Acastoides is an extinct genus of trilobite that lived during the Silurian and Devonian. It has been found in Bolivia, France, Morocco, Poland, Turkey and the United Kingdom.

Distribution

• A. constricta is found in the Silurian of the United Kingdom (Wenlock, Woolhope Shale, Worcestershire, Malvern).

Taxonomy

Species previously assigned to Acastoides

• A. verneuili = Calmonia terrarocenai

References

External links

• Photos of

• at the Paleobiology Database