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副海百合

来自维基百科,自由的百科全书

拟海百合
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拟海百合学名Paracrinoidea),又称副海百合,是一类已灭绝棘皮动物,生存于奥陶纪早期至志留纪早期。萼板(Thecal plate)排列略作两侧对称,有2到4个似海百合(Arm),具有侧羽枝。种类不多,目前已知约有13~15

事实速览 科学分类, 目 ...
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分类

  • †目 Comarocystitida
    • ?†科 Heckeritidae
      • Heckerites
    • †科 Amygdalocystitidae
      • Achradocystites Volborth, 1870
      • Amygdalocystites Billings, 1854 (= Ottawacystis) (?= Billingsocystis)
      • Oklahomacystis Parsley & Mintz, 1975 (Bassler, 1943)
      • Ovulocystites Frest et al., 1980
    • †科 Comarocystitidae Balther, 1899
      • Comarocystites Billings, 1854
      • Implicaticystis
      • Sinclairocystis
  • †目 Platycystitida
    • †科 Platycystitidae
      • †亚科 Canadocystinae Frest, Strimple, & Coney, 1979
        • Canadocystis (=Sigmacystis)
      • †亚科 Platycystitinae Frest, Strimple, & Coney, 1979
        • Globulocystites Frest, Strimple, & Coney, 1979
          • Globulocystites rotundatus Frest, Strimple, & Coney, 1979模式种
          • Globulocystites cristatus (Bassler)(Frest, Strimple, & Coney, 1979将本种归入Globulocystites
          • Globulocystites infundus Frest, Strimple, & McGinnis, 1977, p. 215(Frest, Strimple, & Coney, 1979将本种由Platycystites移至Globulocystites
        • Platycystites Miller, 1889
          • Platycystites faberi Miller, 1889(模式种)
          • Platycystites ovalis Frest, Strimple, & Coney, 1979
          • Platycystites sp. Frest, Strimple, & Coney, 1979
    • †科 Malocystitidae
      • Malocystites
      • Wellerocystis
    • †科 Bistomiacystitidae
      • Bistomiacystis
  • 未定
    • †科 Springerocystidae Bassler, 1950(最初被描述为始海百合类,Sprinkle, 1973认为本科是与Canadacystis相关的拟海百合类,但Parsley & Mintz, 1975仍将其视为始海百合类)[1]
      • Columbocystis
      • Foerstecystis
      • Springerocystis

可能为拟海百合类:[来源请求]

  • Allocystites(Sprinkle, 1973认为本属是与Canadacystis相关的拟海百合类,但Parsley & Mintz, 1975则否)
  • Paleocystites
  • Ulrichocystis
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