Ammonite

$125.00

Asteroceras Obtusum.

Extinct group of marine animals. They have been used as index fossils because it is possible to link the rock layer in which they are found to specific geological time periods. Because these animals and their close relatives are extinct little is known about their way of life.

Product Description

Asteroceras Obtusum.

Extinct group of marine animals. They have been used as index fossils because it is possible to link the rock layer in which they are found to specific geological time periods. Because these animals and their close relatives are extinct little is known about their way of life.

Additional Information

Origin

Dorset, England

Date

Early Jurassic Period: 200 Million Years Ago

Fossil

Y

Dimensions

1.5″ x 1.5″ – Specimen 3.5″ x 6″ x 1″ – Matrix