Journal
REVIEW OF PALAEOBOTANY AND PALYNOLOGY
Volume 302, Issue -, Pages -Publisher
ELSEVIER
DOI: 10.1016/j.revpalbo.2022.104664
Keywords
Bitterfeld amber; Fossil lichens; Palaeoecology; Physciaceae
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Funding
- Alexander von Humboldt Foundation
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Lichens play a significant role in modern terrestrial ecosystems, but their fossil records have been limited. However, recent discoveries of new fossil inclusions from European Palaeogene ambers have greatly improved the fossil record of lichens. This study reports the first fossil evidence of animal-lichen interactions from Bitterfeld amber in central Germany.
Lichens are important in many modern terrestrial ecosystems, but their fossil record has been very sparse. This has limited the chances for finding any evidence of their interactions with animals in past ecosystems. Recently, the fossil record of lichens has improved significantly with the discovery of numerous new inclusions from European Palaeogene ambers. Here, we report the first fossil evidence of animal-lichen interactions from one new fossil from Bitterfeld amber of central Germany. A foliose fossil lichen, possibly belonging to the Physciaceae, exhibits three feeding marks and co-preserved invertebrate faecal pellets. To gain insights into this Palaeogene lichen-invertebrate interaction, we compared the fossil grazing damage and faecal pellets to those obtained from several extant lichen feeders, including mites, collembolans, psocopterans, coleopteran larvae and gastropods. The results of the grazing experiments suggest that gastropods and mites most likely caused the feeding marks preserved in the fossil lichen. (c) 2022 Published by Elsevier B.V.
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