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Dolerolenus

Classification

    Phylum:  
Unknown
    Class:  
Trilobata
    Order:  
Redlichiida
    Superfamily:  
Redlichioidea
    Family:  
Dolerolenidae
    Formal Genus Name and Reference:  
Dolerolenus LEANZA, 1949, p. 36, nom. subst. pro Olenopsis BORNEMANN, 1891, p. 459, non AMEGHINO, 1889
    Type Species:  
*Olenus zoppii MENEGHINI, 1882, p. 163; SD WALCOTT, 1912d, p. 240; lectotype (MENEGHINI, 1882, pl. 1, fig. 5, 5a; SD NICOSIA & RASETTI, 1970, p. 8, 17), 1, SG, Rome


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Synonyms



Geographic Distribution

southwestern China, Spain, Italy (Sardinia).


Age Range

    Beginning Stage in Treatise Usage:  
Lower Cambrian (“Lower Cambrian” in Trilobite volume of Treatise = current Cambrian Epoch 2 of international scale) (upper Qiongzhusian to lower Canglangpuan)
    Beginning International Stage:  
Cambrian Stage 3
    Fraction Up In Beginning Stage:  
0
    Beginning Date:  
519.38
    Ending Stage in Treatise Usage:  
Lower Cambrian (“Lower Cambrian” in Trilobite volume of Treatise = current Cambrian Epoch 2 of international scale) (upper Qiongzhusian to lower Canglangpuan)
    Ending International Stage:  
Cambrian Stage 3
    Fraction Up In Ending Stage:  
0
    Ending Date:  
515.61


Description

Characters of subfamily: Palpebral lobe long, posterior; fixigena wide. Thorax with 14 to 15 segments; axis narrower than pleural regions; pleural spines progressively curved backward; fulcrum proximal. Pygidium small; axis short with 1 or 2 rings; posterior border with pair of small or large spines.




References



Museum or Author Information