Monura is an extinct suborder of wingless insects in the order

Archaeognatha The Archaeognatha are an order of apterygotes, known by various common names such as jumping bristletails. Among extant insect taxa they are some of the most evolutionarily primitive; they appeared in the Middle Devonian period at about the sa ...

. They resembled their modern relatives, the

silverfish The silverfish (''Lepisma saccharinum'') is a species of small, primitive, wingless insect in the order Zygentoma (formerly Thysanura). Its common name derives from the insect's silvery light grey colour, combined with the fish-like appearance ...

, and had a single lengthy filament projecting from the end of the

abdomen The abdomen (colloquially called the belly, tummy, midriff, tucky or stomach) is the part of the body between the thorax (chest) and pelvis, in humans and in other vertebrates. The abdomen is the front part of the abdominal segment of the torso. ...

. They also had a pair of leg-like cerci and some non-ambulatory abdominal appendages. The largest specimens reached or more, not counting the length of the filament.

Taxonomy

* Suborder †Monura Sharov 1957 stat. nov. Carpenter 1992 ** Family † Dasyleptidae Sharov 1957 *** Genus †''

Tonganoxichnus ''Tonganoxichnus'' (‘Tonganoxie, Kansas trace’) is a Pennsylvanian to Permian trace fossil that has been found in North America. The ichnogenus originally included two ichnospecies found in close association. ''T. buildexensis'' is interpre ...

'' Mángano et al. 1997 (ichnotaxa) *** Genus †'' Dasyleptus'' Brongniart 1885

References

Entognatha Carboniferous insects Pennsylvanian insects Permian insects Paleozoic insects of North America Carboniferous animals of North America Permian animals of North America Extinct insect orders Pennsylvanian first appearances Permian extinctions {{carboniferous-animal-stub