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Published on Jul 1, 2019in Cretaceous Research 2.12
Xiangdong Zhao1
Estimated H-index: 1
(CAS: Chinese Academy of Sciences),
Xianye Zhao1
Estimated H-index: 1
(CAS: Chinese Academy of Sciences)
+ 1 AuthorsBo Wang (CAS: Chinese Academy of Sciences)
Abstract The fossil record of Gyrinidae is not poor, with 19 species having been reported previously: here, however, we recognize the first whirligig beetle larva in mid-Cretaceous amber from Myanmar. Cretogyrus beuteli gen. et sp. nov. is described based on a well-preserved individual, differing from other gyrinid larvae by a combination of the following characters: mandibles large; neck region wide; two pairs of nasalean teeth present; cardo moderately elongated; series of small hooks on the l...
Published on Jan 1, 2019in Cretaceous Research 2.12
Tong Bao1
Estimated H-index: 1
(CAS: Chinese Academy of Sciences),
Katarzyna S. Walczyńska1
Estimated H-index: 1
(University of Gdańsk)
+ 2 AuthorsJes Rust16
Estimated H-index: 16
(University of Bonn)
Abstract Primaevomordellida burmitina gen. et sp. nov. (Coleoptera: Mordellidae) is described on the base of two well-preserved specimens from Cenomanian Burmese amber. Due to the general body plan and the preservation of elongated pygidium, it is apparently the first true pintail beetle (subfamily Mordellinae). The simple hind leg structures placed the new species into the basal tribe Raynoldsiellini; however, the comparative morphology of the new species shows advanced characters similar to tr...