奇異蟲
奇異蟲屬 化石時期：中寒武紀
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|---|---|
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| Paradoxides davidis | |
科學分類 
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| 界： | 動物界 Animalia |
| 門： | 節肢動物門 Arthropoda |
| （未分級）： | †類肢類 Artiopoda |
| 綱： | †三葉蟲綱 Trilobita |
| 目： | †萊得利基蟲目 Redlichiida |
| 科： | †奇異蟲科 Paradoxididae |
| 屬： | †奇異蟲屬 Paradoxides Brongniart, 1822 |
| 模式種 | |
| Paradoxides paradoxissimus (Wahlenberg, 1818)
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| 種 | |
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，胸節數量隨着成長而增加。頭鞍的前部裂片呈扁平狀，側頰則延長為刺，眼睛很發達。[1]
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
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Paradoxides gracilis -
Paradoxides paradoxissimus
參考文獻
- ^ 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.