Corpus ID: 90198159

Head morphology of the smallest beetles (Coleoptera: Ptiliidae) and the evolution of sporophagy within Staphyliniformia)

@article{Yavorskaya2017HeadMO,
  title={Head morphology of the smallest beetles (Coleoptera: Ptiliidae) and the evolution of sporophagy within Staphyliniformia)},
  author={M. Yavorskaya and R. Beutel and A. A. Polilov},
  journal={Arthropod Systematics & Phylogeny},
  year={2017},
  volume={75},
  pages={417-434}
}
Ptiliidae include the smallest known beetles. External and internal head structures of species with different body sizes and feeding prefer­ ences were examined and described in detail. Saprophagous and sporophagous species are compared. The observed features are evaluated with respect to their phylogenetic and functional significance, and their correlation with extreme size reduction. A putative autapomorphy of Staphyliniformia is an unusual extrinsic maxillary muscle, which among ptiliids is… Expand
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