Palaeoenvironmental Analysis Of The Messinian Macrofossil Floras Of Tossignano And Monte Tondo (Vena Del Gesso Basin, Romagna Apennines, Northern Italy) Author Teodoridis, Vasilis Charles University in Prague, Faculty of Education, Department of Biology and Environmental Studies, Magdalény Rettigové 4, 116 39 Prague 1, the Czech Republic; e-mail: vasilis. teodoridis @ pedf. cuni. cz Author Kvaček, Zlatko Charles University in Prague, Faculty of Science, Institute of Geology and Palaeontology, Albertov 6, 128 43, Prague 2, the Czech Republic; e-mail: kvacek @ natur. cuni. cz Author Sami, Marco Museo Civico di Scienze Naturali, Via Medaglie d’Oro 51, 480 18 Faenza (RA); Italy; e-mail: marco. sami @ cheapnet. it Author Utescher, Torsten Senckenberg Research Institute, Frankfurt am Main; Steinmann Institute, University of Bonn, Nussallee 8, 531 15 Bonn, Germany; e-mail: utescher @ geo. uni-bonn. de Author Martinetto, Edoardo Dipartimento di Scienze della Terra, Università degli Studi di Torino. Via Valperga Caluso 35, I- 10123 Torino, Italy; e-mail: edoardo. martinetto @ unito. it text Acta Musei Nationalis Pragae Series B 2015 2015-12-31 71 3 - 4 249 292 https://www.mendeley.com/catalogue/24628ce2-d0a9-3b24-8b6c-c42c9e0f0bfd/ journal article 10.14446/AMNP.2015.249 2533-4069 13183696 Zelkova zelkovifolia ( UNGER ) BŮŽEK et KOTLABA Pl. 7, Fig. 1–2 Leaves simple, shortly petiolate, elliptic to ovate, asymmetrical, 24 to 54 mm long and 14 to 34 mm wide, base widely cuneate to slightly cordate, apex shortly acute to acuminate, margin coarsely simple dentate to serrate, venation craspedodromous, midrib strong, moderate, straight, secondary veins distinct, alternate, straight or curved, at angles of 40–60°, tertiary veins straight, thin, often alternate percurrent, venation of the higher orders regular polygonal reticulate, areolation well developed, areoles 3- or 4-sided, veinlets not preserved. Coarsely simple dentate-serrate leaves with craspedodromous secondary veins more widely spaced than in Ulmus are typical traits of Zelkova zelkovifolia , widely distributed in the Oligocene and Neogene of Europe (e.g., Kvaček et al. 2011). M a t e r i a l. Leaf impressions (Monte Tondo MSF2007, MSF2008, MSF2009, MSF2010, MSF2011, MSF2012).