Browse Items (264 total)

Stratigraphic Range Ordovician to Permian Taxonomy Phylum: CnidariaClass: AnthozoaOrder: Rugosa Distinctive Features SeptaGrowth lines'Horn' shape Preservation Manmade cast

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)

Taxonomy Phylum: EchinodermataClass: Crinoidea Distinctive Features StemCalyxCrownOssicles (fused) Preservation Cast (manmade)

Species Florigemma Stratigraphic Range Jurassic Taxonomy Phylum: EchinodermataClass: EchinoideaOrder: CidaroidaGenus: Cidaris Distinctive Features 'Club' shapedThorns Preservation Mineral replacement (calcite)Disarticulated from body…

Species depressus Lestre Stratigraphic Range Jurassic Taxonomy Phylum: EchinodermataClass: EchinoideaSubclass: IrregulariaOrder: HolectypoidaGenus: Holectypus Distinctive Features Bilateral symmetryFive radial ambulacraSpine attachment scars…

Species Praecursor Stratigraphic Range Cretaceous Taxonomy Phylum: EchinodermataClass: EchinoideaSubclass: IrregulariaOrder: SpatangoidaGenus: Micraster Distinctive Features Bilateral symmetryFive radial ambulacraPeristome (opening for mouth)…

Stratigraphic Range Cretaceous Taxonomy Phylum: EchinodermataClass: EchinoideaSubclass: IrregulariaOrder: EchinoneoidaGenus: Conulus Distinctive Features Bilateral symmetryFive radial ambulacraInterambulacraMigrated periproct (opening for…