Dasyleptus is an extinct genus of wingless insects in the order Archaeognatha, and the only member of the family Dasyleptidae. They resembled their modern relatives and had a single lengthy filament projecting from the end of the abdomen. They also had a pair of leg-like cerci and some non-ambulatory abdominal appendages. The largest specimens reached 30 millimetres (1.2 in) or more, not counting the length of the filament.[2] Dasyleptus was formerly placed in its own extinct order, Monura, but this is now treated as a suborder of Archaeognatha.[3][4]
| Dasyleptus Temporal range: | |
|---|---|
 | |
| Dasyleptus sp. fossil | |
Scientific classification  | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Arthropoda |
| Class: | Insecta |
| Order: | Archaeognatha |
| Suborder: | †Monura Sharov, 1957 |
| Family: | †Dasyleptidae Sharov, 1957 |
| Genus: | †Dasyleptus Brongniart, 1885 |
| Species | |
See text. | |
| Synonyms | |
Lepidodasypus Durden, 1978 | |
Species
The genus includes the following species:[3][1]
- Dasyleptus artinskianus Engel, 2009 – Early Permian (Artinskian), Wellington Formation, Kansas, United States
- Dasyleptus brongniarti Sharov, 1957 – Middle Permian (Roadian), Mitina Formation, Kuznetsk Basin, Russia
- Dasyleptus lucasi Brongniart, 1885 (type species) – Late Carboniferous (Gzhelian), Commentry Shales, France
- Dasyleptus noli Rasnitsyn, 2000 – Late Carboniferous (Gzhelian), Commentry Shales, France
- Dasyleptus rowlandi Rasnitsyn in Rasnitsyn et al., 2004 – Early Permian (Asselian), Bursum Formation, New Mexico, United States
- Dasyleptus sharovi (Durden, 1978) – Early Permian (Artinskian), Wellington Formation, United States
- Dasyleptus sinensis Liu et al., 2021[5] – Late Permian/Early Triassic, Kayitou Formation, China
- Dasyleptus triassicus Bechly & Stockar, 2011 – Middle Triassic (Ladinian), Meride Limestone, Monte San Giorgio, Switzerland
See also
- Tonganoxichnus, a trace fossil attributed to Monura