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Yiliangellina
Classification
Phylum:
Unknown
Class:
Trilobata
Order:
Redlichiida
Superfamily:
Redlichioidea
Family:
Gigantopygidae
Formal Genus Name and Reference:
Yiliangellina W. CHANG, 1966, p. 162, 170
Type Species:
Y. formosa, OD, holotype (W. Chang, 1966, pl. 6, fig. 4), 18187, NIGP, Nanjing
Images
(Click to enlarge in a new window)
Fig. 290,1. *Y. formosa, eastern Yunnan (Yiliang); holotype, cranidium, thorax, and pygidium, × 6 (W. Chang, 1966).
Synonyms
Geographic Distribution
China (eastern Yunnan), Drepanuroides Zone.
Age Range
Beginning Stage in Treatise Usage:
Lower Cambrian (“Lower Cambrian” in Trilobite volume of Treatise = current Cambrian Epoch 2 of international scale) (lower Canglangpuan)
Beginning International Stage:
Cambrian Stage 3
Fraction Up In Beginning Stage:
0
Beginning Date:
517.75
Ending Stage in Treatise Usage:
Lower Cambrian (“Lower Cambrian” in Trilobite volume of Treatise = current Cambrian Epoch 2 of international scale) (lower Canglangpuan)
Ending International Stage:
Cambrian Stage 3
Fraction Up In Ending Stage:
0
Ending Date:
515.61
Description
broad, smooth glabella, long (sag.), slightly depressed preglabellar field, a longer eye lobe, shorter (exs.) posterior area of fixigena
References
Museum or Author Information
Classification
Phylum:
Unknown
Class:
Trilobata
Order:
Redlichiida
Superfamily:
Redlichioidea
Family:
Gigantopygidae
Formal Genus Name and Reference:
Yiliangellina W. CHANG, 1966, p. 162, 170
Type Species:
Y. formosa, OD, holotype (W. Chang, 1966, pl. 6, fig. 4), 18187, NIGP, Nanjing
Images
(Click to enlarge in a new window)
Fig. 290,1. *Y. formosa, eastern Yunnan (Yiliang); holotype, cranidium, thorax, and pygidium, × 6 (W. Chang, 1966).
Synonyms
Geographic Distribution
China (eastern Yunnan), Drepanuroides Zone.
Age Range
Beginning Stage in Treatise Usage:
Lower Cambrian (“Lower Cambrian” in Trilobite volume of Treatise = current Cambrian Epoch 2 of international scale) (lower Canglangpuan)
Beginning International Stage:
Cambrian Stage 3
Fraction Up In Beginning Stage:
0
Beginning Date:
517.75
Ending Stage in Treatise Usage:
Lower Cambrian (“Lower Cambrian” in Trilobite volume of Treatise = current Cambrian Epoch 2 of international scale) (lower Canglangpuan)
Ending International Stage:
Cambrian Stage 3
Fraction Up In Ending Stage:
0
Ending Date:
515.61
Description
broad, smooth glabella, long (sag.), slightly depressed preglabellar field, a longer eye lobe, shorter (exs.) posterior area of fixigena