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Cheiruroides
Classification
Phylum:
Unknown
Class:
Trilobata
Order:
Corynexochida
Superfamily:
Unknown
Family:
Oryctocephalidae
Formal Genus Name and Reference:
Cheiruroides KOBAYASHI, 1935
Type Species:
Atops orientalis Resser & Endo in Kobayashi, 1935 (=Arthricocephalus? primigenius SAITO, 1934)
Images
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Synonyms
Geographic Distribution
Manch.-Korea
Age Range
Beginning Stage in Treatise Usage:
L.Cam. (“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:
L.Cam. (“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:
100
Ending Date:
509
Description
Glabella broad, parallel-sided with 3 pairs of lateral furrows, of which 2 connect across glabella, occipital ring short, fixigenae triangular, palpebral lobes small, at level of glabellar mid-point. Thorax of ?14 segments, pleurae rounded. Pygidium small, transverse, with rounded margin. L.Cam., Manch.-Korea (97).
References
Museum or Author Information
Classification
Phylum:
Unknown
Class:
Trilobata
Order:
Corynexochida
Superfamily:
Unknown
Family:
Oryctocephalidae
Formal Genus Name and Reference:
Cheiruroides KOBAYASHI, 1935
Type Species:
Atops orientalis Resser & Endo in Kobayashi, 1935 (=Arthricocephalus? primigenius SAITO, 1934)
Images
(Click to enlarge in a new window)Synonyms
Geographic Distribution
Manch.-Korea
Age Range
Beginning Stage in Treatise Usage:
L.Cam. (“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:
L.Cam. (“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:
100
Ending Date:
509
Description
Glabella broad, parallel-sided with 3 pairs of lateral furrows, of which 2 connect across glabella, occipital ring short, fixigenae triangular, palpebral lobes small, at level of glabellar mid-point. Thorax of ?14 segments, pleurae rounded. Pygidium small, transverse, with rounded margin. L.Cam., Manch.-Korea (97).