description Lonchodomas Overview
Lonchodomas is an extinct Ordovician trilobite genus in the raphiophorid group of the order Asaphida. Its defining feature is a long, straight, sword-like frontal spine formed by an anterior extension of the glabella; species also have five thoracic segments and a relatively short pygidium. Fossils are reported from parts of Europe, North America, and Argentina, making the genus relevant to studies of unusual Ordovician trilobite form.
help Lonchodomas FAQ
What is the distinctive feature of Lonchodomas?
Lonchodomas has a long, straight, sword-like frontal spine formed by an extension of the glabella. This anterior spine is one of the genus's clearest identifying traits.
When did Lonchodomas live?
Lonchodomas was an Ordovician trilobite genus. It belongs to the raphiophorid group within the order Asaphida.
How many thoracic segments did Lonchodomas have?
Species of Lonchodomas had five thoracic segments. They also had a relatively short pygidium compared with the long frontal spine.
Which trilobite group includes Lonchodomas?
Lonchodomas is placed in the raphiophorid group of the order Asaphida. Its long frontal spine and five-segment thorax help separate it from other asaphid trilobites.
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