It has been estimated that this insect order accounted for 50 % of the insect biomass in some locations , but the available evidence might be misleading. .
During their relatively brief period of existence , the Megasecoptera were rather successful .
Megasecoptera has been estimated that this insect order accounted for 50 % of the insect biomass in some locations , but the available evidence might be misleading. .
During their relatively brief period of existence , the Megasecoptera were rather successful .