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Temporal range: Carboniferous
|Wikispecies has information related to: Gerarus|
Gerarus is one of the most abundant genera of Carboniferous insects. They had a wingspan of up to 10 centimetres (4 in), and an inflated thorax armed with sharp spines up to 1 millimetre (0.04 in) long.
- Christopher Taylor (May 13, 2009). "All About Gerarus". Catalogue of Organisms. Retrieved March 26, 2010.
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