Alienopterella stigmatica gen. et sp. nov.: the second known species and specimen of Alienoptera extends knowledge about this Cretaceous order (Insecta: Polyneoptera)
- 12 March 2018
- journal article
- research article
- Published by Taylor & Francis Ltd in Journal of Systematic Palaeontology
- Vol. 17 (6), 491-499
- https://doi.org/10.1080/14772019.2018.1440440
Abstract
Alienoptera have been recently described from mid-Cretaceous amber and are nested phylogenetically inside the Dictyoptera lineage as the sister group of Mantodea. The second known species, Alienopterella stigmatica gen. et sp. nov., is described and illustrated in this contribution based on a male embedded in Cretaceous Burmese amber of earliest Cenomanian age. The well-preserved holotype allows clarification of the characteristics of the order. The first-studied hind wings are derived from the Dictyoptera ground plan. The membrane is transparent, veins are thickened and strongly sclerotized, and between C and SC2 is a conspicuous leathery lancet-shaped pterostigma. The wings are folded longitudinally back on the abdomen between the CuP and AA1 veins in repose. The palaeobiology of Alienoptera is discussed based on the morphology of both known species. Alienopterans are inferred to have lived in trees or bushes with suitable foliage and were probably daytime active, visually oriented predators of small invertebrates. http://zoobank.org/urn:lsid:zoobank.org:pub:5C1E8945-14A9-457C-94A9-96A7C4897068Keywords
Funding Information
- EU structural funding (CZ.1.05/2.1.00/19.0388)
- Ministry of Education, Youth and Sports of the Czech Republic (LO1208)
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