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ARTICLE IN PRESS
                                M.R. Palombo, M.P. Ferretti / Quaternary International 126–128 (2005) 107–136  119

          primigenius of which it represents one of the earliest  The Italian M. primigenius sample (Table 6)is
          occurrences in Italy (see below). The remainder of the  characterized by M3–m3 with a number of plates
          material (Campo Verde and Capri) is represented by   ranging from 20 to 24 (excluding talons), and thus does
          molars whose characters fall in the overlap zone between  not include specimens showing the extreme values (27–
          M. trogontherii and M. primigenius and could then    28) recorded in central European and northern Asian
          belong to either of these two species.               populations. Mean values for enamel thickness of M3–
            In conclusion, with the exception of the Tarquinia  m3 is around 2 mm, while lamellar frequency is greater
          skull, it is not possible, in our view, to provide a precise  than 7 (modal values 8–9). A mandible from the Adda
          systematic placement for these late Middle Pleistocene  River near Cremona (Late Pleistocene; Caretto and
          mammoths from the present material. Indeed, more     Giacobini, 1983; MCSNM) shows a slender but
          specimens are needed to solve this issue.            relatively long symphyseal rostrum (Fig. 10), indicating
                                                               persistence of primitive morphologies among the Italian
          2.1.5. M: primigenius (Blumenbach, 1799)             woolly mammoth population.
            Garutt et al. (1990) proposed as neotype of M.
          primigenius a complete skeleton from the latest Pleisto-  2.1.6. Elephas ðPalaeoloxodonÞ antiquus Falconer and
          cene of Siberia. Late woolly mammoth populations are  Cautley, 1847
          characterized by a smaller size with respect to older  The type specimen is an incomplete mandible from
          Mammuthus species and/or samples (Maschenko, 2002;   England. The exact locality is unknown. However, from
          Lister, 1996a; Kulczycki, 1955). M. primigenius is   its preservation the mandible might have been retrived
          characterized by its strongly curved tusks, M3–m3 with  from terrace deposits of the Thames River, at Grays, a
          (19) 20–27 plates (average 24), and an average lamellar  locality correlated with the late Middle Pleistocene (Paul
          frequency of 8. Enamel thickness in M3–m3 is usually  Davies and Adrian Lister, personal communication,
          less than 2.3–2.5 mm.                                2003). Knowledge of the skeletal and dental variability
            In Italy, abundant, though isolated remains (mostly  of this species is however based on the more abundant
          representing molars and post-cranials) of M. primigenius  material from continental Europe, especially from
          are known from Bucine (Arezzo; De Giuli, 1983; Mazza,  Germany and Italy. The skull is characterized by a flat
          1998; IGF, NHMB, MPF), Arezzo (various sites;        dorsal profile, double-domed vertex, and specialized
          Ferretti, 2000; IGF, MAA), and the Po Valley (various  anatomy of the forehead, which is characterized by the
          sites, especially between Pavia and Cremona; Airaghi,  occurrence of a strong parieto-frontal ridge (but see
          1917; Anelli, 1947; Sacchi Vialli and Pizzochero, 1958;  below for intraspecific variability of this feature). The
          Sala, 1986; Reggiani, 1995; MDSTP, MCSNM). Un-       premaxillaries are fan shaped and extremely wide
          fortunately, during the Second World War many        distally. The jugal arch is relatively slender. The
          specimens from the Po valley, housed at MCSNM,       mandible is short with a weakly developed symphyseal
          and from Arezzo, housed at MAA, were destroyed.      beak. Tusks are large, and weakly curved. The molars
          Among the latter material, also an incomplete skull went  are hypsodont (HI 1.8–2.0 in M3), with a relatively
          lost (Ricci, 1901a; Ferretti, 2000). Juvenile woolly  narrow crown, characteristically wrinkled enamel with a
          mammoth material was retrieved from a cave deposit   mean thickness of 2.6–2.7 mm in M3–m3. M3 possess an
          at Podere Cardamone, Lecce (Botti, 1890; Vaufrey,    average of 16 plates with a maximum at 19–20. Incipient
          1927; Rustioni et al., 2003; MPB; ITCL). Other       wear figures on the occlusal surface are formed by a
          occurrences of woolly mammoth in Italy are those from  large oval central loop and two small lateral loops. At
          Torrente Conca (Cattolica; Ferretti, 1997; MTR), Asolo  an intermediate wear stage, complete enamel loops on
          (Treviso; Reggiani and Sala, 1992; MCSNV), Riparo    the occlusal surface are usually either of the convex–
          Tagliente (Verona; Reggiani and Sala, 1992; MCSNV),  convex or convex–concave type (according to the
          Montecatini Terme (Lucca; Ricci, 1901b; IGF), Marche  terminology of Kalb and Mebrate, 1993), even though
          (various sites; Ferretti, in progress), Canale delle Acque  variability is great. On both the anterior and posterior
          Alte (Pianura Pontina, Latina; Palombo, 1994), Sette-  enamel crest of each loop, one to two acute enamel folds
          polesini di Bondeno (Ferrara; Gallini and Sala, 2001;  are frequently present.
          DSTF), Buca delle Iene (Alpi Apuane, Massa Carrara),   The Italian material of E. (P.) antiquus currently
          and Arene Candide (Savona; Cassoli and Tagliacozzo,  available provides detailed knowledge of the entire skull
          1994). Excluding Asolo, where a partial skeleton was  and skeleton of this species, together with ontogenetic
          found (Reggiani and Sala, 1992), all other localities  details. In particular, comparisons of juvenile and adult
          yielded only isolated dental and skeletal remains. The  skulls clarify the development of the frontal ridge in
          material listed above can be confidently referred to M.  adults, a unique feature of this group. Complete E. (P.)
          primigenius on the basis of the derived character of the  antiquus skeletons were found in diatomaceous deposits
          molars, namely elevated plate count, high lamellar   cropping out at Riano (Maccagno, 1962b; MPR) and
          frequency and thin enamel (Fig. 10).                 Grotte S. Stefano-Fonte Campanile (Viterbo; Trevisan,
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