Browse Items (11 total)

Stratigraphic Range Silurian to Devonian Taxonomy Phylum: HemichordataClass: Graptolithina Distinctive Features Spiral stipesRhabdosomeThecae'sawtooth' Preservation FlattenedCarbon film Advanced notes You can see various preservational…

Stratigraphic Range Ordovician Taxonomy Phylum: HemichordataClass: GraptolithinaOrder: Graptoloidea Distinctive Features StipesRhabdosomeThecae'sawtooth' Preservation FlattenedRed colour from iron in sediment seeping into fossil Advanced…

Taxonomy Phylum: HemichordataClass: Graptolithina Distinctive Features Stipes (2)NemaHorizontalThecaeRhabdosome Preservation CompressedCarbon filmRed colour from iron in sediment seeping into fossil Advanced notes The position of the nema…

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…

Stratigraphic Range Ordovician to Permian Taxonomy Phylum: CnidariaClass: AnthozoaOrder: Tabulata Distinctive Features TabulaeColonial Preservation Mineral replacement of skeleton Advanced notes Due to the way that this specimen has been cut…

Stratigraphic Range Ordovician to Permian Taxonomy Phylum: CnidariaClass: AnthozoaOrder: Tabulata Distinctive Features SeptaColonialColumellaPolyps Preservation Mineral replacement of skeletonPrecipitation of minerals in spaces Advanced…

Species Isastraea explanata (also Isastrea explanata) Stratigraphic Range Jurassic Taxonomy Phylum: CnidariaClass: AnthozoaOrder: ScleractiniaGenus: Isastrea Distinctive Features SeptaWeak columella Preservation External mould (of the 'top'…

Stratigraphic Range Silurian Taxonomy Phylum: CnidariaClass: AnthozoaOrder: TabulataGenus: Halysites Distinctive Features Halysites is a so-called 'chain coral'. Unsurprisingly it can be identified as it has a distinctive 'chain' appearance,…