Marchantites huolinhensis sp. nov. (Marchantiales) – A new fossil liverwort with gemma cups from the Lower Cretaceous of Inner Mongolia, China

Li, Ruiyun; Sun, Bainian; Wang, Hongshan; Ying, He; Yang, Guanglei; Yan, Daojiang; Lin, Zhicheng

doi:10.1016/j.cretres.2014.03.007

Cited by 20 publications

(16 citation statements)

References 44 publications

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“…& Robison, Schuster and Janssens, 1989). Cretaceous fossils of thallose liverworts are more numerous but generally poorly preserved (Fletcher et al, 2008;Li et al, 2014Li et al, , 2016Tomescu, 2016) and can hardly be aligned with extant genera or families (Laenen et al, 2014;Villarreal et al, 2016). Considering the importance of the Cretaceous for the evolution of epiphytic lineages of liverworts and our scarce knowledge on the morphology of these plants, an extension of the Cretaceous fossil record of liverworts is very desirable.…”

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confidence: 99%

A Burmese amber fossil of <i>Radula</i> (Porellales, Jungermanniopsida) provides insights into the Cretaceous evolution of epiphytic lineages of leafy liverworts

et al. 2017

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Abstract. DNA-based divergence time estimates suggested major changes in the composition of epiphyte lineages of liverworts during the Cretaceous; however, evidence from the fossil record is scarce. We present the first Cretaceous fossil of the predominantly epiphytic leafy liverwort genus Radula in ca. 100 Myr old Burmese amber. The fossil's exquisite preservation allows first insights into the morphology of early crown group representatives of Radula occurring in gymnosperm-dominated forests. Ancestral character state reconstruction aligns the fossil with the crown group of Radula subg. Odontoradula; however, corresponding divergence time estimates using the software BEAST lead to unrealistically old age estimates. Alternatively, assignment of the fossil to the stem of subg. Odontoradula results in a stem age estimate of Radula of 227.8 Ma (95 % highest posterior density (HPD): 165.7-306.7) and a crown group estimate of 176.3 Ma (135.1-227.4), in agreement with analyses employing standard substitution rates (stem age 235.6 Ma (142.9-368.5), crown group age 183.8 Ma (109.9-289.1)). The fossil likely belongs to the stem lineage of Radula subg. Odontoradula. The fossil's modern morphology suggests that switches from gymnosperm to angiosperm phorophytes occurred without changes in plant body plans in epiphytic liverworts. The fossil provides evidence for striking morphological homoplasy in time. Even conservative node assignments of the fossil support older rather than younger age estimates of the Radula crown group, involving origins for most extant subgenera by the end of the Cretaceous and diversification of their crown groups in the Cenozoic.

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confidence: 99%

A Burmese amber fossil of <i>Radula</i> (Porellales, Jungermanniopsida) provides insights into the Cretaceous evolution of epiphytic lineages of leafy liverworts

et al. 2017

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“…& Robison, Marchantites arcuatus Cantrill, M. huolinhensis Rui Y.Li & B.N.Sun, M. jimboi (Krysht.) Krysht., M. taenioides Cantrill, M. undulatus Cantrill and Striatothallus adnicanicus Krassilov (Krassilov, ; Oostendorp, ; Cantrill, ; Li et al, ). On the other hand, Khasurtythallus differs from all of these taxa in the presence of ventral‐intercalary branching via apical innovations.…”

Section: Resultsmentioning

confidence: 99%

How to rely on the unreliable: Examples from Mesozoic bryophytes of Transbaikalia

Mamontov

Ignatov

2019

J of Sytematics Evolution

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Three new fossil bryophytes are described from Jurassic and Lower Cretaceous deposits of the Transbaikalia region of Russia. The complex thalloid hepatic Khasurtythallus monosolenioides gen. et sp. nov. belongs to the Marchantiidae, but its combination of characters precludes unequivocal placement in any of the five orders of this subclass, representing most likely an extinct lineage. Paleaethallus squarrosus gen. et sp. nov. is a thalloid plant with scales similar to those of complex thalloid hepatics, although their arrangement and the overall plant structure has little in common with any extant hepatics. Dispersed moss capsules, three of which have attached calyptrae, are described as a form genus Kulindobryum gen. nov. Despite incomplete preservation, some rare characters indicate possible relationship to the genus Tayloria of the Splachnaceae, an extant family of mosses adapted to grow on animal dung, dead bodies and bones. Notably, Kulindobryum co‐occurs with bones of the small feathered dinosaurs Kulindadromeus, which also supports an affiliation of Kulindobryum with the Splachnaceae. The most common and best known Mesozoic moss for the region, the genus Bryokhutuliinia, is appraised for its systematic position and probable affinities with the Dicranales. A scoring approach is introduced for the comparative method of taxonomic placement of fossils with partial suites of morphological characters at the family or order level.

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“…et Váňa, Phytotaxa 81 (1): 20, 2013(see Söderström et al 2013b Konstantinova & Vasiljev 1994). Li et al 2014). "Holotype.…”

Section: Heteroscyphus Ammophilusunclassified

Early Land Plants Today: Index of Liverworts & Hornworts 2013–2014

2016

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A widely accessible list of known plant species is a fundamental requirement for plant conservation and has vast applications. An index of published names of liverworts and hornworts between 2013 and 2014 is provided as part of a continued effort in working toward producing a world checklist of this group. The list includes 50 higher taxa, 361 species, 82 infraspecific taxa, and 50 infraspecific autonyms for 2013 and 2014. Three of them are fossils. Five older names not included in the earlier indices are included. Three illegitimate and 13 invalid names are also included. New to science are 105 species and 22 infraspecific taxa.

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Marchantites huolinhensis sp. nov. (Marchantiales) – A new fossil liverwort with gemma cups from the Lower Cretaceous of Inner Mongolia, China

Cited by 20 publications

References 44 publications

A Burmese amber fossil of <i>Radula</i> (Porellales, Jungermanniopsida) provides insights into the Cretaceous evolution of epiphytic lineages of leafy liverworts

A Burmese amber fossil of <i>Radula</i> (Porellales, Jungermanniopsida) provides insights into the Cretaceous evolution of epiphytic lineages of leafy liverworts

How to rely on the unreliable: Examples from Mesozoic bryophytes of Transbaikalia

Early Land Plants Today: Index of Liverworts & Hornworts 2013–2014

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Marchantites huolinhensis sp. nov. (Marchantiales) – A new fossil liverwort with gemma cups from the Lower Cretaceous of Inner Mongolia, China

Cited by 20 publications

References 44 publications

A Burmese amber fossil of &lt;i&gt;Radula&lt;/i&gt; (Porellales, Jungermanniopsida) provides insights into the Cretaceous evolution of epiphytic lineages of leafy liverworts

A Burmese amber fossil of &lt;i&gt;Radula&lt;/i&gt; (Porellales, Jungermanniopsida) provides insights into the Cretaceous evolution of epiphytic lineages of leafy liverworts

How to rely on the unreliable: Examples from Mesozoic bryophytes of Transbaikalia

Early Land Plants Today: Index of Liverworts &amp; Hornworts 2013–2014

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A Burmese amber fossil of <i>Radula</i> (Porellales, Jungermanniopsida) provides insights into the Cretaceous evolution of epiphytic lineages of leafy liverworts

A Burmese amber fossil of <i>Radula</i> (Porellales, Jungermanniopsida) provides insights into the Cretaceous evolution of epiphytic lineages of leafy liverworts

Early Land Plants Today: Index of Liverworts & Hornworts 2013–2014