University of Bristol logo and link Fossil Groups banner and link

Redlichiida



Glossary of trilobite terms

Term Definition
Arthropoda Group including insects, crustaceans, spiders, scorpions, and horse shoe crabs, etc; both living and extinct examples
Cephalon Trilobite head; anterior end
Exoskeleton The hard mineralised shell most commonly found fossilised; for protection and attachment of soft tissues
Hypostome Plate on underside of trilobite in front of mouth
Pygidium Tail region; posterior end
Thorax Mid-region of the exoskeleton; made of several segments
Taxonomic hierachy The system of grouping similar organisms at several layers: phyla, class, orders, family, genera and species



Author: Sue Beardmore
Last updated: 18/11/06

Return to Redlichiida Homepage

Return to Fossil groups home page


Websites produced by students on the MSc Palaeobiology programme in the Department of Earth Sciences at the University of Bristol for academic year 2006-7