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names in breadcrumbs
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Xiangqianaspis
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Xiangqianaspis hunanensis Zhang et al. 1980
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Body symmetry
cellularity
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first appearance
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last appearance
mineralized skeleton contains
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number of fossil occurrences
skeleton contains
last appearance
Paleobiology Database
513 million years ago
(min)
Paleobiology Database
cambrian stage 4 age
URI:
http://resource.geosciml.org/classifier/ics/ischart/CambrianStage4
Attribution:
International Chronostratigraphic Chart: http://www.stratigraphy.org/index.php/ics-chart-timescale
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