奇異蟲

奇異蟲（學名：Paradoxides）是生存於寒武紀的一屬三葉蟲，生活在大陸棚的泥質沉積中。這類三葉蟲的體型比寒武紀的任何其他屬三葉蟲都還要大——最大的個體可達一公尺長。牠們有寬闊的頭部、小型的尾和呈圓錐狀逐漸變小的長胸部，胸節數量隨著成長而增加。頭鞍的前部裂片呈扁平狀，側頰則延長為刺，眼睛很發達。^[1]

奇异虫属 化石时期：514–497 Ma PreЄ Є O S D C P T J K Pg N 中寒武紀
Paradoxides davidis
科学分类
界：	动物界 Animalia
门：	节肢动物门 Arthropoda
（未分级）：	†類肢類 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
模式種
Paradoxides paradoxissimus (Wahlenberg, 1818)
種
見內文

物種

• Paradoxides paradoxissimus (Wahlenberg, 1818) 異名 Entomostracites paradoxissimus
• Paradoxides carens (Barrande, 1846)
• Paradoxides davidis (Salter, 1863)
• Paradoxides gracilis (Boeck, 1827) 異名 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

重新分配的物種

以下的物種現時已被置入其他屬。

• 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

圖片

• 
  Paradoxides gracilis
• 
  Paradoxides paradoxissimus