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Parazhenbaspis
Classification
Phylum:
Unknown
Class:
Trilobata
Order:
Redlichiida
Superfamily:
Redlichioidea
Family:
Redlichiidae
Formal Genus Name and Reference:
Parazhenbaspis Zhu & LIN, 1983, p. 24, 28
Type Species:
* P. mohershanensis, OD, holotype (Zhu & LIN, 1983, pl. 1, fig. 8), 69526, NIGP, Nanjing
Images
(Click to enlarge in a new window)
Fig. 275,3. *P. mohershanensis, eastern Xinjiang (Kuluketage), Tianshanocephalus Zone; holotype, cranidium, ×3 (Zhu & Lin, 1983).
Synonyms
Geographic Distribution
China (eastern Xinjiang, Uygur Autonomous Region), Tianshanocephalus Zone.
Age Range
Beginning Stage in Treatise Usage:
Lower Cambrian (“Lower Cambrian” in Trilobite volume of Treatise = current Cambrian Epoch 2 of international scale) (lower Canglangpuan)
Beginning International Stage:
Fraction Up In Beginning Stage:
0
Beginning Date:
517.75
Ending Stage in Treatise Usage:
Lower Cambrian (“Lower Cambrian” in Trilobite volume of Treatise = current Cambrian Epoch 2 of international scale) (lower Canglangpuan)
Ending International Stage:
Fraction Up In Ending Stage:
0
Ending Date:
515.58
Description
Glabella cylindrical, broad and slightly waisted, rounded in front and reaching the border furrow, with 3 or 4 pairs of faint glabellar furrows, eye ridge short, eye lobe long and reaching the posterior border furrow, posterior border narrow and broad (tr.), anterior border convex and arched forward, anterior sections of facial sutures short and divergent, posterior sections long and extending transversely outwards, hypostome ovate, with narrow border and small and triangular anterior wings. Pygidium with wide axial lobe, 1 axial ring, pleural region narrow, with pair of pleural and interpleural furrows.
References
Qiu, Hongan, Yanhao Lu, Zhaoling Zhu, Dechang Bi, Tianrui Lin, Zhiyi Zhou, Quanzhong Zhang, Yiyuan Qian, Tianyin Ju, Nairen Han, \& Xus Wei. 1983. Trilobita. In Paleontological Atlas of East China. Part 1: Early Paleozoic. Nanjing Institute of Geology and Mineral Resources. Geological Publishing House. Beijing. p. 1-657, pl. 1-176.
Museum or Author Information
Classification
Phylum:
Unknown
Class:
Trilobata
Order:
Redlichiida
Superfamily:
Redlichioidea
Family:
Redlichiidae
Formal Genus Name and Reference:
Parazhenbaspis Zhu & LIN, 1983, p. 24, 28
Type Species:
* P. mohershanensis, OD, holotype (Zhu & LIN, 1983, pl. 1, fig. 8), 69526, NIGP, Nanjing
Images
(Click to enlarge in a new window)
Fig. 275,3. *P. mohershanensis, eastern Xinjiang (Kuluketage), Tianshanocephalus Zone; holotype, cranidium, ×3 (Zhu & Lin, 1983).
Synonyms
Geographic Distribution
China (eastern Xinjiang, Uygur Autonomous Region), Tianshanocephalus Zone.
Age Range
Beginning Stage in Treatise Usage:
Lower Cambrian (“Lower Cambrian” in Trilobite volume of Treatise = current Cambrian Epoch 2 of international scale) (lower Canglangpuan)
Beginning International Stage:
Fraction Up In Beginning Stage:
0
Beginning Date:
517.75
Ending Stage in Treatise Usage:
Lower Cambrian (“Lower Cambrian” in Trilobite volume of Treatise = current Cambrian Epoch 2 of international scale) (lower Canglangpuan)
Ending International Stage:
Fraction Up In Ending Stage:
0
Ending Date:
515.58
Description
Glabella cylindrical, broad and slightly waisted, rounded in front and reaching the border furrow, with 3 or 4 pairs of faint glabellar furrows, eye ridge short, eye lobe long and reaching the posterior border furrow, posterior border narrow and broad (tr.), anterior border convex and arched forward, anterior sections of facial sutures short and divergent, posterior sections long and extending transversely outwards, hypostome ovate, with narrow border and small and triangular anterior wings. Pygidium with wide axial lobe, 1 axial ring, pleural region narrow, with pair of pleural and interpleural furrows.
References
Qiu, Hongan, Yanhao Lu, Zhaoling Zhu, Dechang Bi, Tianrui Lin, Zhiyi Zhou, Quanzhong Zhang, Yiyuan Qian, Tianyin Ju, Nairen Han, \& Xus Wei. 1983. Trilobita. In Paleontological Atlas of East China. Part 1: Early Paleozoic. Nanjing Institute of Geology and Mineral Resources. Geological Publishing House. Beijing. p. 1-657, pl. 1-176.