三分头虫学名Trimerocephalus),又名三分虫,是生存于泥盆纪法门期的一三叶虫,生活在深海的底层。牠们没有眼睛,也没有颊刺,头甲短小。肋部宽阔,末梢往下翻转。[4]

三分头虫属
化石时期:泥盆纪法门期英语Famennian
两个Trimerocephalus interruptus的头甲化石
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: 镜眼虫目 Phacopida
科: 镜眼虫科 Phacopidae
属: 三分头虫属 Trimerocephalus
M'Coy英语Frederick McCoy, 1849
模式种
Trimerocephalus mastophthalmus
Reinh. Richter, 1856
异名

Eutrimerocephalus

物种

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  • Trimerocephalus caecus (Gürich, 1896) 异名 Phacops caecus
  • Trimerocephalus chopini Kin & Blazejowski, 2013
  • Trimerocephalus cryptophthalmoides (Maksimova, 1955) 异名 Phacops cryptophthalmoides
  • Trimerocephalus dianopsoides Osmólska, 1963
  • Trimerocephalus interruptus Berkowski, 1991
  • Trimerocephalus lacunosus (Pfeiffer, 1959) 异名 Phacops lacunosus
  • Trimerocephalus lelievrei Crônier & Feist, 1997
  • Trimerocephalus lentiginosus (Maksimova, 1955) 异名 Phacops lentiginosus
  • Trimerocephalus mastophthalmus Reinh. Richter, 1856 异名 Phacops mastophthalmus, Trinucleus laevis
  • Trimerocephalus mimbi Feist, McNamarra, Crônier & Lerosey-Aubril, 2009
  • Trimerocephalus nigritus Crônier, 2003
  • Trimerocephalus polonicus Osmólska, 1958
  • Trimerocephalus procurvus Arbizu, 1985
  • Trimerocephalus shotoriensis Feist, Yasdi & Becker, 2003
  • Trimerocephalus sponsor Chlupač, 1966
  • Trimerocephalus steinachensis (Richter & Richter, 1926) 异名 Phacops steinachensis
  • Trimerocephalus tardispinosus Feist & Becker, 1997
  • Trimerocephalus trifolius (Osmólska, 1958) 异名 Dianops trifolius
  • Trimerocephalus vodorezovi (Maksimova, 1955) 异名 Phacops vodorezovi

参考文献

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  1. ^ Crônier, C. Systematic relationships of the blind phacopine trilobite Trimerocephalus, with a new species from Causses−et−Veyran, Montagne Noire (PDF). Acta Palaeontologica Polonica. 2003, 48 (1): 55–70 [4 November 2013]. (原始内容存档 (PDF)于2017-03-13). 
  2. ^ Feist, R.; McNamara, K.J.; Crônier, C.; Lerosey-Aubril, R. Patterns of extinction and recovery of phacopid trilobites during the Frasnian-Famennian (Late Devonian) mass extinction event, Canning Basin, Western Australia (PDF). Geological Magazine. 2009, 146 (1): 12–33 [5 November 2013]. doi:10.1017/s0016756808005335. [永久失效链接]
  3. ^ Kin, A.; Blazejowski, B. A new Trimerocephalus species (Trilobita, Phacopidae) from the Late Devonian (Early Famennian) of Poland (PDF). Zootaxa. 2013, 3626 (3): 345–355 [2017-12-03]. doi:10.11646/zootaxa.3626.3.3. (原始内容存档 (PDF)于2019-07-24). 
  4. ^ Walker, Cyril; Ward, David. Fossils. Smithsonian Handbooks revised, illustrated. Dorling Kindersley. 2002: 63. ISBN 0789489848. 

外部链接

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