uit de Weerd moved two families

molecular phylogeny research in 2008.[6]

2009 taxonomy

Family

Prestonellidae van Bruggen, 1978 - A study by Herbert and Mitchell, published in 2009, places this enigmatic family, of which the phylogenetic relationships were previously unknown, in the Gondwanan superfamily Orthalicoidea,[7] while it was previously tentatively placed as a synonym of Aillyidae.[5]

2010 taxonomy

Breure et al. (2010)

Placostylidae and they elevated Bulimulinae to Bulimulidae, Odontostomini to Odontostomidae, Amphibuliminae to Amphibulimidae.[8] They also removed Coelociontidae from Orthalicoidea.[8]

2012 taxonomy

Breure & Romero (2012)[9] confirmed previous results from 2010, additionally they elevated Simpulopsini to Simpulopsidae, renamed Placostylidae to Bothriembryontidae.[9] Therefore, there are recognized seven extant[9] families and one extinct[5] family within Orthalicoidea:

References

This article incorporates CC-BY-3.0 text from the reference[1]

  1. ^
    doi:10.3897/zookeys.101.1133
    .
  2. ^ MolluscaBase eds. (2021). MolluscaBase. Simpulopsidae Schileyko, 1999. Accessed through: World Register of Marine Species at: http://www.marinespecies.org/aphia.php?p=taxdetails&id=870047 on 2021-02-05
  3. ^ Nordsieck H. (1986). "The system of the Stylommatophora (Gastropoda), with special regard to the systematic position of the Clausiliidae, II. Importance of the shell and distribution". Archiv für Molluskenkunde. 117 (1–3): 93–116.
  4. ^ Schileyko A. A. (1998–2003). "Treatise on recent terrestrial pulmonate molluscs". Ruthenica. suppl. 2: 1–1626.
  5. ^
    ISSN 0076-2997
    .
  6. doi:10.1093/mollus/eyn023
    .
  7. doi:10.1111/j.1095-8312.2008.01109.x
    .
  8. ^ a b c Breure A. S. H., Groenenberg D. S. J. & Schilthuizen M. (2010). "New insights in the phylogenetic relations within the Orthalicoidea (Gastropoda, Stylommatophora) based on 28S sequence data". Basteria 74(1-3): 25-31.
  9. ^
    doi:10.1127/arch.moll/1869-0963/141/001-020
    .

Further reading

  • Borrero F. J. & Breure A. S. H. (Submitted). "The Orthalicoidea (Mollusca: Gastropoda: Stylommatophora) from Colombia and adjacent areas: a review of taxonomy and biogeography. 1. Dryptus Albers, 1860 and Plekocheilus Guilding, 1828".
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