Radix (gastropod)

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Radix
Lymnea auricularia1pl.jpg
A shell of Radix auricularia
Scientific classification
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
(unranked): clade Heterobranchia
clade Euthyneura
clade Panpulmonata
clade Hygrophila
Superfamily: Lymnaeoidea
Family: Lymnaeidae
Subfamily: Amphipepleinae
Genus: Radix
Montfort, 1810[1]
Type species
Radix auriculatus Montfort, 1810
Synonyms[2]
  • Auriculariana Servain, 1881
  • Gulnaria Turton, 1831
  • Limnaea (Radix) Montfort, 1810 (genus-subgenus combination not accepted)
  • Lymnaea (Peregriana) Servain, 1881
  • Lymnaea (Radix) Montfort, 1810 (genus-subgenus combination not accepted)
  • Neritostoma H. Adams & A. Adams, 1855
  • Radix (Peregriana) Servain, 1881
  • Radix (Radix) Montfort, 1810

Radix is a genus of air-breathing freshwater snails, aquatic pulmonate gastropods in the family Lymnaeidae, the pond snails.[2]

The genus Radix has a Palaearctic distribution.[3]

Phylogeny[edit]

Correa et al. (2010) confirmed that the placement of these species within the genus Radix reflected their phylogenetic relationship.[4] A cladogram showing phylogenic relations of species in the genus Radix:[4]

Radix


Radix labiata




Radix peregra




Radix ampla



Radix lagotis








Radix auricularia



Radix ovata





Radix sp. from Philippines




Radix sp. from Canada and Radix sp. from Romania





Radix natalensis



Radix luteola





Radix quadrasi



Radix rubiginosa








The haploid number of chromosomes of all species in the genus Radix is 17 (n=17).[4]

Species[edit]

The taxonomic status of certain species in the genus Radix has been disputed. Remigio (2002) reported sequence divergence within the 16S mitochondrial gene of Radix peregra and Radix ovata.[5] Furthermore, the shell morphology and alloenzyme data indicated that Radix peregra and Radix ovata are distinct.[6][7]

In contrast, Bargues et al. (2001) considered on the basis of ITS-2 sequence analysis, that R. peregra, R. ovata, and R. balthica are in fact a conspecific species.[8]

Or instead perhaps:

  • R. peregra = R. ovata = R. balthica
Taxa inquerenda
  • Radix middendorffi (W. Dybowski, 1903)
Species brought into synonymy
  • Radix (Radix) dupuyana (Noulet, 1854): synonym of † Galba dupuyiana (Noulet, 1854)
  • Radix (Radix) hyaloleuca (Brusina, 1902): synonym of † Radix korlevici (Brusina, 1884)
  • Radix (Radix) limosa (Linnaeus, 1758): synonym of Radix balthica (Linnaeus, 1758)
  • Radix (Radix) peregra (Müller, 1774): synonym of Radix labiata (Rossmässler, 1835)
  • Radix auriculatus Montfort, 1810: synonym of Radix auricularia (Linnaeus, 1758)
  • Radix altus Macaleț, 2000: synonym of † Radix alta Macaleț, 2000
  • Radix amaradicus Macaleț, 2000: synonym of † Radix amaradica Macaleț, 2000
  • Radix deydieri (Fontannes, 1878): synonym of † Radix cucuronensis (Fontannes, 1878)
  • Radix hyaloleuca (Brusina, 1902): synonym of † Radix korlevici (Brusina, 1884)
  • Radix kuzmici (Brusina, 1897): synonym of † Boskovicia kuzmici Brusina, 1897
  • Radix ovata (Draparnaud, 1805): synonym of Radix balthica (Linnaeus, 1758)
  • Radix peregra (O. F. Müller, 1774): synonym of Radix labiata (Rossmässler, 1835)
  • Radix socialis Macaleț, 2000: synonym of † Radix macaleti Neubauer, Harzhauser, Kroh, Georgopoulou & Mandic, 2014

Parasites[edit]

Species within the genus Radix are utilized as intermediate hosts by several different trematode species:

References[edit]

  1. ^ Montfort D. de 1810. Conchyliologie systématique, et classification méthodique des coquilles; offrant leurs figures, leur arrangement générique, leurs descriptions caractéristiques, leurs noms; ainsi que leur synonymie en plusieurs langues. Ouvrage destiné à faciliter l'étude des coquilles, ainsi que leur disposition dans les cabinets d'histoire naturelle. Coquilles univalves, non cloisonnées. Tome second. pp. [1-3], 1-676. Paris. (Schoell).
  2. ^ a b Bouchet, P.; Gofas, S. (2013). Radix Montfort, 1810. Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=248262 on 2013-06-06
  3. ^ Pfenninger, M.; Cordellier, M.; Streit, B. (2006). "Comparing the efficacy of morphologic and DNA-based taxonomy in the freshwater gastropod genus Radix (Basommatophora, Pulmonata)". BMC Evolutionary Biology. 6: 100. doi:10.1186/1471-2148-6-100. PMC 1679812Freely accessible. PMID 17123437. 
  4. ^ a b c d Correa, A. C.; Escobar, J. S.; Durand, P.; Renaud, F. O.; David, P.; Jarne, P.; Pointier, J. P.; Hurtrez-Boussès, S. (2010). "Bridging gaps in the molecular phylogeny of the Lymnaeidae (Gastropoda: Pulmonata), vectors of Fascioliasis". BMC Evolutionary Biology. 10: 381. doi:10.1186/1471-2148-10-381. PMC 3013105Freely accessible. PMID 21143890. 
  5. ^ e., R. (2002). "Molecular phylogenetic relationships in the aquatic snail genus Lymnaea , the intermediate host of the causative agent of fascioliasis: Insights from broader taxon sampling". Parasitology Research. 88 (7): 687–696. doi:10.1007/s00436-002-0658-8. PMID 12107463. 
  6. ^ Glöer P., Meier-Brook C., Osterman O. (1987). Süsswassermollusken: ein Bestimmungsschlüssel für die Bundesrepublik Deutschland. Deutscher Jugendbund für Naturbeobachtung, Hamburg.
  7. ^ Ward, P. I.; Goater, C. P.; Mikos, M. (1997). "Shell variation in sympatric freshwater Lymnaea peregra and L. Ovata (Gastropoda: Lymnaeidae)". Biological Journal of the Linnean Society. 61: 139. doi:10.1111/j.1095-8312.1997.tb01782.x. 
  8. ^ Bargues, M. D.; Vigo, M.; Horak, P.; Dvorak, J.; Patzner, R. A.; Pointier, J. P.; Jackiewicz, M.; Meier-Brook, C.; Mas-Coma, S. (2001). "European Lymnaeidae (Mollusca: Gastropoda), intermediate hosts of trematodiases, based on nuclear ribosomal DNA ITS-2 sequences". Infection, Genetics and Evolution. 1 (2): 85–107. doi:10.1016/S1567-1348(01)00019-3. PMID 12798024. 
  9. ^ Glöer P. & Beckmann K.-H. (2007). "Radix lilli n. sp. und drei neue Bithynia-Arten von den Balearen (Gastropoda: Bithyniidae, Lymnaeidae). pp. 163-170. In: Beckmann K.-H.: Die Land- und Süßwassermollusken der Balearischen Inseln. ConchBooks, Hackenheim, 255 pp., ISBN 978-3-939767-05-3.
  • Vinarski V.M. (2013) One, two, or several? How many lymnaeid genera are there? Ruthenica 23(1): 41-58.

External links[edit]