Belongs within: Plecoptera. The name Grypopterygomorpha was used by Sinitshenkova (2002) for a clade of stoneflies including the modern Antarctoperlaria and its fossil relatives. They are characterised by wings with abundant cross-veins and the presence of both thoracic and abdominal gills in nymphs. Modern Antarctoperlaria are restricted to the Southern Hemisphere but stem grypopterygomorphs were… Continue reading Grypopterygomorpha

Categorised as Plecoptera


Belongs within: Polyneoptera.Contains: Grypopterygomorpha, Arctoperlaria. The Plecoptera, stoneflies, are a group of mostly detritivorous or omnivorous insects with nymphs that are mostly aquatic or, if terrestrial, found in damp habitats. Nymphs respire through often finger-like gills that vary between families in their location on the body. Stoneflies are first known in the fossil record from… Continue reading Plecoptera