碟形貝屬

碟形貝屬學名:),又名滴貝屬,是盤殼科下的一個,生存於泥盆紀早期至上新世非洲歐洲北美洲紐西蘭[1]牠們利用短小的附著在其他殼類上生存。[2]

碟形贝属
化石时期:
Discinisca lamellosa
科学分类 编辑
界: 动物界 Animalia
门: 腕足動物門 Brachiopoda
纲: 舌形贝纲 Lingulata
目: 舌形贝目 Lingulida
科: 平圆贝科 Discinidae
属: 碟形贝属 Discinisca
Gray, 1840

見內文

特徵

該屬具有和緩的圓錐形腳狀瓣和扁平至微突狀的狀瓣。殼形從圓形到抹刀形都有,表面有纖細的同心生長線,並有一個很薄的、切口狀的腳孔,腳孔在貝成年時會合上,幼貝的腳孔則是敞開的。殼的前緣十分突出。[2]

物種[3]

  • Discinisca circularis Gabb, 1864
  • Discinisca conviva Gerassimov, 1955
  • Discinisca cumingii Broderip, 1833
  • Discinisca holdeni Tate, 1867
  • Discinisca jenkinsi Hertlein & Grant, IV 1944
  • Discinisca laevis Sowerby, 1822
  • Discinisca lamellosa Broderip, 1834
  • Discinisca loeli Hertlein & Grant IV, 1944
  • Discinisca lugubris Conrad, 1834
  • Discinisca messi Damián E. Pérez et al., 2023
  • Discinisca oregonensis Dall, 1909
  • Discinisca perrini Hertlein & Grant IV, 1944
  • Discinisca scutellum Dreger, 1889
  • Discinisca spitsbergensis Biernat, 1995
  • Discinisca steiningeri Radwanska & Radwanski, 1989
  • Discinisca yaroslavensis Gerassimov, 1955
  • Discinisca zapfei Radwanski & Summesberger, 2001

參考文獻

  1. Christian Emig. Emig CC , 编. . World Brachiopoda database. 2010 [February 25, 2012] WoRMS.
  2. Walker, Cyril; Ward, David. . Smithsonian Handbooks revised, illustrated. Dorling Kindersley. 2002: 92. ISBN 0789489848.
  3. . [2018-04-13]. (原始内容存档于2018-04-14) (英语).
  • Emig, Christian (2006). Systematics of extant brachiopod taxa

外部連結

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