description Diplagnostus Overview
Diplagnostus is an extinct genus of small agnostid trilobites, classified in the family Diplagnostidae. It is known mainly from Middle Cambrian marine strata, with named species and records reported from Scandinavia, Australia, Argentina, North Greenland, and other regions. Because agnostoid species commonly have restricted stratigraphic ranges, Diplagnostus occurrences are used with associated trilobites to compare and correlate Cambrian successions across different paleocontinents. [Agnostid systematics](https://fileserver-az.core.ac.uk/download/235892924.pdf)
help Diplagnostus FAQ
What is Diplagnostus?
Diplagnostus is an extinct genus of small agnostid trilobites classified in the family Diplagnostidae. It is known mainly from Middle Cambrian marine strata.
Where have Diplagnostus fossils been found?
Named species and records are reported from Scandinavia, Australia, Argentina, North Greenland, and other regions. These finds show that the genus had a broad geographic record in Cambrian seas.
When did Diplagnostus live?
Diplagnostus is known mainly from the Middle Cambrian. Its fossils occur in marine strata from that part of the Cambrian Period.
Why does Diplagnostus matter in fossil studies?
Diplagnostus helps document the distribution and diversity of agnostid trilobites in the Middle Cambrian. Its records also support comparisons between marine rock sequences from different regions.
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