Hepatics from Rovno amber (Ukraine), 2. Acrolejeunea ucrainica sp. nov.
Yuriy S. Mamontov, Jochen S. Heinrichs, Alfons Schäfer-Verwimp, Michael S. Ignatov, Evgeny E. Perkovsky

Literature Cited
Aleksandrova, G. N. & N. I. Zaporozhets. 2008 a. Palynological characteristics of Upper Cretaceous and Paleogene deposits on the west of the Sambian Peninsula (Kaliningrad region), Part 1. Stratigraphy and Geological Correlation 16: 295 316. Google Scholar, Crossref
Aleksandrova, G. N. & N. I. Zaporozhets. 2008. b. Palynological characteristics of Upper Cretaceous and Paleogene deposits on the west of the Sambian Peninsula (Kaliningrad region), Part 2. Stratigraphy and Geological Correlation 16: 528 539. Google Scholar, Crossref
FRAHM, J.-P. 2006. Neue Moosfunde aus baltischem Bernstein. – Limprichtia 29: 119-129.Google Scholar
FRAHM, J.-P. 2010. Die Laubmoosflora des baltischen Bernsteinwaldes. – Weissdorn, Jena, 91 pp.Google Scholar
GRADSTEIN, S.R. 1975. A taxonomic monograph of the genus Acrolejeunea (Hepaticae) with an arrangement of genera of Ptychanthoideae. – Bryophyt. Biblioth. 4: 1-216.Google Scholar
GRADSTEIN, S.R. 1993. New fossil Hepaticae preserved in amber of the Dominican Republic. – Nova Hedwigia 57: 353-374.Google Scholar, www
GRADSTEIN, S.R. 2013. A classification of Lejeuneaceae based on molecular and morphological evidence. – Phytotaxa 100: 6-20.Google Scholar, Crossref
GRADSTEIN, S. R., X.-L. HE, S. PIIPPO & M. MIZUTANI. 2002. Bryophyte flora of the Huon Peninsula, Papua New Guinea. LXVIII. Lejeuneaceae subfamily Ptychanthoideae (Hepaticae). – Acta Bot. Fenn. 174: 1-88.Google Scholar
GROLLE, R. 1984a. Bryopteris and Cyclolejeunea fossils in the Dominican amber. – J. Hattori Bot. Lab. 56: 271-280.Google Scholar
GROLLE, R. 1984b. Lejeunea palaeomexicana n. sp., das erste Moos aus Mexikanischem Bernstein. – Stuttgarter Beitr. Naturk., B 108: 1-7.Google Scholar
GROLLE, R. 1993. Bryopteris bispinosa sp. nov. (Lejeuneaceae), another liverwort from Dominican amber. – J. Hattori Bot. Lab. 74: 71-76.Google Scholar
GROLLE, R. & K. MEISTER. 2004. The liverworts in Baltic and Bitterfeld amber. – Weissdorn, Jena. 91 pp.Google Scholar
HEINRICHS, J. & A. R. SCHMIDT. 2010. An inclusion of Frullania subgen. Diastaloba s.l. (Frullaniaceae, Porellales) in Dominican amber. – Trop. Bryol. 31: 91-94.Google Scholar
Ignatov, M.S. & E.E. Perkovsky. 2011. Mosses from Rovno amber (Ukraine). Arctoa 20: 1–18.Google Scholar, Crossref
KONSTANTINOVA, N.A., M.S. IGNATOV & E.E. PERKOVSKY. 2012. Hepatics from Rovno amber (Ukraine). Arctoa 21: 265–271.Google Scholar, Crossref
KOSMOWSKA-CERANOWICZ, B. 1999. Succinite and some other fossil resins in Poland and Europe (deposits, finds, features and differences in IRS). – Estud.l Mus. Cienc. Nat. Alava 14(2): 73-117.Google Scholar
KOZUB, D., V. KHMELIK, YU. SHAPOVAL, V. CHENTSOV, S. YATSENKO, B. LITOVCHENKO & V. STARYKH. 2008. Helicon Focus Software. http://www.heliconsoft.comGoogle Scholar, www
PERKOVSKY, E.E., V.Yu. ZOSIMOVICH & A.P. VLASKIN. 2003. Rovno amber insects: first results of analysis. – Russ. Entomol. J. 12(2): 119-126.Google Scholar
PERKOVSKY, E.E., A.P. RASNITSYN, A.P. VLASKIN & M.V. TARASCHUK 2007. A comparative analysis of Baltic and Rovno amber arthropod faunas: perspective samples. – Afr. Invert. 48: 229-245.Google Scholar
PERKOVSKY, E.E., V.Yu. ZOSIMOVICH & A.P. VLASKIN. 2010. Rovno amber. – In: Penney, D. (ed.) Biodiversity of fossils in amber from the major world deposits. Siri Sci. Press, Manchester: 116-136.Google Scholar
REINER-DREHWALD, M.E., A.R. SCHMIDT & J. HEINRICHS. 2012. The genus Lejeunea in Miocene amber from the Dominican Republic. – Cryptog. Bryol. 33: 33-38.Google Scholar, Crossref
RENNER, M.A.M. 2013. A new subspecies of Acrolejeunea arcuata, and notes on typification, synonymy, and distribution of other Australasian Lejeuneaceae. – Phytotaxa 83: 39-53.Google Scholar, Crossref
WILSON, R., J. HEINRICHS, J. HENTSCHEL, S.R. GRADSTEIN & H. SCHNEIDER. 2007. Steady diversification of derived liverworts under Tertiary climatic fluctuations. – Biol. Lett. 3: 566-569.Google Scholar, Crossref