Rare Block of Fossil Heteromorph Uncoiled Ammonites (Turrilitoides hugardianus) with Gastropod – Upper Cenomanian, Upper Cretaceous
$97.2
$179.82
Description A rare fossil block containing heteromorph uncoiled ammonites (Turrilitoides hugardianus) with a gastropod, from the Upper Cenomanian Stage of the Upper Cretaceous, collected at Pénzesgyőr, Hungary. This specimen is highly collectable, preserving ammonites with their distinctive uncoiled morphology alongside a marine gastropod, making it a unique palaeontological display. The fossil shown in the photographs is the exact one you will receive, and it is supplied with a Certificate of Authenticity. Fossil Type & Species: Type: Heteromorph Ammonite (extinct marine cephalopod) with Gastropod Species: Turrilitoides hugardianus Order: Ammonitida Superfamily: Turrilitoidea Family: Turrilitidae Geological Context: Period: Cretaceous Epoch/Stage: Upper Cretaceous – Upper Cenomanian (approx. 100.5 to 93.9 million years ago) Biozone: Typically associated with Mantelliceras dixoni and related ammonite faunas of the Cenomanian Formation: Cenomanian marine limestone and marl deposits of Hungary Depositional Environment: Shallow marine shelf with carbonate sediments, producing excellent preservation of heteromorph ammonites Locality: Region: Pénzesgyőr, Hungary Morphology & Features: Turrilitoides hugardianus exhibits a tightly uncoiled, helically twisted shell form Fine ribbing and distinctive ornamentation across the shell Accompanied by a preserved gastropod shell, showing natural association of marine organisms Excellent preservation of both ammonite and gastropod features Scientific Notes: Turrilitoides hugardianus is an iconic Cenomanian heteromorph ammonite, first formally described in the 19th century Its unusual uncoiled morphology provides important insights into ammonite adaptation and palaeoecology during the Late Cretaceous Notable Details: Rare fossil block preserving both ammonites and gastropod together Excellent natural preservation with strong morphological detail 100% genuine, natural fossil – no restoration Scale Reference: Each square or cube = 1cm. Please see photographs for accurate sizing Authenticity & Guarantee: All of our fossils are 100% genuine, responsibly sourced, and professionally curated. Each specimen is supplied with a Certificate of Authenticity. The fossil pictured is the exact one you will receive. This Turrilitoides hugardianus fossil block with gastropod is a rare and scientifically valuable specimen from the Upper Cenomanian of Hungary – an exceptional addition for collectors, researchers, or natural history displays.
Heteromorphs