Discula

Discula
Discula polymorpha shell
Scientific classification
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Gastropoda
Order:	Stylommatophora
Family:	Geomitridae
Genus:	Discula R. T. Lowe, 1852 [1]

Discula is a genus of small land snails, terrestrial pulmonate gastropod mollusks in the family Geomitridae. ^{[2] [3]}

Shell description

The shell of these snails is shaped rather like a discus, or a lens, with a sharp edge around the periphery of the whorls.

Species

Species in the genus Discula include:

• Discula attrita
• Discula bulverii
• Discula calcigena
• Discula cheiranthicola
• Discula cockerelli
• Discula leacockiana
• Discula lyelliana
• Discula polymorpha
• Discula pulvinata
• Discula rotula
• Discula tabellata
• Discula tectiformis
• Discula tetrica

synonyms:

• Discula bicarinata is a synonym for Hystricella bicarinata (Sowerby, 1824) ^[4]
• Discula echinulata is a synonym for Hystricella echinulata ^[5]
• Discula oxytropis is a synonym for Wollastonaria oxytropis ^[6]
• Discula testudinalis is a synonym for Testudodiscula testudinalis
• Discula turricula is a synonym for Hystricella turricula (R. T. Lowe, 1831) ^[7]

Note

The name Discula is ambiguous and also refers to a genus of fungi in the family Valsaceae to which belongs the plant pathogen dogwood anthracnose Discula destructiva .

References

1. Lowe R. T. (1852). Ann. Mag. nat. Hist. (2)9: 116.
2. Razkin, Oihana; Gómez-Moliner, Benjamín Juán; Prieto, Carlos Enrique; Martínez-Ortí, Alberto; Arrébola, José Ramón; Muñoz, Benito; Chueca, Luis Javier; Madeira, María José (February 2015). "Molecular phylogeny of the western Palaearctic Helicoidea (Gastropoda, Stylommatophora)". Molecular Phylogenetics and Evolution. 83: 99–117. doi:10.1016/j.ympev.2014.11.014. ISSN   1055-7903. PMID   25485783.
3. Discula R. T. Lowe, 1852 . Retrieved through: World Register of Marine Species  on 19 December 2018.
4. Seddon, M.B. (2011). "Hystricella bicarinata". IUCN Red List of Threatened Species . 2011 e.T6724A12800659. doi: 10.2305/IUCN.UK.2011-1.RLTS.T6724A12800659.en . Retrieved 18 November 2021.
5. Neiber, M.T.; De Mattia, W.; Groh, K. (2018). "Hystricella echinulata". IUCN Red List of Threatened Species . 2018 e.T6727A122351869. doi: 10.2305/IUCN.UK.2018-1.RLTS.T6727A122351869.en . Retrieved 18 November 2021.
6. Seddon, M.B. (2011). "Wollastonaria oxytropis". IUCN Red List of Threatened Species . 2011 e.T6728A12801442. doi: 10.2305/IUCN.UK.2011-1.RLTS.T6728A12801442.en . Retrieved 18 November 2021.
7. Seddon, M.B. (2011). "Wollastonaria turricula". IUCN Red List of Threatened Species . 2011 e.T6723A12800477. doi: 10.2305/IUCN.UK.2011-1.RLTS.T6723A12800477.en . Retrieved 18 November 2021.

Further reading

• Cook L. M.; Pettitt C. W. A. (1979). "Shell form in Discula polymorpha". Journal of Molluscan Studies. 45 (1): 45–51. doi:10.1093/oxfordjournals.mollus.a065483.
• Robert A.D. Cameron; Laurence M. Cook; Glenn A. Goodfriend; Mary B. Seddon (2006). "Fossil land snail faunas of Porto Santo, Madeiran archipelago: change and stasis in Pleistocene to Recent Times". Malacologia. 49 (1): 25–59. doi:10.4002/1543-8120-49.1.25.