奇异虫

奇异虫（学名：Paradoxides）是生存于寒武纪的一属三叶虫，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——最大的个体可达一公尺长。它们有宽阔的头部、小型的尾和呈圆锥状逐渐变小的长胸部，胸节数量随著成长而增加。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 PreЄ Є O S D C P T J K Pg N 中寒武纪
Paradoxides davidis
科学分类
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)
种
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。

• Paradoxides armatus = Metadoxides armatus
• Paradoxides boltoni = Arctinurus boltoni
• Paradoxides carolinaensis = Pteridinium^[2]
• Paradoxides expectans = Luhops expectans
• Paradoxides harlani = Acadoparadoxides harlani
• Paradoxides kjerulfi = Holmia kjerulfi
• Paradoxides loveni = Centropleura loveni
• Paradoxides nevadensis = Olenoides nevadensis
• Paradoxides oelandicus = Acadoparadoxides oelandicus
• Paradoxides pusillus = Phanoptes pusillus
• Paradoxides rotundatus = Hydrocephalus rotundatus
• Paradoxides sacheri = Acadoparadoxides sacheri
• Paradoxides torosus = Metadoxides torosus

图片

• 
  Paradoxides gracilis
• 
  Paradoxides paradoxissimus