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A fossil Aspergillus from Baltic amber.

Heinrich Dörfelt1, Alexander R Schmidt

  • 1Martin-Luther-Universität Halle, Institut für Geobotanik und Botanischer Garten, Neuwerk 21, D-06108 Halle/Saale, Germany.

Mycological Research
|September 24, 2005
PubMed
Summary

A fossil springtail (Collembola) preserved in Eocene Baltic amber is overgrown by a newly discovered Aspergillus fungus species, A. collembolorum. This remarkable find highlights fungal preservation in ancient resins.

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Area of Science:

  • Paleomycology
  • Paleontology
  • Entomology

Background:

  • Fossilized fungi provide insights into ancient ecosystems.
  • Amber inclusions offer exceptional preservation of biological specimens.
  • Aspergillus species are common and ecologically significant fungi.

Purpose of the Study:

  • To describe a new fossil species of Aspergillus found in Baltic amber.
  • To investigate the mode of preservation of fungal structures in fossil resin.
  • To contribute to the understanding of fossil fungi and their interactions with arthropods.

Main Methods:

  • Microscopic examination of a Baltic amber inclusion.
  • Morphological analysis of the fungal structures, including conidiophores.
  • Taxonomic description of the fossil Aspergillus species.

Main Results:

  • Discovery of a springtail (Collembola) inclusion in Eocene Baltic amber.
  • Identification and description of a new fossil Aspergillus species, Aspergillus collembolorum sp. nov.
  • Observation of exceptionally preserved conidiophores, suggesting sporulation in liquid resin.

Conclusions:

  • Aspergillus collembolorum represents a new species of fossil fungus from the Eocene epoch.
  • Liquid resin provided an ideal medium for the exceptional preservation of fungal sporulation structures.
  • This discovery adds to the limited record of fossil Aspergillus and highlights amber's potential for preserving microfossils.

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