Middle Cambrian
Appearance
English
[edit]Proper noun
[edit]- (geology, dated) An epoch from 513 to 501 million years ago, ending with the first occurrences of Glyptagnostus reticulatus in the fossil record.
Synonyms
[edit]- (epoch): Saint David's, Albertan, Acadian
Translations
[edit]epoch
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Further reading
[edit]- Cambrian Series 3 on Wikipedia.Wikipedia
- Middle_Cambrian at the GeoWhen database
- Glyptagnostus reticulatus at Paleobiology Database