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Abadiella

Classification

    Phylum:  
Unknown
    Class:  
Trilobata
    Order:  
Redlichiida
    Superfamily:  
Redlichioidea
    Family:  
Abadiellidae
    Formal Genus Name and Reference:  
Abadiella HUPÉ, 1953a, p. 204
    Type Species:  
A. bourgini, OD, holotype (HUPÉ, 1953a, p. 204, fig. 45.2), G318, MNHN, Paris


Images

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Fossil Image
Fig. 297,1. *A. bourgini; holotype, cranidium, ×6 (new).


Synonyms



Geographic Distribution

Morocco (Ouijjane), Daguinaspis and Resserops Zone.


Age Range

    Beginning Stage in Treatise Usage:  
Lower Cambrian (“Lower Cambrian” in Trilobite volume of Treatise = current Cambrian Epoch 2 of international scale)
    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)
    Ending International Stage:  
Cambrian Stage 4
    Fraction Up In Ending Stage:  
0
    Ending Date:  
509


Description

Cranidium subquadrate, glabella tapering forward, acutely rounded in front, frontal lobe small and subrounded, S3 shallow, short and indistinct, S2, S1 narrow, deep, and steeply oblique backward, occipital ring longer sagittally and produced backward into a strong and longer occiptial spine, preglabellar field with low plectrum, anterior area of fixigena and facial line similar to that of Eoredlichia, anterior border gently convex, longer sagittally and gradually narrower (exs.) toward distal extremities, eye ridge and eye lobe stout, eye lobe longer (exs.) than in Parabadiella, its posterior tip reaching the midlength of L1, posterior area of fixigena long (exs.) and broad (tr.), fulcrum distinct.




References



Museum or Author Information