belemnite
81Goniatites — Taxobox name = Goniatites fossil range = image width = image caption = regnum = Animalia phylum = Mollusca classis = Cephalopoda subclassis = Ammonoidea ordo = Goniatitida subordo = Goniatitina superfamilia = Goniatitaceae familia = Goniatitidae… …
82Nautiloid — Nautiloids Temporal range: 495–0 Ma …
83Chalk Formation — The Chalk Formations of Europe are thick deposits of chalk, a soft porous white limestone, deposited in a marine environment during the upper Cretaceous Period. They appear most prominently in England. The formations are divided into three parts …
84Golden Cap — is a hill and cliff situated between Bridport and Charmouth in Dorset, England. The cliffs are the highest point on the south coast of Great Britain. The hill is owned by the National Trust and forms part of the Jurassic Coast, a World Heritage… …
85Baculites — Taxobox name = Baculites fossil range = Late Cretaceous image width = 240px image caption = Baculites fossils from South Dakota. Some still have traces of the original nacre (shells). regnum = Animalia phylum = Mollusca classis = Cephalopoda… …
86Plesiosaurus — Taxobox name = Plesiosaurus fossil range = Early Jurassic regnum = Animalia phylum = Chordata classis = Sauropsida superordo = Sauropterygia ordo = Plesiosauria subordo = Plesiosauroidea familia = Plesiosauridae familia authority = Gray, 1825… …
87Orthoceratidae — Temporal range: Ordovician Permian (possibly Triassic) Orthoceras Scientific classification Kingdom …
88Orthocerida — Temporal range: Lower Ordovician–Upper Triassic …
89Bactritida — Taxobox name = Bactritida regnum = Animalia phylum = Mollusca classis = Cephalopoda subclassis = Bactritoidea ordo = Bactritida ordo authority = Shimanskiy 1951 The Bactritida form a small order of more or less straight shelled (orthoconic)… …
90Isotope ratio mass spectrometry — Infobox chemical analysis name = Isotope ratio mass spectrometry caption =Isotope ratio mass spectrometer with gas bench in foreground acronym = IRMS classification =mass spectrometry analytes = manufacturers = related = Accelerator mass… …
