拟海百合

• †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
    • †亞科 Canadocystinae Frest, Strimple, & Coney, 1979
      • †Canadocystis (=Sigmacystis)
    • †亞科 Platycystitinae Frest, Strimple, & Coney, 1979
      • †Globulocystites Frest, Strimple, & Coney, 1979
        • †Globulocystites rotundatus Frest, Strimple, & Coney, 1979（模式種）
        • †Globulocystites cristatus (Bassler)（Frest, Strimple, & Coney, 1979將本種歸入Globulocystites）
        • †Globulocystites infundus Frest, Strimple, & McGinnis, 1977, p. 215（Frest, Strimple, & Coney, 1979將本種由Platycystites移至Globulocystites）
      • †Platycystites Miller, 1889
        • †Platycystites faberi Miller, 1889（模式種）
        • †Platycystites ovalis Frest, Strimple, & Coney, 1979
        • †Platycystites sp. Frest, Strimple, & Coney, 1979
  • †科 Malocystitidae
    • †Malocystites
    • †Wellerocystis
  • †科 Bistomiacystitidae
    • †Bistomiacystis
• 目未定
  • †科 Springerocystidae Bassler, 1950（最初被描述為始海百合類，Sprinkle, 1973認為本科是與Canadacystis相關的拟海百合類，但Parsley & Mintz, 1975仍將其視為始海百合類）^[1]
    • †Columbocystis
    • †Foerstecystis
    • †Springerocystis

可能為拟海百合類：^{[來源請求]}

• †Allocystites（Sprinkle, 1973認為本屬是與Canadacystis相關的拟海百合類，但Parsley & Mintz, 1975則否）
• †Paleocystites
• †Ulrichocystis

• 张永辂 刘冠邦 边立曾等. 古生物学（上册） (M)使用|format=需要含有|url= (帮助) 1. 北京: 地质出版社. 1988: 321. ISBN 7-116-00148-4. 
• 费尔布里奇 雅布隆斯基等. 古生物学百科全书（上册） (M)使用|format=需要含有|url= (帮助) 1. 北京: 地质出版社. 1989: 337. ISBN 7-116-00271-5. 
• Frest, T. J.; Strimple, H. L.; Coney, C. C. Paracrinoids (Platycystitidae) from the Benbolt Formation (Blackriverian) of Virginia. Journal of Paleontology. 1979, 53 (2): 380–398. 
• Frest, T. J.; Strimple, H. L.; McGinnis, M. R. A new species of Platycystites (Echinodermata: Paracrinoidea) from the Middle Ordovician of Oklahoma.. Journal of the Washington Academy of Sciences. 1977, 66: 211–221. 
• Limbeck, M. R. Fossil focus: Paracrinoids.. Palaeontology. 2018, 8 (9): 1–7. 
• Parsley, R. L.; Mintz, L. W. North American Paracrinoidea (Ordovician: Paracrinozoa, new, Echinodermata). Bulletins of American Paleontology. 1975, 68 (288): 1–115. 
• Parsley, R. L. Systematics and functional morphology of Columbocystis, a Middle Ordovician "Cystidean" (Echinodermata) of uncertain affinities.. Bulletins of American Paleontology. 1975, 67 (287): 349–361. 
• Sprinkle, J. Morphology and evolution of blastozoan echinoderms.. Harvard University Museum of Comparative Zoology Special Publication. 1973: 284.