On the systematic position and taxonomic rank of the extinct myxophagan †Haplochelus (Coleoptera)

in Insect Systematics & Evolution
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Abstract

†Haplochelus georissoides was described as the first fossil myxophagan beetle. We re-evaluated the systematic position based on an extensive morphological data set. A clade †Haplochelus+Lepicerus is very strongly supported. Both genera share a number of highly unusual apomorphies. This lineage is more uniform than the myxophagan families Torridincolidae and Hydroscaphidae. Therefore, we synonymize Haplochelidae. Lepiceridae (incl. †Haplochelus) are placed as sister-group of the remaining myxophagan families. An origin of the group in the Jurassic is likely considering the systematic position of Myxophaga and Lepiceridae.

On the systematic position and taxonomic rank of the extinct myxophagan †Haplochelus (Coleoptera)

in Insect Systematics & Evolution

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