description Pagetiellus Overview
Pagetiellus is a small extinct trilobite genus associated with the agnostid family Pagetiidae in older Cambrian classifications. It is linked with early Cambrian faunas of Siberia and has also appeared in discussions of Laurentian material, making the name relevant to comparisons among regional biostratigraphic schemes. Descriptions emphasize a rounded cephalon with a marginal border, a smooth or finely punctate surface, and a weakly defined egg-shaped glabella; some later accounts treat Pagetiellus as an earlier name associated with Delgadella.
help Pagetiellus FAQ
What is Pagetiellus?
Pagetiellus is a small extinct trilobite genus associated with the agnostid family Pagetiidae in older classifications. It is linked mainly with early Cambrian fossil faunas.
Where have Pagetiellus fossils been reported?
The genus is associated with early Cambrian faunas of Siberia and has also appeared in discussions of Laurentian material. Its records are important for comparing trilobite communities across ancient regions.
What are agnostid trilobites?
Agnostids were small trilobites with a compact body plan and similar-looking cephalon and pygidium. They are often used in biostratigraphy because some agnostid species had relatively useful time ranges.
Why can the classification of Pagetiellus be difficult?
Early Cambrian trilobite classification has changed as new specimens and regional comparisons became available. Pagetiellus has been discussed in older family schemes and in comparisons between Siberian and Laurentian material.
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