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 Acer cf. integerrimum ( VIVIANI ) MASSALONGO Pl. 10, Fig. 13–14 Incomplete leaf and fragments palmately 5-lobed, 51 to 83 mm long and 51 to 98 mm wide, medial and lateral lobes oblong to triangular, apices shortly attenuate and blunt, base deeply cordate with petiole up to 17 mm long, margin entire, sinus rounded, widely opened, venation basal actinodromous, primary veins strong, moderate, secondary veins thinner, alternate, looping, tertiary veins alternate to opposite percurrent, curved to sinuous, venation of the higher orders regular polygonal reticulate, areolation well developed, 3- to 4-sided. The presented pentalobate maple leaves with almost entire-margined lobes fit into the concept of A. integerrimum , as currently accepted (e.g., Bůžek 1971 ). M a t e r i a l. Leaf impressions (Monte Tondo MSF1504, MSF1505, MSF1507).