Dolniceophis lehmani Rage & Roček, 1983: 17-21 Palaeonatrix lehmani Szyndlar 1987: 60 P . lehmani P . silesiaca Palaeonatrix P . lehmani P . lehmani P . silesiaca Szyndlar, 1982 Amphibians and squamate reptiles from the late early Miocene (MN 4) of Béon 1 (Montréal-du-Gers, southwestern France) Rage, Jean-Claude Bailon, Salvador Geodiversitas 2005 27 3 413 441 Szyndlar 1982 [226,366,268,293] Reptilia Colubridae Palaeonatrix GBIF Animalia Squamata 19 432 Chordata genus      Dolniceophis lehmani Rage & Roček, 1983: 17-21, pls 1-2.    Palaeonatrix lehmani–  Szyndlar 1987: 60, 61, fig. 5.  MATERIAL EXAMINED. — 18 trunk vertebrae (Béon 2004 LT 72, 73).  COMMENTS On the whole, the vertebrae are reminiscent of  N. longivertebrata. However, the base of the haemal keel extends anteriorly as a deep keel, the subcentral ridges reach the condyle, the neural arch is less depressed, and the paradiapophyses strongly project below the centrum. Vertebrae of  P. lehmaniare figured in Rage & Roček 1983(pl. I, II, as  Dolniceophis lehmani), Szyndlar 1987(fig. 2), and Szyndlar & Schleich 1993(fig. 5).    P. lehmaniwas reported from the early Miocene (M N 4) o f D o l n i c e, C z e c h R e p u b l i c, a n d Petersbuch 2, Germany( Szyndlar & Schleich 1993). Another species,  P. silesiaca, is known from the middle Miocene (MN 7+8) of Poland( Szyndlar 1982).   Palaeonatrixaff.  P. lehmaniwas reported from the middle Miocene (MN 6) of Sansan ( Augé & Rage 2000); it could not be referred to  P. lehmaniwithout reservation because several specimens show tendencies toward  P. silesiaca Szyndlar, 1982(sizes of neural canal, condyle and cotyle). The specimens from Béon 1 do not show these tendencies; however, they differ from the typical specimens of the species in having more vaulted neural arches.