Back ثنائيات اللقمة Arabic ثنائيات اللقمه ARZ Dicòndils Catalan Dicondylia German Dicondylia Basque دوکوژگان Persian Dicondylia French Dicondylia Galician Dicondylia Polish Dicondylia Portuguese
| Dicondylia | |
|---|---|
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| Clockwise from top left: dance fly (Empis livida), long-nosed weevil (Rhinotia hemistictus), mole cricket (Gryllotalpa brachyptera), German wasp (Vespula germanica), emperor gum moth (Opodiphthera eucalypti), assassin bug (Harpactorinae) | |
| A chorus of several Magicicada species | |
Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Arthropoda |
| Subphylum: | Hexapoda |
| Class: | Insecta |
| (unranked): | Dicondylia Hennig, 1953 |
| Subgroups | |
| Synonyms | |
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The Dicondylia are a taxonomic group (taxon) that includes all insects except the jumping bristletails (Archaeognatha). Dicondylia have a mandible attached with two hinges to the head capsule (dicondyl), in contrast to a hypothetical ancestral mandible with a single ball joint (monocondyl); the members of Archaeognatha do in fact have dicondylic mandibles, though they are not identical to the structure seen in "true" dicondylic insects.[2]
- ^ Engel, Michael S.; David A. Grimaldi (2004). "New light shed on the oldest insect". Nature. 427 (6975): 627–630. Bibcode:2004Natur.427..627E. doi:10.1038/nature02291. PMID 14961119.
- ^ Blanke, A., Machida, R., Szucsich, N.U., Wilde, F. and Misof, B. (2015) Mandibles with two joints evolved much earlier in the history of insects: dicondyly is a synapomorphy of bristletails, silverfish and winged insects. Syst. Entomol. 40: 357-364. https://doi.org/10.1111/syen.12107
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