Biology:Girardia

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Girardia
Girardia sp.jpg
Girardia sp.
Scientific classification e
Domain: Eukaryota
Kingdom: Animalia
Phylum: Platyhelminthes
Order: Tricladida
Family: Dugesiidae
Genus: Girardia
Ball, 1974
Species

See text

Girardia is a genus of freshwater planarians belonging to the family Dugesiidae.

Distribution

The genus Girardia is endemic to the Americas, from Argentina to Canada, although most species occur in South America. The only two species known to occur naturally in North America, Girardia tigrina and Girardia dorotocephala, have been introduced in other continents and islands.[1]

Description

Species of Girardia are very similar to species of other genera of Dugesiidae and few apomorphies that clearly define the genus are known.[1] One of the few exclusive characteristics is the presence of pigment granules in the outer pharyngeal wall.[2]

Until 1991 Girardia was considered a subgenus of Dugesia, then it was upgraded to the genus rank.[2] However, some works continued to use the old genus for some Girardia species, mainly for Girardia dorotocephala and Girardia tigrina.[3][4][5][6]

Species

  • Girardia anceps (Kenk, 1930)
  • Girardia anderlani (Kawakatsu & Hauser, 1983)
  • Girardia andina (Borelli, 1895)
  • Girardia antillana (Kenk, 1941)
  • Girardia arenicola Hellmann & Leal-Zanchet, 2018[7]
  • Girardia arimana (Hyman, 1957)
  • Girardia arizonensis (Kenk, 1975)
  • Girardia arndti Marcus, 1946
  • Girardia asymmetrica Hellmann & Leal-Zanchet, 2020[8]
  • Girardia aurita (Kennel, 1888)
  • Girardia avertiginis Sluys, 2005
  • Girardia azteca (Benazzi & Giannini, 1971)
  • Girardia barbarae (Mitchell & Kawakatsu, 1973)
  • Girardia biapertura Sluys, 1997
  • Girardia bonaerensis (Moretto, 1996)
  • Girardia bursalacertosa Sluys, 2005
  • Girardia cameliae (Furhmann, 1912)
  • Girardia canai Curino & Cazzaniga, 1993
  • Girardia capacivasa Sluys & Kawakatsu, 2005
  • Girardia clandestina Sluys & Benítez-Álvarez, 2023[9]
  • Girardia corumbataiensis Morais & Leal-Zanchet, 2021[10]
  • Girardia chilla (Marcus, 1954)
  • Girardia cubana (Codreanu & Balcesco, 1973)
  • Girardia desiderensis Souza & Leal-Zanchet, 2016[11]
  • Girardia dorotocephala (Woodworth, 1897)
  • Girardia dubia (Borelli, 1895)
  • Girardia festae (Borelli, 1898)
  • Girardia glandulosa (Kenk, 1930)
  • Girardia graffi (Weiss, 1909)
  • Girardia guatemalensis (Mitchell & Kawakatsu, 1973)
  • Girardia hoernesi (Weiss, 1910)
  • Girardia hypoglauca (Marcus, 1948)
  • Girardia ibitipoca Hellmann & Leal-Zanchet, 2020[8]
  • Girardia informis Sluys & Grant, 2006
  • Girardia jenkinsae (Benazzi & Gourbault, 1977)
  • Girardia jugosa Sluys, 2005
  • Girardia longistriata (Furhmann, 1912)
  • Girardia mckenziei (Mitchell & Kawakatsu, 1973)
  • Girardia microbursalis (Hyman, 1931)
  • Girardia multidiverticulata Souza, Morais, Cordeiro & Leal-Zanchet, 2015[12]
  • Girardia nobrensis Morais & Leal-Zanchet, 2021[10]
  • Girardia nonatoi (Marcus, 1946)
  • Girardia paramensis (Fuhrmann, 1912)
  • Girardia paucipunctata Hellmann & Leal-Zanchet, 2018[7]
  • Girardia pierremartini Souza & Leal-Zanchet, 2016[11]
  • Girardia polyorchis (Fuhrmann, 1912)
  • Girardia rincona (Marcus, 1954)
  • Girardia sanchezi (Hyman, 1955)
  • Girardia schubarti (Marcus, 1946)
  • Girardia seclusa (de Beauchamp, 1940)
  • Girardia sinensis Chen & Wang, 2015
  • Girardia somuncura Lenguas Francavilla, Negrete, Martínez-Aquino, Damborenea & Brusa, 2021
  • Girardia spelaea Hellmann & Leal-Zanchet, 2020[8]
  • Girardia sphincter Sluys & Kawakatsu, 2001
  • Girardia striata (Weiss, 1910)
  • Girardia tahitiensis Gourbault, 1977
  • Girardia tigrina (Girard, 1850)
  • Girardia tomasi Lenguas Francavilla, Negrete, Martínez-Aquino, Damborenea & Brusa, 2021
  • Girardia titicacana (Hyman, 1939)
  • Girardia typhlomexicana (Mitchell & Kawakatsu, 1973)
  • Girardia ururiograndeana (Kawakatsu, Hauser & Ponce de Leon, 1992)

Phylogeny

Girardia sp. specimen preserved in alcohol.

Phylogenetic tree including five dugesiid genera after Álvarez-Presas et al., 2008:[13]

Dugesiidae
 

Girardia

 
 
 

Neppia

 
 
 

Cura

 
 
 

Schmidtea

 
 

Dugesia

 
 
 
 
 

References

  1. ↑ 1.0 1.1 Sluys, Ronald; Kawakatsu, Masaharu; Ponce de León, Rodrigo (2005). "Morphological stasis in an old and widespread group of species: Contribution to the taxonomy and biogeography of the genus Girardia (Platyhelminthes, Tricladida, Paludicola)". Studies on Neotropical Fauna and Environment 40 (2): 155–180. doi:10.1080/01650520500070220. ISSN 0165-0521. 
  2. ↑ 2.0 2.1 De Vries, E. J.; Sluys, R. (1991). "Phylogenetic relationships of the genus Dugesia (Platyhelminthes, Tricladida, Paludicola)". Journal of Zoology 223 (1): 103–116. doi:10.1111/j.1469-7998.1991.tb04752.x. 
  3. ↑ Sheiman, I. M.; Kreshchenko, N. D.; Sedel'Nikov, Z. V.; Groznyi, A. V. (2004). "Morphogenesis in Planarians Dugesia tigrina". Russian Journal of Developmental Biology 35 (4): 285–290. doi:10.1023/B:RUDO.0000036713.86633.c2. PMID 15487347. 
  4. ↑ Lombardo, P.; Giustini, M.; Miccoli, F. P.; Cicolani, B. (2011). "Fine-scale differences in diel activity among nocturnal freshwater planarias (Platyhelminthes: Tricladida)". Journal of Circadian Rhythms 9: 2. doi:10.1186/1740-3391-9-2. PMID 21477354. 
  5. ↑ Hassall, C.; Hollinshead, J.; Hull, A. (2012). "Temporal dynamics of aquatic communities and implications for pond conservation". Biodiversity and Conservation 21 (3): 829. doi:10.1007/s10531-011-0223-9. http://eprints.whiterose.ac.uk/74903/2/Hassall%20et%20al%20%282012%29%20Biodiversity%20and%20Conservation%20ARCHIVED.pdf. 
  6. ↑ Prados, J.; Alvarez, B.; Howarth, J.; Stewart, K.; Gibson, C. L.; Hutchinson, C. V.; Young, A. M. J.; Davidson, C. (2012). "Cue competition effects in the planarian". Animal Cognition 16 (2): 177–186. doi:10.1007/s10071-012-0561-3. PMID 22976576. 
  7. ↑ 7.0 7.1 Hellmann, Lindsey; Leal-Zanchet, Ana Maria; Ferreira, Rodrigo Lopes (2018). "Two new sympatric troglobitic freshwater flatworms (Platyhelminthes: Dugesiidae) from a hotspot of subterranean biodiversity in the Neotropics". Zootaxa 4438 (3): 561–574. doi:10.11646/zootaxa.4438.3.8. ISSN 1175-5334. PMID 30313136. 
  8. ↑ 8.0 8.1 8.2 Hellmann, Lindsey; Ferreira, Rodrigo Lopes; Rabelo, Lucas; Leal-Zanchet, Ana (2020). "Enhancing the still scattered knowledge on the taxonomic diversity of freshwater triclads (Platyhelminthes: Dugesiidae) in caves from two Brazilian Biomes". Studies on Neotropical Fauna and Environment 57 (2): 1–16. doi:10.1080/01650521.2020.1829901. ISSN 0165-0521. 
  9. ↑ Benítez-Álvarez, L.; Leria, L.; Fernández, R.; Mateos, E.; El Ouanighi, Y.; Bennas, N.; El Alami, M.; Yacoubi-Khebiza, M. et al. (2023). "Phylotranscriptomics interrogation uncovers a complex evolutionary history for the planarian genus Dugesia (Platyhelminthes, Tricladida) in the Western Mediterranean". Molecular Phylogenetics and Evolution 178: 107649. doi:10.1016/j.ympev.2022.107649. ISSN 1055-7903. 
  10. ↑ 10.0 10.1 Morais, Ana Laura; Bichuette, Maria Elina; Chagas-Júnior, Amazonas; Leal-Zanchet, Ana (July 2021). "Under threat: Two new troglobitic species of Girardia (Platyhelminthes: Tricladida) from sandstone and limestone caves in Brazil". Zoologischer Anzeiger 293: 292–302. doi:10.1016/j.jcz.2021.06.015. ISSN 0044-5231. 
  11. ↑ 11.0 11.1 Souza, Stella; Morais, Ana Laura; Bichuette, Maria Elina; Leal-Zanchet, Ana (2016). "Two new species of freshwater flatworms (Platyhelminthes: Tricladida: Continenticola) from South American caves". Zootaxa 4092 (1): 107–121. doi:10.11646/zootaxa.4092.1.6. ISSN 1175-5334. PMID 27394369. 
  12. ↑ Souza, Stella Teles; Nunes Morais, Ana Laura; Cordeiro, Lívia Medeiros; Leal-Zanchet, Ana Maria (2015). "The first troglobitic species of freshwater flatworm of the suborder Continenticola (Platyhelminthes) from South America". ZooKeys (470): 1–16. doi:10.3897/zookeys.470.8728. ISSN 1313-2970. PMID 25632242. 
  13. ↑ Álvarez-Presas, M.; Baguñà, J.; Riutort, M. (2008). "Molecular phylogeny of land and freshwater planarians (Tricladida, Platyhelminthes): From freshwater to land and back". Molecular Phylogenetics and Evolution 47 (2): 555–568. doi:10.1016/j.ympev.2008.01.032. PMID 18359250. 


Wikidata ☰ Q5564174 entry



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