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- Title
Early post-embryonic polyxenidan millipedes from Saxonian amber (Eocene).
- Authors
HAUG, JOACHIM T.; HAUG, CAROLIN; NEUMANN, CHRISTIAN; SOMBKE, ANDY; HÓRNIG, MARIE K.
- Abstract
Early post-embryonic stages of arthropods are rarely found in the fossil record. They seem even more rarely reported in literature, possibly as it is more difficult to establish new species based on these specimens. Here we report two imma-ture specimens of polyxenidan myriapods (Diplopoda, Polyxenida) preserved in Saxonian amber (Eocene). Specimen 1 represents a stage I individual with only three pairs of trunk appendages, the collum and three additional tergites. It is in-terpreted as a representative of the polyxenidan ingroup Polyxenidae. Specimen 2 represents a stage II individual with four pairs of trunk appendages, the collum and three well-sclerotised tergites. It is interpreted as a representative of the polyxenidan ingroup Synxenidae. We additionally discuss the challenges of further systematically interpreting immatures and fossil polyxenidans in general. We also discuss how the further exploration of data of immature polyxenidans, extant and fossil, has the potential to improve our understanding of their evolution and biology.»
- Subjects
MYRIAPODA; MILLIPEDES; FOSSILS; ARTHROPODA; ZEISS microscopes
- Publication
Bulletin of Geosciences, 2018, Vol 93, Issue 1, p1
- ISSN
1214-1119
- Publication type
Article
- DOI
10.3140/bull.geosci.1646