RARE Goniatite Fossil – GASTRIOCERAS CANALLATUM – Carboniferous – Glamorgan, Wales, UK

Description

This listing features a rare and genuine Fossil Goniatite of the species Gastrioceras canallatum, collected from the Carboniferous strata in Glamorgan, Wales, UK. Gastrioceras is an extinct genus of goniatitic ammonoids, characterised by its beautifully patterned suture lines and coiled shells.

Fossil Type & Species:

• Type: Fossilised Ammonoid (Goniatite)
• Species: Gastrioceras canallatum

Geological Context:

• Era: Paleozoic
• Period: Carboniferous
• Stage: Likely Upper Mississippian to Lower Pennsylvanian
• Locality: Glamorgan, South Wales, UK
• Depositional Environment: Shallow marine shelf environments with anoxic conditions favourable for fossil preservation

Morphological Features:

• Planispiral, discoidal shell with a moderately involute coiling
• Distinct suture lines with lobes and saddles typical of Gastrioceratidae
• Often displays faint ribbing or smooth shell surface depending on preservation

Scientific Notes:

• Gastrioceras is important in regional biostratigraphy and is commonly used to define zones within Carboniferous stratigraphy
• The genus offers insights into the marine ecosystems and cephalopod evolution during the Carboniferous

Taxonomy:

• Order: Goniatitida
• Superfamily: Gastrioceratoidea
• Family: Gastrioceratidae
• Formally Described By: George K. Greene, 1908 (G. canallatum assignment details vary in literature)

Authenticity & Display:

All of our fossils are 100% Genuine Specimens and come with a Certificate of Authenticity. The fossil shown in the photograph is the exact piece you will receive.

Please see the image for exact sizing – Scale cube = 1cm.

A rare and scientifically valuable goniatite specimen with well-preserved features, ideal for collectors, educational purposes, or as a unique palaeontological gift.