Perishinctes SP.

This is an Upper Jurassic (160 million year old) ammonite fossil of the genus Perisphinctes collected in Tulear, Madagascar.

It has been lightly polished to a glossy finish.

Ammonites were shelled cephalopods that died out about 66 million years ago.

Ammonites were born with tiny shells and, as they grew, they built new chambers onto it.

They would move their entire body into a new chamber and seal off their old and now too-small living quarters with walls known as septa.

Size: 8 × 9,5 × 2,5 cm

Period: Middle Jura c. 174 - 163.5 million years

Provenance: Dos & Bertie Winkel collection

Origin: Tulear, Madagascar

Price € 120,—