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Ammonitida Collection

Background imageAmmonitida Collection: Ammonitida or extinct fossil ammonites

Ammonitida or extinct fossil ammonites: Cardioceras cordatum 1, 2, Schloenbachia varians 3, 4, Ptychites opulentus 5, 6, Douvilleiceras mammillatum 7, Puzosia planulatus 8

Background imageAmmonitida Collection: Ammonites, extinct group of marine animals

Ammonites, extinct group of marine animals belonging to the cephalopod subclass Ammonoidea

Background imageAmmonitida Collection: Goniatites, fossil ammonite

Goniatites, fossil ammonite
In marked contrast to Dactylioceras, this Carboniferous Goniatites has a shell in which successive whols overlap stongly, giving a narrow, deep umbilicus

Background imageAmmonitida Collection: Nipponites mirabilis, ammonite

Nipponites mirabilis, ammonite
This ammonite from the Upper Cretaceous of Japan displays a loose, tangled coil

Background imageAmmonitida Collection: Aegocrioceras quadratus, ammonite

Aegocrioceras quadratus, ammonite
This Lower Cretaceous crytocone ammonite displays whorls which do not touch each other but form an open spiral

Background imageAmmonitida Collection: Oxynoticeras oxynotum, ammonite

Oxynoticeras oxynotum, ammonite
Shown here is the ventral view of this Lower Jurassic oxycone ammonite

Background imageAmmonitida Collection: Aulacostephanus autissiodorensis, ammonite

Aulacostephanus autissiodorensis, ammonite
Shown here is an Upper Jurassic macroconch (larger form) ammonite. Despite some damage to the shell, the fine ribbing is still apparent

Background imageAmmonitida Collection: Dactylioceras commune, ammonite

Dactylioceras commune, ammonite
This shows a Lower Jurassic snakestone from Whitby, Yorkshire, UK where a snakes head has been carved onto the ammonite

Background imageAmmonitida Collection: Dactylioceras commune, snakestone ammonite

Dactylioceras commune, snakestone ammonite
Snakestone ammonite (Dactylioceras commune) (J. Sowerby) a lectotype specimen from Toarcian, Upper Liassic, Bifrons Zone, Whitby, U.k

Background imageAmmonitida Collection: Dactylioceras, fossil ammonite

Dactylioceras, fossil ammonite
Dactylioceras, represented here by a 9.5 cm wide individual, is a characteristic and abundant ammonite in the Lower Jurassic of north Yorkshire, England

Background imageAmmonitida Collection: Prolecanites compressus, goniatite

Prolecanites compressus, goniatite

Background imageAmmonitida Collection: Maorites densicostatus, ammonite

Maorites densicostatus, ammonite
This flat-shelled ammonite dates from the Lower to Middle Campanian of the Upper Cretaceous, Vega Island, Graham Land, Antarctica

Background imageAmmonitida Collection: Ammonite, scaphites nodosus

Ammonite, scaphites nodosus
A Cretaceous ammonite from Badlands, South Dakota, USA. This specimen retains much of its original shell giving it a beautiful pearly lustre

Background imageAmmonitida Collection: Promicroceras planicost, jurassic ammonites

Promicroceras planicost, jurassic ammonites
A rock specimen containing many Promicroceras a small shelled Jurassic ammonites. Ammonites are an extinct group of marine fossil cephalopods related to todays Nautilus

Background imageAmmonitida Collection: Ceratites nodosus, ammonoid

Ceratites nodosus, ammonoid
The Ammonoids are an extinct group of marine fossil cephalopods related to todays Nautilus. In this specimen, the shell suture lines are clearly visible

Background imageAmmonitida Collection: Stephanoceras humphriesianum, ammonite

Stephanoceras humphriesianum, ammonite
This fossil cephalopod originates from the Inferior Oolite, Middle Jurassic rocks near Sherbourne, Dorset dating from about 170 million years ago

Background imageAmmonitida Collection: Kosmoceras acutistriatum, ammonite

Kosmoceras acutistriatum, ammonite
This Jurassic ammonite from Wiltshire, England occurs in a fine-grained shale, but has been severely flattened. However, the original lustre of the shell has been retained

Background imageAmmonitida Collection: Ammonite marble

Ammonite marble
Asteroceras (large shells) and Promicroceras (small shells) ammonites, seen here in the polished surface of a specimen of marble originating from the Lower Lias, near Yeovil, Somerset

Background imageAmmonitida Collection: Asteroceras and promicroceras, ammonites

Asteroceras and promicroceras, ammonites
A rock specimen containing Asteroceras (large shell) and Promicroceras (small shell) ammonites from the Lower Lias, Marston Magna, near Yeovil, Somerset

Background imageAmmonitida Collection: Nipponites, uncoiled ammonoid

Nipponites, uncoiled ammonoid
An uncoiled Nipponite ammonoid fossil. Ammonoids are an extinct group of marine fossil cephalopods related to todays Nautilus

Background imageAmmonitida Collection: Gastrioceras, goniatite

Gastrioceras, goniatite
Gastrioceras, a Carboniferous goniatite. Goniatites were highly mobile creatures similar to octopus and squid, but were protected by a coiled shell divided up into many chambers

Background imageAmmonitida Collection: Hildoceras bifrons, snakestone ammonite

Hildoceras bifrons, snakestone ammonite
A snakestone ammonite (Hildoceras bifrons) from the Jurassic Lias rocks of Yorkshire, U.K

Background imageAmmonitida Collection: A fossil Kosmoceras, ammonite

A fossil Kosmoceras, ammonite
Kosmoceras, a genus of ammonite which lived during the Jurassic period

Background imageAmmonitida Collection: Goniatites sp. goniatite

Goniatites sp. goniatite
An extinct, marine fossil goniatite from the class Cephalopoda belonging in the phylum Mollusca (molluscs), sub-class Ammonoidea. Photographed by Beatriz Aguirre-Urreta

Background imageAmmonitida Collection: Scaphites nodosus, ammonite

Scaphites nodosus, ammonite
This Cretaceous ammonite originates from The Badlands, South Dakota, U.S.A. This specimen retains much of its original shell giving it a beautiful pearly lustre

Background imageAmmonitida Collection: Fossil ammonites used as memorial stone

Fossil ammonites used as memorial stone
Asteroceras marstonense (larger ammonites) and Promicroceras marstonensis (smaller ammonites) used as a memorial stone. Specimen originates from Spath Lower Lias, Marston Magna, Somerset, England

Background imageAmmonitida Collection: Asteroceras marstonensis and Promicroceras, ammonites

Asteroceras marstonensis and Promicroceras, ammonites


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