Welcome to the Treatise on Invertebrate Paleontology!
Please enter a genera name to retrieve more information.

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
Images
(Click to enlarge in a new window)
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
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
Images
(Click to enlarge in a new window)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.