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TRILACINOCERAS hunanense Fossil Nautilus – Middle Ordovician – Hunan, China
£36.00
This listing features an authentic and scientifically significant Fossil Nautilus of the species Trilacinoceras hunanense, originating from the Middle Ordovician rocks of Hunan Province, China. Trilacinoceras represents a genus of extinct nautiloid cephalopods that thrived in ancient marine environments more than 460 million years ago.
Fossil Type & Species:
- Type: Fossilised Nautiloid (Cephalopod)
- Genus: Trilacinoceras
- Species: Trilacinoceras hunanense
Geological Context:
- Era: Paleozoic
- Period: Ordovician
- Stage: Middle Ordovician (likely Darriwilian)
- Locality: Songtao, Hunan Province, China
- Depositional Environment: Marine shelf environments with well-oxygenated waters and rich benthic fauna, conducive to the preservation of hard-shelled organisms
Morphological Features:
- Elongated, straight to gently curved conch typical of orthocerid nautiloids
- Chambered shell with prominent siphuncle structure
- Subtle transverse growth lines and fine shell ornamentation
- Well-defined septa separating internal chambers
Scientific Notes:
- Nautiloids like Trilacinoceras were important early cephalopods, playing a crucial role in the Ordovician marine ecosystem
- Their fossils provide key insights into the evolution of cephalopods and the diversification of marine life during the Great Ordovician Biodiversification Event
- Formally described in Chinese paleontological literature, contributing to the regional biostratigraphy of the Ordovician system
Taxonomy:
- Order: Orthocerida
- Superfamily: Orthocerataceae
- Family: Likely Orthoceratidae (depending on updated classification)
- Formally Described By: Likely described by regional Ordovician specialists in China (author not confirmed)
Authenticity & Display:
All of our fossils are 100% Genuine Specimens and come with a Certificate of Authenticity. The fossil shown in the photo is the actual specimen you will receive.
Please refer to the image for full sizing details – scale cube = 1cm.
This is a scientifically important and visually compelling fossil that makes an excellent addition to any serious fossil collection, especially for those with an interest in Paleozoic marine life or early cephalopod evolution.
(Actual as seen)
Out of stock
Description
This listing features an authentic and scientifically significant Fossil Nautilus of the species Trilacinoceras hunanense, originating from the Middle Ordovician rocks of Hunan Province, China. Trilacinoceras represents a genus of extinct nautiloid cephalopods that thrived in ancient marine environments more than 460 million years ago.
Fossil Type & Species:
- Type: Fossilised Nautiloid (Cephalopod)
- Genus: Trilacinoceras
- Species: Trilacinoceras hunanense
Geological Context:
- Era: Paleozoic
- Period: Ordovician
- Stage: Middle Ordovician (likely Darriwilian)
- Locality: Songtao, Hunan Province, China
- Depositional Environment: Marine shelf environments with well-oxygenated waters and rich benthic fauna, conducive to the preservation of hard-shelled organisms
Morphological Features:
- Elongated, straight to gently curved conch typical of orthocerid nautiloids
- Chambered shell with prominent siphuncle structure
- Subtle transverse growth lines and fine shell ornamentation
- Well-defined septa separating internal chambers
Scientific Notes:
- Nautiloids like Trilacinoceras were important early cephalopods, playing a crucial role in the Ordovician marine ecosystem
- Their fossils provide key insights into the evolution of cephalopods and the diversification of marine life during the Great Ordovician Biodiversification Event
- Formally described in Chinese paleontological literature, contributing to the regional biostratigraphy of the Ordovician system
Taxonomy:
- Order: Orthocerida
- Superfamily: Orthocerataceae
- Family: Likely Orthoceratidae (depending on updated classification)
- Formally Described By: Likely described by regional Ordovician specialists in China (author not confirmed)
Authenticity & Display:
All of our fossils are 100% Genuine Specimens and come with a Certificate of Authenticity. The fossil shown in the photo is the actual specimen you will receive.
Please refer to the image for full sizing details – scale cube = 1cm.
This is a scientifically important and visually compelling fossil that makes an excellent addition to any serious fossil collection, especially for those with an interest in Paleozoic marine life or early cephalopod evolution.
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