Home Plot Diversity Curves Tree of Life About Admin Login

Welcome to the Treatise on Invertebrate Paleontology!

Please enter a genera name to retrieve more information.

Search By:
and Class
and Order

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)

Fossil Image
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:  
0
    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

W. Chang, 1966, W. Zhang, Lu, & others, 1980