Browse Items (264 total)

Stratigraphic Range Upper Cretaceous Taxonomy Phylum: EchinodermataClass: EchinodeaSubclass: IrregulariaOrder: Holasteroida Distinctive Features Bilateral symmetryMouth and anus out of lineFive radial ambulacraInterambulacra with…

Taxonomy Phylum: EchinodermataClass: EchinoideaSubclass: Regularia Distinctive Features Pentaradial symmetryAnus and peristome lie in lineSpine attachmentsFive sets of ambulacra Preservation Cast (internal mould of an external mould) Advanced…

Stratigraphic Range Modern Taxonomy Phylum: EchinodermataClass: EchinoideaSubclass: Regularia Distinctive Features Pentaradial symmetryAnus and peristome in lineSpine attachmentsAmbulacraAttachments for the jaw apparatus visible on the inside of…

Stratigraphic Range Silurian to Triassic Taxonomy Phylum: MolluscaClass: GastropodaGenus: Bellerophon Distinctive Features Coiled shell (planispiral)One chamber Preservation Steinkern(here an internal cast) Advanced notes This specimen…

Stratigraphic Range Jurassic to Cretaceous Taxonomy Phylum: MolluscaClass: GastropodaGenus: Pleurotomaria Distinctive Features Coiled shell (helical)One chamberApertureSpireBody whorl Preservation Remineralised shell material

Stratigraphic Range Jurassic to Cretaceous Taxonomy Phylum: MolluscaClass: GastropodaGenus: Nerinea Distinctive Features Coiled shell (helical) Preservation Remineralisation of shell material

Stratigraphic Range Paleocene to recent Taxonomy Phylum: MolluscaClass: GastropodaGenus: Murex Distinctive Features Coiled shell (helical)One chamberApertureSiphonal notchSpire Preservation Original shell material

Stratigraphic Range Pliocene to Pleistocene Taxonomy Phylum: MolluscaClass: GastropodaGenus: Nucella Distinctive Features Coiled shell (helical)One chamberSpireBody whorlAperture Preservation Original shell material

Species Scaphella lamberti Stratigraphic Range Paleocene to recent Taxonomy Phylum: MolluscaClass: GastropodaGenus: Scaphella Distinctive Features Coiled shell (helical)One chamberApertureSiphonal notchBody whorlSpire Preservation Original…

Species Barthrotomaria reticulata Stratigraphic Range Jurassic Taxonomy Phylum: MolluscaClass: GastropodaGenus: Barthrotomaria Distinctive Features Coiled shell (helical)One chamber Preservation Steinkern(here an internal cast)