Rare Normannites Crassicostatum Ammonite Fossil Jurassic Dorset UK Specimen Inferior Oolite Bajocian Romani Subzone Milborne Wick with COA
£ 120.00
RARE NORMANNITES CRASSICOSTATUM AMMONITE FROM MILBORNE WICK, DORSETThis rare Normannites crassicostatum ammonite fossil comes from the Inferior
Oolite Formation at Milborne Wick, Dorset, UK. Dating from the Middle Jurassic, Bajocian stage, Romani Subzone, this carefully chosen specimen is a highly collectible British ammonite with excellent geological, scientific, and display appeal. Fossils with a named species, recognised formation, geological stage, subzone, and locality are especially desirable for collectors who appreciate well-documented palaeontological specimens.The photograph shows the actual fossil specimen you will receive, allowing you to view the real preservation, shell form, surface detail, colour, matrix, and natural character before purchase. Full sizing can be seen in the photo, making it easy to assess the scale and suitability of this individual piece for a fossil cabinet, collector’s tray, desk display, educational collection, or natural history gift. FOSSIL TYPE, SPECIES AND SCIENTIFIC CLASSIFICATIONNormannites crassicostatum is an extinct ammonite species belonging to the wider group of coiled marine cephalopod molluscs known as ammonites. Ammonites were related to modern squid, cuttlefish, octopus, and nautilus, although ammonites themselves became extinct at the end of the Cretaceous Period.Normannites is generally associated with the order Ammonitida, superfamily Stephanoceratoidea, and family Stephanoceratidae. This family includes many classic Middle Jurassic ammonites recognised for robust coiling, rounded whorls, strong ribbing, and distinctive ornamental shell features. A rare named species such as Normannites crassicostatum gives this fossil stronger collecting and scientific interest than a general ammonite specimen. MORPHOLOGY AND NATURAL FEATURESNormannites ammonites typically display a planispiral shell, meaning the shell coils in a single flat plane. They often have rounded to inflated whorls and bold ribbing, giving the fossil a strong sculptural appearance. The species name crassicostatum refers to a form associated with strong or thick ribbing, a notable feature in many stephanoceratid ammonites.Depending on preservation, the specimen may show primary ribs, branching secondary ribs, raised ornamental features, visible whorl structure, mineralised shell surface, sediment staining, matrix attachment, worn high points, or partial shell preservation. These features are part of the fossil’s natural geological history and give each specimen its own individual character.Like other ammonites, Normannites had an internally chambered shell. The living animal occupied the outer body chamber, while earlier chambers helped with buoyancy control in the Jurassic sea. The shell’s rib spacing, whorl profile, coiling pattern, and ornamentation are important features used in ammonite identification and make this fossil interesting for both display and study. GEOLOGICAL AGE, ZONE AND FORMATIONThis fossil dates from the Bajocian stage of the Middle Jurassic and is associated with the Romani Subzone. The Bajocian was an important interval in ammonite evolution, with many distinctive ammonite groups developing in warm, shallow marine environments. Ammonites are particularly valuable in biostratigraphy because they evolved rapidly and were widely distributed across ancient seas, allowing geologists to use them for dating and comparing rock layers.The Romani Subzone gives this specimen a more precise geological context than a general Middle Jurassic label. This added stratigraphic detail is especially appealing for collectors interested in fossil zones, ammonite succession, and scientifically meaningful locality information. INFERIOR OOLITE FORMATION AND MILBORNE WICK LOCALITYThe Inferior Oolite Formation is a famous British Jurassic rock unit known for fossil-rich limestones and oolitic sediments. Oolitic limestone forms from tiny rounded carbonate grains called ooids, which developed in warm, shallow marine water as currents moved carbonate particles across the sea floor. Over millions of years, these sediments hardened into limestone, preserving the remains of ammonites, belemnites, brachiopods, bivalves, gastropods, echinoids, fish, and other marine life.Milborne Wick in Dorset gives this specimen strong locality interest and a clear connection to the Middle Jurassic fossil record of southern England. During the Bajocian, this region formed part of a shallow sea rich in marine life. Ammonites such as Normannites crassicostatum lived in these waters before their shells were buried in carbonate-rich sediment and fossilised over geological time. GENUINE SPECIMEN WITH CERTIFICATE OF AUTHENTICITYThis Normannites crassicostatum ammonite fossil is a genuine specimen and includes a Certificate of Authenticity lifetime guarantee generic card. The certificate provides added confidence for fossil collectors, schools, gift buyers, and anyone building a verified natural history collection.The fossil shown in the photograph is the actual specimen supplied. This means the piece you see is the piece you will receive, complete with its own natural preservation, shell detail, matrix, colour, form, and individual display character. COLLECTING, DISPLAY AND EDUCATIONAL APPEALA rare Normannites crassicostatum ammonite from the Inferior Oolite Formation is an excellent addition to a British Jurassic fossil collection. It pairs well with other Middle Jurassic ammonites, stephanoceratids, belemnites, brachiopods, bivalves, gastropods, echinoids, and marine fossils from Dorset, Somerset, and the wider Jurassic Coast region.With its rare named species identification, Bajocian age, Romani Subzone, Milborne Wick locality, Inferior Oolite Formation origin, and included Certificate of Authenticity, this fossil offers strong collecting, educational, and decorative appeal.
Oolite Formation at Milborne Wick, Dorset, UK. Dating from the Middle Jurassic, Bajocian stage, Romani Subzone, this carefully chosen specimen is a highly collectible British ammonite with excellent geological, scientific, and display appeal. Fossils with a named species, recognised formation, geological stage, subzone, and locality are especially desirable for collectors who appreciate well-documented palaeontological specimens.The photograph shows the actual fossil specimen you will receive, allowing you to view the real preservation, shell form, surface detail, colour, matrix, and natural character before purchase. Full sizing can be seen in the photo, making it easy to assess the scale and suitability of this individual piece for a fossil cabinet, collector’s tray, desk display, educational collection, or natural history gift. FOSSIL TYPE, SPECIES AND SCIENTIFIC CLASSIFICATIONNormannites crassicostatum is an extinct ammonite species belonging to the wider group of coiled marine cephalopod molluscs known as ammonites. Ammonites were related to modern squid, cuttlefish, octopus, and nautilus, although ammonites themselves became extinct at the end of the Cretaceous Period.Normannites is generally associated with the order Ammonitida, superfamily Stephanoceratoidea, and family Stephanoceratidae. This family includes many classic Middle Jurassic ammonites recognised for robust coiling, rounded whorls, strong ribbing, and distinctive ornamental shell features. A rare named species such as Normannites crassicostatum gives this fossil stronger collecting and scientific interest than a general ammonite specimen. MORPHOLOGY AND NATURAL FEATURESNormannites ammonites typically display a planispiral shell, meaning the shell coils in a single flat plane. They often have rounded to inflated whorls and bold ribbing, giving the fossil a strong sculptural appearance. The species name crassicostatum refers to a form associated with strong or thick ribbing, a notable feature in many stephanoceratid ammonites.Depending on preservation, the specimen may show primary ribs, branching secondary ribs, raised ornamental features, visible whorl structure, mineralised shell surface, sediment staining, matrix attachment, worn high points, or partial shell preservation. These features are part of the fossil’s natural geological history and give each specimen its own individual character.Like other ammonites, Normannites had an internally chambered shell. The living animal occupied the outer body chamber, while earlier chambers helped with buoyancy control in the Jurassic sea. The shell’s rib spacing, whorl profile, coiling pattern, and ornamentation are important features used in ammonite identification and make this fossil interesting for both display and study. GEOLOGICAL AGE, ZONE AND FORMATIONThis fossil dates from the Bajocian stage of the Middle Jurassic and is associated with the Romani Subzone. The Bajocian was an important interval in ammonite evolution, with many distinctive ammonite groups developing in warm, shallow marine environments. Ammonites are particularly valuable in biostratigraphy because they evolved rapidly and were widely distributed across ancient seas, allowing geologists to use them for dating and comparing rock layers.The Romani Subzone gives this specimen a more precise geological context than a general Middle Jurassic label. This added stratigraphic detail is especially appealing for collectors interested in fossil zones, ammonite succession, and scientifically meaningful locality information. INFERIOR OOLITE FORMATION AND MILBORNE WICK LOCALITYThe Inferior Oolite Formation is a famous British Jurassic rock unit known for fossil-rich limestones and oolitic sediments. Oolitic limestone forms from tiny rounded carbonate grains called ooids, which developed in warm, shallow marine water as currents moved carbonate particles across the sea floor. Over millions of years, these sediments hardened into limestone, preserving the remains of ammonites, belemnites, brachiopods, bivalves, gastropods, echinoids, fish, and other marine life.Milborne Wick in Dorset gives this specimen strong locality interest and a clear connection to the Middle Jurassic fossil record of southern England. During the Bajocian, this region formed part of a shallow sea rich in marine life. Ammonites such as Normannites crassicostatum lived in these waters before their shells were buried in carbonate-rich sediment and fossilised over geological time. GENUINE SPECIMEN WITH CERTIFICATE OF AUTHENTICITYThis Normannites crassicostatum ammonite fossil is a genuine specimen and includes a Certificate of Authenticity lifetime guarantee generic card. The certificate provides added confidence for fossil collectors, schools, gift buyers, and anyone building a verified natural history collection.The fossil shown in the photograph is the actual specimen supplied. This means the piece you see is the piece you will receive, complete with its own natural preservation, shell detail, matrix, colour, form, and individual display character. COLLECTING, DISPLAY AND EDUCATIONAL APPEALA rare Normannites crassicostatum ammonite from the Inferior Oolite Formation is an excellent addition to a British Jurassic fossil collection. It pairs well with other Middle Jurassic ammonites, stephanoceratids, belemnites, brachiopods, bivalves, gastropods, echinoids, and marine fossils from Dorset, Somerset, and the wider Jurassic Coast region.With its rare named species identification, Bajocian age, Romani Subzone, Milborne Wick locality, Inferior Oolite Formation origin, and included Certificate of Authenticity, this fossil offers strong collecting, educational, and decorative appeal.
