Felaniella sowerbyi Kuroda & Habe 1952

ウメノハナガイモドキ

軟体動物門 二枚貝綱 異歯亜綱 Imparidentia フタバシラガイ科

SH 5.5mm, SL 5.3mm
intertidal zone, sandy-muddy bottoms
Obitsu River Mouth Flat, Kisarazu, Chiba, Japan
collected by Kayane Lab. with Kazuyuki Yamada, 06 May 2012

Felania minor Sowerby 1903 501 [not Diplodonta (Felaniella) minor Dall 1900, see Scott 1994].

Felaniella sowerbyi Kuroda Habe 1952, 20. Bernard Cai Morton 1993 57. 木村ら 2004 60 table 1. Sato 2006 132. Sato et al. 2007 270-271 table 2. Yu et al. 2011 426 table 1, 429 fig.6. Lutaenko 2014 64. Noseworthy Choi 2014 67.

Felaniella sowerbyi ウメノハナガイモドキ 波部 1977 135.

Diplodonta sowerbyi Scott 1994 74 pl.7B. Valentich-Scott 2003 277 pl.6D.

  九州西岸〜和歌山県,潮間帯,細砂泥(波部 1977), 千葉県小櫃川,長崎県千里ヶ浜(木村ら 2004).
  台湾,香港 off Cape d'Aguilar 33m,シルト(Scott 1994Valentich-Scott 2003). 韓国各地の干潟や浅海域(Sato 2006Sato et al. 2007Yu et al. 2011Noseworthy Choi 2014), 韓国 Ulsan Bay 34m 砂泥底から遺殻2個体(Lutaenko 2014).
  模式産地は平戸(Sowerby 1903Scott 1994),ホロタイプ BMNH 1903-12-7.4 は遺失, 香港産標本は SBMNH 141719(Scott 1994),または14719(Valentich-Scott 2003). 九州産標本は京都大学博物館 2127,ラベルに「Felania minor Sowerby ウメノハナガヒモドキ」, 採集年月日等詳細不詳(http://www.museum.kyoto-u.ac.jp/collection/Shell/Shell00001895.htm).

  デトライタス食者の可能性(Noseworthy Choi 2014).

  属移動の根拠を明示していない(Scott 1994Valentich-Scott 2003). Felania Recluz 1851 は西アフリカ産, Felaniella Dall 1899 はウソシジミ属,殻表に光沢のある殻皮, 2主歯のうち1主歯は二分,筋痕は大きい長卵形, Diplodonta Bronn 1831 はフタバシラガイ属,殻皮は褐色, 2主歯はやや長く1つは2分,筋痕は卵形で長く伸びない(波部 1977

  東大茅根研の学生実習では1995-1996年に”オキシジミ稚貝?”, 1997-1999年には”フタバシラガイ科”として記録, 2000年以降は山田の説明不足で”ウメノハナガイ”とラベルされたものも混在. 小櫃川河口干潟潮間帯中部に最大3000個体/m2程度出現.

18 May 2003; modified 23 July 2015

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