Triskelia scotlandica, an enigmatic Rhynie chert microfossil revisited

Krings, Michael

doi:10.1007/s12542-020-00531-w

Cited by 4 publications

(1 citation statement)

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“…A truly enigmatic fossil from the Rhynie chert is Triskelia scotlandica, an acritarch-like structure with a prominent surface ornamentation. The form had been initially described as a green algal resting stage (Strullu-Derrien et al ., 2021), but the subsequent discovery of specimens that occur in situ in prominent swellings of fungal hyphae provided strong evidence that it was not algal, but rather fungal in nature (Krings, 2021). Moreover, specimens with a discharge tube suggest that T. scotlandica may be a zoosporangium or resting spore stage of an endoparasite (Fig.…”

Section: Other Unidentified Fungimentioning

confidence: 99%

Fossils of parasitic fungi

Luo

Haelewaters

Krings

2022

Preprint

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Parasitic fungi occur in virtually every ecosystem, where they can significantly affect the functions of other organisms. Fungal parasites were probably also widespread in the geologic past. However, evidence of fossil fungi and their ecological roles is relatively rare. Here we demonstrate a spectrum of (putative) parasitic relationships in ancient continental ecosystems, using fossil examples of Chytridiomycota, zygomycetous fungi, Basidiomycota, and Ascomycota, along with several fungal fossils whose affinities remain unknown, from different periods of the Phanerozoic. Although many of the hosts no longer exist, the fungi involved mostly appear morphologically very similar to extant forms.

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Section: Other Unidentified Fungimentioning

confidence: 99%