Browse Items (3 total)

Stratigraphic Range Ordovician Taxonomy Phylum: HemichordataClass: GraptolithinaGenus: Didymograptus Distinctive Features Stipes (2)ThecaeRhabdosomeNema'sawtooth' Preservation FlattenedCarbon filmPale colourisation from chlorine inclusion into…

Stratigraphic Range Ordovician Taxonomy Phylum: HemichordataClass: GraptolithinaOrder: Graptoloidea Distinctive Features ThecaeStipesRhabdosomeNema Preservation FlattenedCarbon filmRed colour from iron in sediment seeping into…

Stratigraphic Range Cambrian to Carboniferous Taxonomy Phylum: HemichordataClass: GraptolithinaOrder: Dendroidea Distinctive Features Numerous branching stipesColonialThecae Preservation Flattened Advanced notes In this specimen we cannot…