FIG. 7 in Late Pliensbachian (Early Jurassic) ammonites from Lac de Charmes (Haute-Marne, France): Systematic, biostratigraphy and palaeobiogeography

FIG. 7. — Pleuroceras spinatum (Bruguière, 1789): A, specimen UPMC-189, Outcrop 1, bed 13. Pleuroceras solare (Phillips, 1829); B, C, specimen UPMC-190, Outcrop 1, bed 13; D, E, specimen UPMC-200, Outcrop 1, bed 16. Pleuroceras solare trapezoidiforme (Maubeuge, 1951); F, G, specimen UPMC-202, Outcrop 1, bed 16. Pleuroceras cf. spinatum (Bruguière, 1789); H, I, specimen UPMC- 201, Outcrop 1, bed 16. Scale bar: 1 cm. The arrows indicate the beginning of the body chamber.