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Parabadiella
Classification
Phylum:
Unknown
Class:
Trilobata
Order:
Redlichiida
Superfamily:
Redlichioidea
Family:
Abadiellidae
Formal Genus Name and Reference:
Parabadiella W. CHANG, 1966, p. 163, 184
Type Species:
* P. huoi, OD, holotype (W. Chang, 1966, pl. 1, fig. 1), 18139, NIGP, Nanjing
Images
(Click to enlarge in a new window)
.png)
Fig. 298,1a,b. *P. huoi, southern Shaanxi (Nanzheng); a, holotype, cranidium, ×2.85 (W. Chang, 1966); b, topotype, exoskeleton, × 2.85 (W. Zhang, Lu, & others, 1980).
Synonyms
Parabadiella, Danagouia, Parabadiella (Danagouia)
Geographic Distribution
China (northern Sichuan, eastern Yunnan, southern Shaanxi), Parabadiella Zone.
Age Range
Beginning Stage in Treatise Usage:
Lower Cambrian (“Lower Cambrian” in Trilobite volume of Treatise = current Cambrian Epoch 2 of international scale) (Qiongzhusian)
Beginning International Stage:
Cambrian Stage 3
Fraction Up In Beginning Stage:
0
Beginning Date:
521
Ending Stage in Treatise Usage:
Lower Cambrian (“Lower Cambrian” in Trilobite volume of Treatise = current Cambrian Epoch 2 of international scale) (Qiongzhusian)
Ending International Stage:
Cambrian Stage 3
Fraction Up In Ending Stage:
50
Ending Date:
517.75
Description
Cranidium gently convex, rectangular in outline, broad (tr.), eye lobe medium-sized, eye ridge long and oblique, fixigena broad (tr.), anterior area of fixigena with an oblique and slightly arcuate facial line, median plectrum connected to parafrontal band, which extends obliquely backward and joins anterior band of eye ridge, border furrow distinct, anterior border gently convex and slightly arcuate forward, posterior area of fixigena protruding slightly beyond eye lobe, anterior sections of facial sutures slightly divergent from eye lobe, librigena with long genal spine, thorax with axial spine on the 6th and 9th axial rings, pygidium similar to that of Eoredlichia
References
Museum or Author Information
Classification
Phylum:
Unknown
Class:
Trilobata
Order:
Redlichiida
Superfamily:
Redlichioidea
Family:
Abadiellidae
Formal Genus Name and Reference:
Parabadiella W. CHANG, 1966, p. 163, 184
Type Species:
* P. huoi, OD, holotype (W. Chang, 1966, pl. 1, fig. 1), 18139, NIGP, Nanjing
Images
(Click to enlarge in a new window)
Fig. 298,1a,b. *P. huoi, southern Shaanxi (Nanzheng); a, holotype, cranidium, ×2.85 (W. Chang, 1966); b, topotype, exoskeleton, × 2.85 (W. Zhang, Lu, & others, 1980).
Synonyms
Parabadiella, Danagouia, Parabadiella (Danagouia)
Geographic Distribution
China (northern Sichuan, eastern Yunnan, southern Shaanxi), Parabadiella Zone.
Age Range
Beginning Stage in Treatise Usage:
Lower Cambrian (“Lower Cambrian” in Trilobite volume of Treatise = current Cambrian Epoch 2 of international scale) (Qiongzhusian)
Beginning International Stage:
Cambrian Stage 3
Fraction Up In Beginning Stage:
0
Beginning Date:
521
Ending Stage in Treatise Usage:
Lower Cambrian (“Lower Cambrian” in Trilobite volume of Treatise = current Cambrian Epoch 2 of international scale) (Qiongzhusian)
Ending International Stage:
Cambrian Stage 3
Fraction Up In Ending Stage:
50
Ending Date:
517.75
Description
Cranidium gently convex, rectangular in outline, broad (tr.), eye lobe medium-sized, eye ridge long and oblique, fixigena broad (tr.), anterior area of fixigena with an oblique and slightly arcuate facial line, median plectrum connected to parafrontal band, which extends obliquely backward and joins anterior band of eye ridge, border furrow distinct, anterior border gently convex and slightly arcuate forward, posterior area of fixigena protruding slightly beyond eye lobe, anterior sections of facial sutures slightly divergent from eye lobe, librigena with long genal spine, thorax with axial spine on the 6th and 9th axial rings, pygidium similar to that of Eoredlichia