A new phylogeny of the cladoxylopsid plexus: contribution of an early cladoxylopsid from the Lower Devonian (Emsian) of Quebec.
Sign Up to like & getrecommendations! Published in 2021 at "American journal of botany"
DOI: 10.1002/ajb2.1752
Abstract: PREMISE Cladoxylopsids formed Earth's earliest forests and gave rise to the ancestors of sphenopsids and ferns. Lower Devonian (Emsian) strata of the Battery Point Formation (Quebec, Canada) contain new anatomically preserved cladoxylopsids, one of which… read more here.
Keywords: devonian emsian; new phylogeny; cladoxylopsid; cladoxylopsid plexus ... See more keywords
Revisiting the spore assemblages from the Lower Devonian Posongchong Formation of Wenshan, Yunnan Province, southwestern China
Sign Up to like & getrecommendations! Published in 2017 at "Earth and Environmental Science Transactions of the Royal Society of Edinburgh"
DOI: 10.1017/s1755691018000233
Abstract: ABSTRACT The Lower Devonian Posongchong Formation (Wenshan, Yunnan Province, southwestern China) consists of a series of continental deposits with an outstanding plant megafossil diversity. More than 20 years ago, this formation was interpreted as ‘Siegenian'… read more here.
Keywords: posongchong formation; formation; spore assemblages; devonian posongchong ... See more keywords
A Lungfish (Sarcopterygii, Dipnomorpha) Tooth Plate from the Lower Devonian of Vietnam and the Onset of Modern Dipnoan Dental Organization
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Vertebrate Paleontology"
DOI: 10.1080/02724634.2020.1772274
Abstract: ABSTRACT An isolated pterygoid tooth plate of a lungfish from the Lower Devonian (Lochkovian–Pragian) of Vietnam is described. The material is negatively preserved and lacks associated jawbones to assign a reliable taxonomic status and phylogenetic… read more here.
Keywords: vietnam; tooth; tooth plate; organization ... See more keywords
Qushiaspis, a new genus of gantarostrataspid fish (galeaspida, stem-gnathostomata) from the Lower Devonian of Yunnan, China
Sign Up to like & getrecommendations! Published in 2021 at "Historical Biology"
DOI: 10.1080/08912963.2021.1888086
Abstract: A new genus and species of the Galeaspida Qushiaspis elaia gen. et sp. nov. is described from the Lower Devonian Xujiachong Formation of Qujing, Yunnan Province, southwestern China. The new genus d... read more here.
Keywords: new genus; gantarostrataspid fish; genus gantarostrataspid; qushiaspis new ... See more keywords
Archaeosporites rhyniensis gen. et sp. nov. (Glomeromycota, Archaeosporaceae), from the Lower Devonian Rhynie chert - a fungal lineage morphologically unchanged for more than 400 million years.
Sign Up to like & getrecommendations! Published in 2020 at "Annals of botany"
DOI: 10.1093/aob/mcaa113
Abstract: BACKGROUND AND AIMS Structurally preserved arbuscular mycorrhizas from the Lower Devonian Rhynie chert represent core fossil evidence of the evolutionary history of mycorrhizal systems. Moreover, Rhynie chert fossils of glomeromycotan propagules suggest that this lineage… read more here.
Keywords: devonian rhynie; lower devonian; archaeosporites rhyniensis; rhynie chert ... See more keywords
New Atrypids (Brachiopoda) from the Lower Devonian of Northeast Russia
Sign Up to like & getrecommendations! Published in 2018 at "Paleontological Journal"
DOI: 10.1134/s0031030118030024
Abstract: New atrypids are described from the Lower Devonian of Northeast Russia: Musalitinispira, gen. nov. with type species M. dogdensis, sp. nov. (subfamily Atrypinae), Spinatrypina (Spinatrypina) krivensis, sp. nov., and Datnella, gen. nov. with type species… read more here.
Keywords: devonian northeast; new atrypids; northeast russia; lower devonian ... See more keywords
Ornamentation and Shell Microstructure of Orbiculoidea magnifica Mergl (Brachiopoda, Lingulida) from the Lower Devonian of the Timan–Pechora Basin
Sign Up to like & getrecommendations! Published in 2019 at "Paleontological Journal"
DOI: 10.1134/s0031030119030122
Abstract: The organophosphate-shelled brachiopods are for the first time described from the Lower Devonian (Lochkovian) of the Timan–Pechora Basin. Several shells preserved both protegulum and brephic shell. The shell microstructure of the Early Devonian Orbiculoidea cf.… read more here.
Keywords: pechora basin; timan pechora; lower devonian; shell ... See more keywords
Spines of the stem chondrichthyan Doliodus latispinosus (Whiteaves) comb. nov. from the Lower Devonian of eastern Canada
Sign Up to like & getrecommendations! Published in 2017 at "Canadian Journal of Earth Sciences"
DOI: 10.1139/cjes-2017-0059
Abstract: The higher taxonomic affinities of fin spines from the Lower Devonian (Emsian) Atholville beds, Campbellton Formation, near Campbellton, New Brunswick, Canada, originally identified as Ctenacanthus latispinosus, have been uncertain since they were first described by… read more here.
Keywords: chondrichthyan doliodus; canada; latispinosus; stem chondrichthyan ... See more keywords
The lithostratigraphy of the lower Devonian formations of the Eisleck region (northern Luxembourg). Comparison with their Belgian lateral equivalents
Sign Up to like & getrecommendations! Published in 2017 at "Geologica Belgica"
DOI: 10.20341/gb.2017.001
Abstract: 1. IntroductionThe Grand-Duchy of Luxembourg is divided into two main geographical regions, the Eisleck (Oesling in German) to the north (32% of the area) and the Guttland to the south (68% of the area). They… read more here.
Keywords: eisleck region; region; lithostratigraphy lower; luxembourg ... See more keywords
Low-Temperature Fluorocarbonate Mineralization in Lower Devonian Rhynie Chert, UK
Sign Up to like & getrecommendations! Published in 2023 at "Minerals"
DOI: 10.3390/min13050595
Abstract: Rare earth element (REE) fluorocarbonate mineralization occurs in lacustrine shales in the Lower Devonian Rhynie chert, Aberdeenshire, UK, preserved by hot spring silicification. Mineralization follows a combination of first-cycle erosion of granite to yield detrital… read more here.
Keywords: low temperature; rhynie chert; fluorocarbonate mineralization; lower devonian ... See more keywords