奇异虫
奇异虫属 化石时期：中寒武纪
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|---|---|
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| Paradoxides davidis | |
科学分类 
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| 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 | |
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——最大的个体可达一米长。牠们有宽阔的头部、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]
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
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Paradoxides gracilis -
Paradoxides paradoxissimus
参考文献
- ^ Walker, Cyril; Ward, David. Fossils. Smithsonian Handbooks revised, illustrated. Dorling Kindersley. 2002: 57. ISBN 0789489848.
- ^ 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.
- Toro Toro, Luz Mary; Mario Moreno Sánchez, and Arley Gómez Cruz. 2014. Metagabro del Ariarí, plutonismo MORB, Cordillera Oriental de Colombia. Boletín de Geología 36. . Accessed 2017-03-31.