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Type: Article
Published: 2020-06-30
Page range: 317–331
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New data on fossil mimarachnids (Hemiptera, Fulgoromorpha, Fulgoroidea) in mid-Cretaceous Burmese amber

University of Chinese Academy of Science, Beijing 100049, China State Key Laboratory of Palaeobiology and Stratigraphy, Center for Excellence in Life and Paleoenvironment, Nanjing Institute of Geology and Palaeontology, Chinese Academy of Sciences, Nanjing 210008, China
State Key Laboratory of Palaeobiology and Stratigraphy, Center for Excellence in Life and Paleoenvironment, Nanjing Institute of Geology and Palaeontology, Chinese Academy of Sciences, Nanjing 210008, China
Hemiptera Fulgoromorpha Fulgoroidea Mimarachnidae Cretodorus gen. nov. Burmissus Mesozoic Myanmar


Mimarachnidae is an extinct planthopper family of the superfamily Fulgoroidea, with ten genera from the Cretaceous of Eurasia. Here, we describe a new genus, Cretodorus gen. nov. and two new species, Cretodorus granulatus sp. nov. and C. angustus sp. nov., on the basis of four specimens from the mid-Cretaceous amber of northern Myanmar. This remarkable genus can be separated from all other mimarachnids as follows: moderately elongate head, anteriorly protruded pronotum with straight lateral carinae, and unbranched MP of tegmen. Additionally, a new species of Burmissus Shcherbakov, 2017, Burmissus latimaculatus sp. nov., is described from the same Burmese amber, and the morphological characters of Burmissus szwedoi Luo, Jiang, Wang & Xiao, 2020 are supplemented for pronotum, clypeus, rostrum, and legs. These new discoveries enrich the palaeodiversity of mimarachnid planthoppers to fifteen species, ten of which are described from the mid-Cretaceous Burmese amber, suggesting that this extinct family remained highly diverse during this period.


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