A stunning example of an ammonite fossil of the species Promicroceras planicosta from the world-famous Jurassic Coast beach of Lyme Regis, Dorset UK.
The piece of limestone matrix measures 135 mm (5.32 inches) across and contains two ammonites that measure 21 mm and 19 mm. The ammonites are very well preserved and have been prepared out of the rock to reveal the shells. Their ribs are very finely defined, and the pale yellow colours are beautiful.
A great example of the species and impressive in the flesh. The fossil weighs 555 grams and has a cut flat base to allow it to stand freely for display.
Around 196 million years old (Sinemurian, Early Jurassic), this fossil would make a wonderful addition to any collection.