The nature of the archedictyon is an important consideration in the taxonomic classification of the large , primitive Palaeozoic insects known as Palaeodictyoptera and was used by Adolphe-Théodore Brongniart for this purpose as early as 1854 .
The nature of the archedictyon is an important in the taxonomic classification of the large , primitive Palaeozoic insects known as Palaeodictyoptera .