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Kepingaspis
Classification
Phylum:
Unknown
Class:
Trilobata
Order:
Redlichiida
Superfamily:
Redlichioidea
Family:
Redlichiidae
Formal Genus Name and Reference:
Kepingaspis T. CHANG, 1965, p. 154, 156
Type Species:
K. kepingensis, OD, holotype (T. CHANG, 1965, pl. 1, fig. 1), K-01, XIGMR, Urumqi
Images
(Click to enlarge in a new window)
Fig. 281,4. * K. kepingensis, western Xinjiang (Keping), incomplete dorsal exoskeleton, X_{3} (Chang, 1965).
Synonyms
Geographic Distribution
China (western Xinjiang), Kepingaspis-Tianshanocephalus Zone.
Age Range
Beginning Stage in Treatise Usage:
Lower Cambrian (“Lower Cambrian” in Trilobite volume of Treatise = current Cambrian Epoch 2 of international scale) (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) (Canglangpuan)
Ending International Stage:
Cambrian Stage 4
Fraction Up In Ending Stage:
0
Ending Date:
513.4
Description
Cranidium subtrapezoidal, glabella tapering forward, with well-rounded frontal lobe and oblique glabellar furrows, eye lobe long and arcuate, posterior area of fixigena subtriangular, preglabellar field absent, cranidial border flat, librigena broad (tr.), with advanced genal spine small and short, anterior sections of facial sutures slightly divergent. Thorax with 19 segments, pleural spines short. Pygidium small, with axial ring and terminal piece divided into 2 small swellings.
References
Chang, Taiyung. 1965. A New Lower Cambrian Trilobite from Keping, western Sinkiang. Acta Palaeontologica Sinica 13(1):154-158, pl. 1.
Museum or Author Information
Classification
Phylum:
Unknown
Class:
Trilobata
Order:
Redlichiida
Superfamily:
Redlichioidea
Family:
Redlichiidae
Formal Genus Name and Reference:
Kepingaspis T. CHANG, 1965, p. 154, 156
Type Species:
K. kepingensis, OD, holotype (T. CHANG, 1965, pl. 1, fig. 1), K-01, XIGMR, Urumqi
Images
(Click to enlarge in a new window)
Fig. 281,4. * K. kepingensis, western Xinjiang (Keping), incomplete dorsal exoskeleton, X_{3} (Chang, 1965).
Synonyms
Geographic Distribution
China (western Xinjiang), Kepingaspis-Tianshanocephalus Zone.
Age Range
Beginning Stage in Treatise Usage:
Lower Cambrian (“Lower Cambrian” in Trilobite volume of Treatise = current Cambrian Epoch 2 of international scale) (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) (Canglangpuan)
Ending International Stage:
Cambrian Stage 4
Fraction Up In Ending Stage:
0
Ending Date:
513.4
Description
Cranidium subtrapezoidal, glabella tapering forward, with well-rounded frontal lobe and oblique glabellar furrows, eye lobe long and arcuate, posterior area of fixigena subtriangular, preglabellar field absent, cranidial border flat, librigena broad (tr.), with advanced genal spine small and short, anterior sections of facial sutures slightly divergent. Thorax with 19 segments, pleural spines short. Pygidium small, with axial ring and terminal piece divided into 2 small swellings.
References
Chang, Taiyung. 1965. A New Lower Cambrian Trilobite from Keping, western Sinkiang. Acta Palaeontologica Sinica 13(1):154-158, pl. 1.