Browse Items (8 total)

Stratigraphic Range Cambrian to Permian Taxonomy Phylum: MolluscaClass: Cephalopoda Distinctive Features StraightChambersSepta Preservation Manmade internal cast Advanced notes Nautiloids originated in the Cambrian and radiated during the…

Species Littorina muricata Stratigraphic Range Jurassic Taxonomy Phylum: MolluscaClass: GastropodaGenus: Littorina Distinctive Features Coiled shell (helical)SpireBody whorl Preservation External mould and external casts

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

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

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

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