Pleuroceras spinatum (Bruguière 1789)- Amaltheidae; Pyritic specimen. biozone index to the end of Pliensbachian. Stage : Pliensbachian from 189,6 ± 1,5 Ma to -183,0 ± 1,5 Ma (million years ago) (Domerian) Locality: Lanuéjols, Gard, France Size : 4.5x3.8x1.45 cm 30.6g