奇异虫学名Paradoxides)是生存于寒武纪的一三叶虫,生活在大陆棚的泥质沉积中。这类三叶虫的体型比寒武纪的任何其他属三叶虫都还要大——最大的个体可达一长。它们有宽阔的部、小型的和呈圆锥状逐渐变小的长部,胸节数量随着成长而增加。头鞍的前部裂片呈扁平状,侧颊则延长为刺,眼睛很发达。[1]

奇异虫属
化石时期:514–497 Ma
寒武纪
Paradoxides davidis
科学分类 编辑
界: 动物界 Animalia
门: 节肢动物门 Arthropoda
(未分级) 类肢类 Artiopoda
纲: 三叶虫纲 Trilobita
目: 莱得利基虫目 Redlichiida
科: 奇异虫科 Paradoxididae
属: 奇异虫属 Paradoxides
Brongniart, 1822
模式种
Paradoxides paradoxissimus
(Wahlenberg, 1818)

见内文

物种

  • Paradoxides paradoxissimus (Wahlenberg, 1818) 异名 Entomostracites paradoxissimus
  • Paradoxides carens (Barrande, 1846)
  • Paradoxides davidis (Salter, 1863)
  • Paradoxides gracilis (Boeck, 1827) 异名 Trilobites desideratus, Vinicella desideratus
  • Paradoxides bidentatus
  • Paradoxides brachyrhachis Linnarsson, 188
  • Paradoxides briareus Geyer, 1993
  • Paradoxides forchhammeri
  • Paradoxides grandoculus
  • Paradoxides haywardi
  • Paradoxides hicksii Salter, 1865
  • Paradoxides knizeki (Kordule, 1990)
  • Paradoxides mandiki (Kordule, 1990)
  • Paradoxides minor (Boeck, 1827)
  • Paradoxides oppanol (Šnajdr, 1978)
  • Paradoxides rohanovicus (Šnajdr, 1986)
  • Paradoxides rugulosus
  • Paradoxides sirokyi (Šnajdr, 1986)
  • Paradoxides walcotti Shaller & Foerste, 1888

重新分配的物种

以下的物种现时已被置入其他属。

图片

参考文献

  1. ^ Walker, Cyril; Ward, David. Fossils. Smithsonian Handbooks revised, illustrated. Dorling Kindersley. 2002: 57. ISBN 0789489848. 
  2. ^ Gail G. Gibson; Stephen A. Teeter; M. A. Fedonkin. Ediacaran fossils from the Carolina slate belt, Stanly County, North Carolina. Geology. 1984, 12: 387–390. doi:10.1130/0091-7613(1984)12<387:efftcs>2.0.co;2.