オバマ属

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Obama

Obama ficki

界	:	動物界 Animalia
門	:	扁形動物門 Platyhelminthes
綱	:	有棒状体綱 Rhabditophora
目	:	三岐腸目 Tricladida
科	:	リクウズムシ科 Geoplanidae
亜科	:	Geoplaninae
属	:	Obama

Obama
Carbayo et al., 2013

オバマ属（Obama）は、南アメリカに分布するリクウズムシ科の属。都市など人工的な環境にも生息し^[1]、Obama nungara はヨーロッパにも移入されている^[2]。リクウズムシの中ではコウガイビルに次いで代表的である。

属名はトゥピ語のOba(葉) とma(動物)の合成語で、葉のように扁平な体の形に由来する^[3]。

形態

体は葉のように扁平で、ほとんどの種は体長約10 cmだが、20 cmを超える種もいる。体には数百の目があり、目は単純な円形の種や、三叉型の種もいる^[3]。雄は心房全体を占めるほどの陰茎を持つ^[4]。陰茎の形状の違いにより系統が分けられ、非対称の陰茎を持つ10種は単系統のクレードを形成している^[5]。対して対称的な陰茎を持つグループは側系統群であり、属内でも原始的である^[5]。

種類

Obama allandra Marques, Rossi, Valiati & Leal-Zanchet, 2018^[4]
Obama anthropophila Amaral, Leal-Zanchet & Carbayo, 2015
Obama apeva (Froehlich, 1959)
Obama apiguara Oliveira, Almeida & Carbayo, 2020
Obama applanata (Graff, 1899)
Obama argus (Graff, 1899)
Obama assu (Froehlich, 1959)
Obama aureolineata Iturralde & Leal-Zanchet, 2021^[6]
Obama autumna Iturralde & Leal-Zanchet, 2021^[6]
Obama baptistae (Leal-Zanchet & Oliveira, 2012)
Obama braunsi (Graff, 1899)
Obama burmeisteri (Schultze & Müller, 1857) ジオプラナ・ブルメイステリ
Obama carbayoi (Oliveira & Leal-Zanchet, 2012)
Obama carinata (Riester, 1938)
Obama carrierei (Graff, 1897)
Obama catharina (Hyman, 1957)
Obama decidualis Amaral & Leal-Zanchet, 2015
Obama dictyonota (Riester, 1938)
Obama divae (Marcus, 1951)
Obama eudoxiae (Ogren & Kawakatsu, 1990)
Obama eudoximariae (Ogren & Kawakatsu, 1990)
Obama evelinae (Marcus, 1951)
Obama ferussaci (Graff, 1897)
Obama ficki (Amaral & Leal-Zanchet, 2012)
Obama fryi (Graff, 1899)
Obama glieschi (Froehlich, 1959)
Obama itatiayana (Schirch, 1929)
Obama josefi (Carbayo & Leal-Zanchet, 2001)
Obama ladislavii (Graff, 1899) ジオプラナ・ラディスラビー
Obama leticiae Iturralde & Leal-Zanchet, 2021^[6]
Obama livia (E. M. Froehlich, 1955)
Obama maculatentis Negrete, Gira & Brusa, 2019^[7]
Obama maculipunctata Rossi, Amaral, Ribeiro, Cauduro, Fick, Valiati & Leal-Zanchet, 2015
Obama marmorata (Schultze & Müller, 1857)
Obama metzi (Graff, 1899)
Obama nungara Carbayo, Álvarez-Presas, Jones & Riutort, 2016^[2] ジオプラナ・ヌンガラ
Obama otavioi Carbayo, 2016
Obama poca (Froehlich, 1958)
Obama polyophthalma (Graff, 1899)
Obama riesteri (Froehlich, 1955)
Obama rufiventris (Schultze & Müller, 1857)
Obama ruiva (E. M. Froehlich, 1972)
Obama schubarti (Froehlich, 1958)
Obama tribalis Marques, Rossi, Valiati & Leal-Zanchet, 2018^[4]
Obama trigueira (E. M. Froehlich, 1955)

分類と系統

脚注

↑ Boll, Piter Kehoma; Leal-Zanchet, Ana Maria (2016). “Preference for different prey allows the coexistence of several land planarians in areas of the Atlantic Forest”. Zoology 119 (3): 162–168. doi:10.1016/j.zool.2016.04.002. ISSN 0944-2006. PMID 27156235.
1 2 3 Carbayo, Fernando; Álvarez-Presas, Marta; Jones, Hugh D.; Riutort, Marta (2016). “The true identity of Obama (Platyhelminthes: Geoplanidae) flatworm spreading across Europe”. Zoological Journal of the Linnean Society 177 (1): 5–28. doi:10.1111/zoj.12358. ISSN 0024-4082.
1 2 3 4 5 Carbayo, F.; Álvarez-Presas, M.; Olivares, C. U. T.; Marques, F. P. L.; Froehlich, E. X. M.; Riutort, M. (2013). “Molecular phylogeny of Geoplaninae (Platyhelminthes) challenges current classification: Proposal of taxonomic actions”. Zoologica Scripta 42 (5): 508–528. doi:10.1111/zsc.12019.
1 2 3 Marques, Alessandro; Rossi, Ilana; Valiati, Victor Hugo; Leal-Zanchet, Ana Maria (2018). “Integrative approach reveals two new species of Obama (Platyhelminthes: Tricladida) from the South-Brazilian Atlantic Forest”. Zootaxa 4455 (1): 99–126. doi:10.11646/zootaxa.4455.1.4. ISSN 1175-5334. PMID 30314222.
1 2 3 Carbayo, Fernando; Francoy, Tiago M.; Giribet, Gonzalo (2016). “Non-destructive imaging to describe a new species of Obama land planarian (Platyhelminthes, Tricladida)”. Zoologica Scripta 45 (5): 566–578. doi:10.1111/zsc.12175. ISSN 0300-3256.
1 2 3 Iturralde, Giuly G.; Allgayer, Heloísa; Valiati, Victor H.; Leal-Zanchet, Ana M. (2021). “Seeing the true colours: three new species of Obama (Platyhelminthes : Continenticola) from remnants of Atlantic forest in southern Brazil based on an integrative approach”. Invertebrate Systematics 34: 312–331. doi:10.1071/IS20043.
↑ Negrete, Lisandro; Gira, Rafael Díaz; Brusa, Francisco (2019). “Two new species of land planarians (Platyhelminthes, Tricladida, Geoplanidae) from protected areas in the southern extreme of the Paranaense Rainforest, Argentina”. Zoologischer Anzeiger 279: 38–51. doi:10.1016/j.jcz.2019.01.002. ISSN 00445231.
1 2 Rossi, Ilana; Amaral, Silvana Vargas; Ribeiro, Giovana Gamino; Cauduro, Guilherme Pinto; Fick, Israel; Valiati, Victor Hugo; Leal-Zanchet, Ana Maria (2015). “Two new Geoplaninae species (Platyhelminthes: Continenticola) from Southern Brazil based on an integrative taxonomic approach”. Journal of Natural History 50 (13–14): 787–815. doi:10.1080/00222933.2015.1084057. ISSN 0022-2933. https://zenodo.org/record/3990049.

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