Search Results - "MICHAEL KRINGS"

An unusual specimen of the enigmatic fungal reproductive unit Windipila spinifera from the Lower Devonian Rhynie cherts of Scotland by Krings, Michael

“…Windipila spinifera from the Rhynie cherts is a spheroidal microfossil enveloped in a hyphal mantle from which extend prominent spines and otherwise shaped…”
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Evidence of profuse bark shedding in Dicroidium seed ferns (Umkomasiales) from the Triassic of Antarctica by Hiller, Philipp, Krings, Michael, Kerp, Hans, Feng, Zhuo, Bomfleur, Benjamin

“…During the 11th German Antarctic North Victoria Land Expedition in 2015/16, exceptionally well-preserved permineralized Kykloxylon stems—the wood of the iconic…”
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Alectorioid Morphologies in Paleogene Lichens: New Evidence and Re-Evaluation of the Fossil Alectoria succini Mägdefrau by Kaasalainen, Ulla, Heinrichs, Jochen, Krings, Michael, Myllys, Leena, Grabenhorst, Heinrich, Rikkinen, Jouko, Schmidt, Alexander R

“…One of the most important issues in molecular dating studies concerns the incorporation of reliable fossil taxa into the phylogenies reconstructed from DNA…”
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A fossil species of the enigmatic early polypod fern genus Cystodium (Cystodiaceae) in Cretaceous amber from Myanmar by Regalado, Ledis, Schmidt, Alexander R., Appelhans, Marc S., Ilsemann, Bork, Schneider, Harald, Krings, Michael, Heinrichs, Jochen

“…The monospecific fern genus Cystodium (Cystodiaceae; Polypodiales) occurs exclusively in the tropical forests of the Malay Archipelago, the Admiralty Islands,…”
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Fossil evidence of eupolypod ferns in the mid-Cretaceous of Myanmar by Regalado, Ledis, Schmidt, Alexander R., Krings, Michael, Bechteler, Julia, Schneider, Harald, Heinrichs, Jochen

“…Divergence time estimates based on DNA sequence variation of extant species suggest that eupolypod ferns were diverse already in the Cretaceous; however,…”
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Filamentous cyanobacteria preserved in masses of fungal hyphae from the Triassic of Antarctica by Harper, Carla J, Taylor, Edith L, Krings, Michael

“…Permineralized peat from the central Transantarctic Mountains of Antarctica has provided a wealth of information on plant and fungal diversity in Middle…”
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Reproductive Organs and In Situ Spores of Asteroxylon mackiei Kidston & Lang, the Most Complex Plant from the Lower Devonian Rhynie Chert by Kerp, Hans, Wellman, Charles H., Krings, Michael, Kearney, Patricia, Hass, Hagen

“…Asteroxylon mackiei is the largest and most complex vascular land plant from the Lower Devonian Rhynie Chert. Fertile remains were first reported nearly 40…”
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Molecular and Morphological Evidence Challenges the Records of the Extant Liverwort Ptilidium pulcherrimum in Eocene Baltic Amber by Heinrichs, Jochen, Scheben, Armin, Lee, Gaik Ee, Váňa, Jiří, Schäfer-Verwimp, Alfons, Krings, Michael, Schmidt, Alexander R

“…Preservation of liverworts in amber, a fossilized tree resin, is often exquisite. Twenty-three fossil species of liverworts have been described to date from…”
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Systematics and Paleoecology of a New Peltaspermalean Seed Fern from the Triassic Polar Vegetation of Gondwana by Bomfleur, Benjamin, Taylor, Edith L., Taylor, Thomas N., Serbet, Rudolph, Krings, Michael, Kerp, Hans

“…A new Triassic seed fern is described on the basis of a large collection of well-preserved plant compressions from the Upper Triassic of Mt. Falla, Queen…”
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Algae from the Lower Devonian Rhynie chert: Harpericystis verecunda gen. et sp. nov., a probable green alga (Chlorophyta) that forms few-celled colonies by Krings, Michael

“…The Lower Devonian Rhynie chert preserves a remarkable diversity of microorganisms from an early terrestrial ecosystem. However, eukaryotic microalgae are…”
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Further observations on stalked microfossils from the Lower Devonian Rhynie cherts that resemble the algae Characiopsis (Eustigmatophyceae) and Characium (Chlorophyceae) by Krings, Michael

“…The Lower Devonian Rhynie cherts yield abundant fossils of many different microorganisms. One of them is an oblong cell (up to 15 μm long) on a slender stipe;…”
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Algae from the Lower Devonian Rhynie chert: Populations of a probable saccoderm desmid (Mesotaeniaceae, Zygnematales) preserved in a microbial mat by Krings, Michael

“…Green algae must have been taxonomically diverse in the Early Devonian Rhynie ecosystem; however, documented evidence of this is rare. Rhyniotaenium velatum…”
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Stigonema (Nostocales, Cyanobacteria) in the Rhynie chert (Lower Devonian, Scotland) by Krings, Michael

“…Filamentous cyanobacteria are morphologically diverse. The most complex morphologies occur in the genus Stigonema (Stigonemataceae, Nostocales), which is…”
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Peculiar bundles and a knot of thin filaments in microbial mats from the Lower Devonian Rhynie and Windyfield cherts of Scotland by Krings, Michael

“…Microbial mats are common as fossils in the aquatic facies of the Lower Devonian Rhynie and Windyfield cherts. The framework-builder of these structures was…”
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Microfossils With Suggested Affinities To The Pyramimonadales (Pyramimonadophyceae, Chlorophyta) From The Lower Devonian Rhynie Chert by Kustatscher Evelyn, Dotzler Nora, Taylor Thomas N., Krings Michael

“…An assemblage of unusual microfossils occurs within an accumulation of plant debris, hyphae, and various types of propagules in the Early Devonian Rhynie…”
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Morphological and functional stasis in mycorrhizal root nodules as exhibited by a Triassic conifer by Schwendemann, Andrew B, Decombeix, Anne-Laure, Taylor, Thomas N, Taylor, Edith L, Krings, Michael

“…Mycorrhizal root nodules occur in the conifer families Araucariaceae, Podocarpaceae, and Sciadopityaceae. Although the fossil record of these families can be…”
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Endophytic cyanobacteria in a 400-million-yr-old land plant: A scenario for the origin of a symbiosis? by Krings, Michael, Hass, Hagen, Kerp, Hans, Taylor, Thomas N., Agerer, Reinhard, Dotzler, Nora

“…Direct evidence for the origin and evolution of land plant/cyanobacterial symbioses is virtually absent from the fossil record. Here we report on rare…”
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GINKGOPHYTES FROM THE UPPER PERMIAN OF THE BLETTERBACH GORGE (NORTHERN ITALY) by KATHLEEN BAUER, EVELYN KUSTATSCHER, RAINER BUTZMANN, THILO C. FISCHER, JOHANNA H.A. VAN KONIJNENBURG-VAN CITTER, MICHAEL KRINGS

“…Fossil evidence of late Palaeozoic ginkgophytes is rare; Palaeozoic floras in which ginkgophytes are abundant or represent a predominant element have not…”
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Palaeolyngbya kerpii sp. nov., a large filamentous cyanobacterium with affinities to Oscillatoriaceae from the Lower Devonian Rhynie chert by Krings, Michael

“…The Lower Devonian Rhynie chert contains abundant fossil evidence of cyanobacteria. However, only a few of these fossils have been described. A newly…”
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Problems related to the taxonomic placement of incompletely preserved amber fossils: transfer of the Paleogene liverwort Cylindrocolea dimorpha (Cephaloziellaceae) to the extant Odontoschisma sect. Iwatsukia (Cephaloziaceae) by Feldberg, Kathrin, Váňa, Jiří, Schäfer-Verwimp, Alfons, Krings, Michael, Gröhn, Carsten, Schmidt, Alexander R, Heinrichs, Jochen

“…A revision of the Baltic and Bitterfeld amber fossils assigned to Cylindrocolea dimorpha (Cephaloziellaceae) has yielded evidence of the presence of…”
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