缅甸语
飞虱
生物
半翅目
主席台
白垩纪
属
动物
植物
古生物学
语言学
哲学
作者
Yanzhe Fu,Diying Huang
出处
期刊:Palaeoentomology
[Magnolia Press]
日期:2020-06-30
卷期号:3 (3): 317-331
被引量:10
标识
DOI:10.11646/palaeoentomology.3.3.12
摘要
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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