description Ectillaenus Overview
Ectillaenus is a genus of illaenid trilobites known from the Ordovician and Silurian fossil record of Europe. It was described by John William Salter in 1866 and is associated with the smooth, rounded body form characteristic of many illaenids. The genus is recognized by features including a broad cephalon and a substantial thorax, making it relevant to studies of post-Cambrian trilobite diversity and regional European faunas.
help Ectillaenus FAQ
What is Ectillaenus?
Ectillaenus is a genus of illaenid trilobites known from the Ordovician and Silurian fossil record of Europe. Illaenids are often recognized by their smooth, rounded body form.
When was Ectillaenus described?
John William Salter described Ectillaenus in 1866. The genus is known from European fossil localities spanning the Ordovician and Silurian periods.
What did Ectillaenus look like?
Descriptions associate Ectillaenus with the smooth and rounded body shape common among many illaenid trilobites. That overall form contrasts with more strongly ornamented trilobite groups.
Which fossil periods contain Ectillaenus?
Ectillaenus is recorded from both the Ordovician and Silurian. Those periods followed the Cambrian and are part of the Paleozoic Era.
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