Project 4429: X. Guo, P. A. Selden, D. Ren. 2022. New specimens from Mid-Cretaceous Myanmar amber illuminate the phylogenetic placement of Lagonomegopidae (Arachnida: Araneae). Zoological Journal of the Linnean Society. 195 (2):399-416.
Abstract
New lagonomegopid spiders are described from Mid-Cretaceous Myanmar (Burmese) amber. Two new genera and species based on single specimens, Scopomegops fax gen. & sp. nov. and Hiatomegops spinalis gen. & sp. nov. are described. Two specimens belonging to Lineaburmops beigeli are further described. Additionally, after re-examining the holotype of Odontomegops titan, a detailed description of its basal ventral abdomen is added here. A phylogenetic analysis was performed to investigate the phylogenetic placement of Lagonomegopidae. A matrix of 79 morphological characters, scored for six lagonomegopid taxa and 26 non-lagonomegopid taxa, was analysed through parsimony and Bayesian phylogenetic inference. Our results recover extant Palpimanoidea as a monophyletic group and partly suggest that Lagonomegopidae is the sister-group to extant Palpimanoidea. The external sexual organs, retrolateral tibial apophysis on the male palp and tracheal spiracle in lagonomegopids are discussed.Read the article »
Article DOI: 10.1093/zoolinnean/zlab027
Project DOI: 10.7934/P4429, http://dx.doi.org/10.7934/P4429
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MorphoBank Project 4429
MorphoBank Project 4429
- Creation Date:
03 October 2022 - Publication Date:
03 October 2022 - Project views: 5203
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- Natural History Museum, London
- Capital Normal University
- University of Kansas
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