Archostemata
Archostemata is the smallest suborder of beetles. There are less than fifty known species.
| Archostemata Temporal range: | |
|---|---|
 | |
| Tenomerga mucida | |
Scientific classification  | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Arthropoda |
| Class: | Insecta |
| Order: | Coleoptera |
| Suborder: | Archostemata Kolbe, 1908 |
| Families | |
|
Crowsoniellidae | |
Archostemata is an ancient lineage with a number of primitive characteristics. They are similar to the first beetles, which appear in the fossil record about 250 million years ago. The suborder contains the only paedogenic beetles, Micromalthus debilis.
These beetles are rare. Fossil deposits from the Permian suggest that Archostemata were once much more common and were widespread over the globe. The species which remain are just scattered vestiges of their former population.
"Abundant cladistic and fossil evidence shows the Archostematans are the basal suborder of [true] beetles",[1]
References
- Grimaldi D. and Engel M.S. 2005. Evolution of the insects. Cambridge University Press, 363. ISBN 0-521-82149-5
- White, Richard E. 1983. A field guide to beetles of North America. Houghton Mifflin.
Other websites
Wikispecies has information on: Archostemata.
- Tree of Life - Archostemata Archived 2018-08-22 at the Wayback Machine
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