Browse Items (25 total)

Species Lithophaga inclusa Stratigraphic Range JurassicLithophaga: Triassic to recent Taxonomy Phylum: MolluscaClass: BivalviaOrder: MytilidaFamily: Mytilidae Distinctive Features Dorsoventral symmetryTwo valvesGrowth…

Stratigraphic Range Jurassic to Cretaceous Taxonomy Phylum: MolluscaClass: BivalviaOrder: PraecardioidaFamily: InoceramidaeGenus: Inoceramus Distinctive Features RibsUmboTwo valvesNear dorso-ventral symmetry Preservation Internal mould

Species Liostrea Stratigraphic Range Triassic to Eocene Taxonomy Phylum: MolluscaClass: BivalviaOrder: Gryphaeidae Distinctive Features Growth linesTwo articulating valvesAdductor muscle scar Preservation Original shell material Advanced…

Stratigraphic Range Permian to Carboniferous Taxonomy Phylum: MolluscaClass: BivalviaOrder: PectinidaFamily: Pterinopectinidae Distinctive Features RibsUmboGrowth lines Preservation Compression between mud layersPotentially carbonization,…

Taxonomy Phylum: Mollusca Class: Bivalvia Diagnostic features Palial line/palial sinus Adductor muscle scars Growth lines Dorsoventral symmetry (some exceptions, for example Gryphaea) Two hinged valves Umbo Hinge Gills (rarely…