Summary
Isograptus victoriae was one of eight fossils nominated to become Victoria's state fossil emblem in 2021. It was first described from Castlemaine, Victoria. It is the key index fossil used internationally to define the Darriwilian (467-458 million years ago), a stage in the lower Middle Ordovician and the only international stage name that comes from Australia.
Specimen Details
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Taxon Name
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Author and date of publication
Harris, 1933
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Identified By
Mr Alfons H. VandenBerg - Geological Survey of Victoria
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Number Of Specimens
1
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Category
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Scientific Group
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Discipline
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Collecting Areas
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Type of Item
Taxonomy
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Kingdom
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Phylum
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Class
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Order
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Family
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Genus
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Species Name
victoriae
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Subspecies
maximus
Geospatial Information
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Continent
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Country
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State
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District
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Town
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Era
Palaeozoic
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Period
Ordovician
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Epoch
Early
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Stage
Castlemainian, Ca3
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Geological group
Castlemaine Group
