Superregnum: Eukaryota
Cladus: Unikonta
Cladus: Opisthokonta
Cladus: Holozoa
Regnum: Animalia
Subregnum: Eumetazoa
Cladus: Bilateria
Cladus: Nephrozoa
Cladus: Protostomia
Cladus: Spiralia
Cladus: Lophotrochozoa
Phylum: Mollusca
Classis: Gastropoda
Subclassis: Heterobranchia
Infraclassis: Euthyneura
Cohors: Tectipleura
Subcohors: Panpulmonata
SuperOrdo: Eupulmonata
Ordo: Stylommatophora
SubOrdo: Helicina
Superfamilia Incertae sedis: Punctoidea
Familia: Helicodiscidae
Genus: Helicodiscus
Subgenera (2): Hebetodiscus – Helicodiscus
Overview of species (23)
H. aldrichianus – H. barri – H. bonamicus – H. diadema – H. eigenmanni – H. enneodon – H. fimbriatus – H. hadenoecus – H. hexodon – H. inermis – H. lirellus – H. multidens – H. notius – H. nummus – H. parallelus – H. punctatellus – H. riparbellii – H. salmonaceus – H. saludensis – H. shimeki – H. singleyanus – H. tridens – H. triodus
[source: Catalogue of Life: 2012 Annual Checklist, plus (1) H. riparbellii
]
Name
Helicodiscus Morse, 1864
Synonyms
Hydrophrea
Primary references
Morse 1864: J. Portland Soc. nat. Hist., 1, 24, 25.
Additional references
Gladstone, N.S., Niemiller, M.L., Pieper, E.B., Dooley, K.E. & McKinney, M.L. 2019. Morphometrics and phylogeography of the cave-obligate land snail Helicodiscus barri (Gastropoda, Stylommatophora, Helicodiscidae). Subterranean Biology, 30: 1–32. DOI: 10.3897/subtbiol.30.35321 Open access Reference page.
Helicodiscus is a genus of air-breathing land snails, terrestrial pulmonate gastropod mollusks in the family Helicodiscidae.
Species
Species within the genus Helicodiscus include:
Helicodiscus diadema
Helicodiscus eigenmanni (Chamberlin and Berry, 1929) - Mexican coil[2]
Helicodiscus hexodon
Helicodiscus parallelus - the type species
References
Morse, E. S. 1864. Observations on the terrestrial Pulmonifera, including a catalogue of all species of terrestrial and fluviatile Mollusca known to inhabit the state. Journal of the Portland Society of Natural History 1 (1): 1-63, Pl. I-II [= 1-2 ], 3-10.
"Helicodiscus eigenmanni". Utah Division of Wildlife Resources. Archived from the original on December 30, 2016. Retrieved May 18, 2017.
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