description Homalonotus Overview
Homalonotus is a genus of trilobites known from Silurian and Devonian marine rocks. Its members had a relatively smooth, flattened exoskeleton and an elongated thorax, features that distinguish the genus from many more strongly ornamented trilobites. Homalonotus fossils are particularly associated with European geological deposits and are useful for studying the diversity and distribution of the phacopid trilobites.
help Homalonotus FAQ
What is Homalonotus, and which rocks contain it?
Homalonotus is a genus of trilobites known from marine rocks of the Silurian and Devonian periods. That places it in the Paleozoic fossil record, not among the Cambrian trilobites.
What did a Homalonotus trilobite look like?
Its exoskeleton was relatively smooth and flattened, and its thorax was elongated. Those features help distinguish Homalonotus from more strongly ornamented trilobites.
Why does the elongated thorax matter when identifying Homalonotus?
The thorax is the segmented middle section of a trilobite's body, so its shape is visible in many fossils. In Homalonotus, the elongated thorax is considered together with the smooth, flattened exoskeleton when identifying the genus.
Was Homalonotus a freshwater animal?
No, Homalonotus is associated with marine environments rather than freshwater. Its fossils occur in Silurian and Devonian marine rocks.
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