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Browse Items (264 total)
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TF0331 Ammonite Aptychus
Species
latus Parkinson
Stratigraphic Range
Jurassic
Taxonomy
Phylum: MolluscaClass: CephalopodaSubclass: AmmonoideaOrder: Ammonitida
Distinctive Features
Straight edgeGrowth linesCurved plate
Preservation
CalciteDisarticulated from ammonite…
TF0301 Goniatite
Species
Goniaites
Stratigraphic Range
Devonian to Permian
Taxonomy
Phylum: MolluscaClass: CephalopodaSubclass: AmmonoideaOrder: Goniatitida
Distinctive Features
Planispiral shellGoniatitic suture linesInvolute
Preservation
Internal mould
TF0311 Ceratite
Species
Ceratites
Stratigraphic Range
Triassic
Taxonomy
Phylum: MolluscaClass: CephalopodaSubclass: AmmonoideaOrder: Ceratitida
Distinctive Features
PlanispiralApertureBody chamberCeratitic suture linesEvolute
Preservation
Internal…
TF0321 Ammonite
Species
Dactylioceras commune
Stratigraphic Range
Jurassic
Taxonomy
Phylum: MolluscaClass: CephalopodaSubclass: AmmonoideaOrder: Ammonitida
Distinctive Features
RibsImprint of inner whorls visibleCurved shape (part of…
TF0322 Ammonite
Species
Hildoceras bifrons
Stratigraphic Range
Jurassic
Taxonomy
Phylum: MolluscaClass: CephalopodaSubclass: AmmonoideaOrder: Ammonitida
Distinctive Features
PlanispiralEvoluteRibs
Preservation
Mineral replacement of shell (aragonite to…
TF0323 Ammonite
Species
Parkinsonia parkinsonia
Stratigraphic Range
Jurassic
Taxonomy
Phylum: MolluscaClass: CephalopodaSubclass: AmmonoideaOrder: Ammonitida
Distinctive Features
PlanispiralEvoluteRibsAmmonitic suture lines
Preservation
Calcite has replaced…
TF0324 Ammonite
Species
Amoeboceras alternans
Stratigraphic Range
Jurassic
Taxonomy
Phylum: MolluscaClass: CephalopodaSubclass: AmmonoideaOrder: Ammonitida
Distinctive Features
PlanispiralAmmonitic suture lines visible on some mouldsRibs
Preservation
Most…
TF0325 Ammonite
Species
Deshayesites
Stratigraphic Range
Cretaceous
Taxonomy
Phylum: MolluscaClass: CephalopodaSubclass: AmmonoideaOrder: Ammonitida
Distinctive Features
PlanispiralAmmonitic suture patternEvoluteRibsAperture
Preservation
Internal mould,…
TF0326 Ammonite
Species
Anahoplites splendens
Stratigraphic Range
Cretaceous
Taxonomy
Phylum: MolluscaClass: CephalopodaSubclass: AmmonoideaOrder: Ammonitida
Distinctive Features
PlanispiralInvoluteAmmonitic suture patternRibs
Preservation
Internal mould,…
TF0327 Heteromorphic ammonite
Species
Scaphites
Stratigraphic Range
Cretaceous
Taxonomy
Phylum: MolluscaClass: CephalopodaSubclass: AmmonoideaOrder: Ammonitida
Distinctive Features
'g' shaped coiled shellRibsInvoluteAmmonitic suture lines
Preservation
Internal…