Gerarus Temporal range:
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Gerarus collaris | |
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†Gerarus
Scudder, 1885
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Gerarus is an extinct genus of Archaeorthopteran insect, and is one of the most abundant genera of Carboniferous insects. [1] 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. [1]