Journal
PALEONTOLOGICAL JOURNAL
Volume 44, Issue 5, Pages 526-533Publisher
PLEIADES PUBLISHING INC
DOI: 10.1134/S0031030110050072
Keywords
Dytiscidae; new subfamily; Mesozoic; Yixian Formation; China
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Funding
- Russian Foundation for Basic Research [07-04-92105-GFEN_a]
- National Natural Science Foundation of China [40872022, 30811120038]
- Nature Science Foundation of Beijing [5082002]
- Beijing Municipal Commission of Education
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A new subfamily of predaceous diving beetles, Liadytiscinae subfam. nov., including two genera and four species, Liadytiscus gen. nov. (L. cretaceus sp. nov., L. longitibialis sp. nov., and L. latus sp. nov.) and Liadroporus gen. nov. (L. elegans sp. nov.), from the Late Tithonian-Berriasian (Huangbanjigou, Yixian Formation) of China is described. Two new genera, Mesoderus gen. nov. with two species, M. magnus sp. nov. and M. ventralis sp. nov., and Sinoporus gen. nov. with one species, S. lineatus sp. nov., are also described; their position in the system of Dytiscidae remains uncertain. Relationships of the taxa described with Recent and fossil taxa of the same rank and some presumable ecological features of the new taxa are discussed.
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