Two new species of mid-Cretaceous webspinners in amber from northern Myanmar (Embiodea: Clothodidae, Oligotomidae)

被引:14
|
作者
Engel, Michael S. [1 ,2 ,3 ]
Huang, Diying [4 ]
Breitkreuz, Laura C. V. [1 ,2 ]
Cai, Chenyang [4 ]
Alvarado, Mabel [1 ,2 ]
机构
[1] Univ Kansas, Museum Nat Hist, Div Entomol, Lawrence, KS 66045 USA
[2] Univ Kansas, Dept Ecol & Evolutionary Biol, Lawrence, KS 66045 USA
[3] Amer Museum Nat Hist, Div Invertebrate Zool, New York, NY 10024 USA
[4] Chinese Acad Sci, Nanjing Inst Geol & Palaeontol, State Key Lab Palaeobiol & Stratig, Nanjing 210008, Peoples R China
基金
中国国家自然科学基金; 美国国家科学基金会;
关键词
Cenomanian; Clothodidae; Embioptera; Oligotomidae; Polyneoptera; Taxonomy; CRETACEOUS AMBER; EMBIOPTERA INSECTA; EARLY EOCENE; WING BASE; PHYLOGENY; MANTOPHASMATODEA; CLASSIFICATION; EMBIIDINA; INDIA;
D O I
10.1016/j.cretres.2015.10.007
中图分类号
P5 [地质学];
学科分类号
0709 ; 081803 ;
摘要
Two new genera and species of Cretaceous webspinners (Embiodea) are described and figured, both preserved in amber from northern Myanmar. Atmetoclothoda orthotenes Engel and Huang, gen. et sp. nov., is the first fossil representative of the putatively primitive family Clothodidae, and is segregated into its own subfamily, Atmetoclothodinae Engel and Huang, subfam. nov., owing to its primitive retention of a distinct mentum, a quadrate submentum with straight borders, a postocciptal suture that meets the hypostomal sulcus at the posterior tentorial pit, and subgenae that do not meet medially (thus a ventral bridge or gula is lacking), completely symmetrical terminalia, and unsegmented cerci that apically bear a small inner lamellar projection. Litoclostes delicatus Engel and Huang, gen. et sp. nov., is the first definitive fossil of Oligotomidae (not including a subfossil species in Pleistocene copal and which is likely synonymous with an extant taxon), and differs from modern genera in a combination of head, tarsal, and terminalic morphology. The new fossil species double the known Cretaceous fossils and add a further two families to the Mesozoic record for the order. (C) 2015 Elsevier Ltd. All rights reserved.
引用
收藏
页码:118 / 124
页数:7
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