Orthoceras fossil in matrix
From collection Fossil collection by Lukas Wallentin
Orthoceras fossil in matrix
This paleontological specimen consists of a dark, dense limestone slab containing at least three prominent orthocone nautiloid fossils, commonly known as Orthoceras. The fossils are arranged in a roughly parallel orientation within the matrix. The shells have been prepared by polishing, which reveals the internal anatomical structures, specifically the transverse septa that once divided the gas-filled chambers (phragmocone). The calcified remains of the shells appear in a light grey to white tone, creating a high-contrast aesthetic against the charcoal-colored matrix. The matrix surface has been smoothed around the fossils but retains a rough, natural texture towards the edges of the slab. An additional partial impression or smaller fragment is visible in the upper right section of the stone. The specimen represents an extinct group of cephalopods that lived in the Paleozoic oceans.
Orthoceras sp.
Orthocerida
Devonian
400.00 Mio. Jahre
Erfoud, Morocco
Very good
Mechanically prepared and polished
Demonstrates internal chamber morphology of extinct cephalopods
Erfoud
Morocco
Perspective view showing the depth of the fossils within the dark limestone matrix.
Fossil collection
Fossil collection
Fossil collection
Fossil collection
Fossil collection
Fossil collection
Fossil collection
Fossil collection
Fossil collection
Fossil collection