Browse Items (264 total)

Stratigraphic Range Ordovician to Permian Taxonomy Phylum: BrachiopodaClass: StrophomenataOrder: Strophomenida Distinctive Features Bilateral symmetryRibs Preservation External moulds and internal moulds

Species Spirifer verneuli Stratigraphic Range Ordovician to Permian Taxonomy Phylum: BrachiopodaClass: RhynchonellataOrder: Spiriferida Distinctive Features Bilateral symmetryTwo articulated valvesCommissureRibsPedicle Preservation Internal…

Stratigraphic Range Jurassic Taxonomy Phylum: BrachiopodaClass: RhynchonellataOrder: Terebratulida Distinctive Features Bilateral symmetryTwo articulated valvesCommissureGrowth linesPedicle Preservation Mineral replacement of shell

Species Terebratula biplicata Stratigraphic Range Cretaceous Taxonomy Phylum: BrachiopodaClass: RhynchonellataOrder: TerebratulidaGenus: Terebratula Distinctive Features Bilateral symmetryTwo articulated valvesCommissurePedicleGrowth…

Species Terebratula maximes Stratigraphic Range Pliocene to Pleistocene Taxonomy Phylum: BrachiopodaClass: RhynchonellataOrder: TerebratulidaGenus: Terebratula Distinctive Features Bilateral symmetryTwo articulated valvesGrowth…

Stratigraphic Range Ordovician to Carboniferous Taxonomy Phylum: BrachiopodaClass: StrophomenataOrder: StrophomenidaFamily: RafinesquinidaeGenus: Leptaena Distinctive Features Bilateral symmetryRibsGrowth lines Preservation Mineral replacement…

Stratigraphic Range Crinoids: Ordovician to recent Taxonomy Phylum: EchinodermataClass: Crinoidea Distinctive Features Ossicles (fused) Preservation Internal mould of stereome by haematite, slightly compressed

Stratigraphic Range Carboniferous Taxonomy Phylum: EchinodermataClass: Crinoidea Distinctive Features Ossicles (fused)Stereome Preservation Mineral replacementSediment infill

Species Encrinus lilliformis Stratigraphic Range Triassic Taxonomy Phylum: EchinodermataClass: CrinoideaOrder: EncrinidaFamily: EncrinidaeGenus: Encrinus Distinctive Features Ossicles (fused)Crown with individual armsAttachment point for…

Stratigraphic Range Jurassic Taxonomy Phylum: EchinodermataClass: CrinoideaOrder: MillericrinidaGenus: Apiocrinites Distinctive Features Pentaradial symmetryCalyxAttachment point for 'arms' of the animal Preservation Cast (manmade)