Articles | Volume 20, issue 2
https://doi.org/10.5194/fr-20-147-2017
https://doi.org/10.5194/fr-20-147-2017
Research article
 | 
12 Apr 2017
Research article |  | 12 Apr 2017

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)

Kathrin Feldberg, Jiří Váňa, Alfons Schäfer-Verwimp, Michael Krings, Carsten Gröhn, Alexander R. Schmidt, and Jochen Heinrichs

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Cited articles

Aranda, S. C., Gradstein, S. R., Patiño, J., Laenen, B., Désamoré, A., and Vanderpoorten, A.: Phylogeny, classification and species delimitation in the liverwort genus Odontoschisma (Cephaloziaceae), Taxon, 63, 1008–1025, 2014.
Bechteler, J., Lee, G. E., Schäfer-Verwimp, A., Pócs, T., Peralta, D. F., Renner, M. A. M., Schneider, H., and Heinrichs, J.: Towards a monophyletic classification of Lejeuneaceae IV: reinstatement of Allorgella, transfer of Microlejeunea aphanella to Vitalianthus and refinements of the subtribal classification, Pl. Syst. Evol., 302, 187–201, 2016.
Blumenstengel, H.: Zur Palynologie und Stratigraphie der Bitterfelder Bernsteinvorkommen (Tertiär), Exkf. Veröff. Dt. Ges. Geowiss., 224, p. 17, 2004.
Bromham, L., Cowman, P. F., and Lanfear, R.: Parasitic plants have increased rates of molecular evolution across all three genomes, BMC Evol. Biol., 13, 126, https://doi.org/10.1186/1471-2148-13-126, 2013.
Caspary, R.: Einige neue Pflanzenreste aus dem samländischen Bernstein, Schr. Phys.-Ökon. Ges. Königsberg, 27, 1–8, 1887.
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Short summary
A revision of amber fossils assigned to Cylindrocolea dimorpha has yielded evidence of the presence of underleaves, which have not previously been reported for this species and conflict with the current circumscription of the family. We transfer the fossil species to Odontoschisma and propose the new combination O. dimorpha. Our reclassification concurs with hypotheses on the divergence times of Cephaloziaceae derived from DNA sequence data.