Natural History - British Fossil Fern Group

Carboniferous Period, circa 310 million years B.P. A group of three fern specimens including Alethopteris sp. and Sphenopteris laurenti. 281 grams total, 76-87 mm (3 - 3 3/8 in.). From the Middle Coal

Carboniferous-Cretaceous Period, circa 305-113 million years B.P.. Comprising a mixed group of eight fossils in eight card trays, different species and types including: Rugose Coral from Toddington, D

350-100 million years BP. A group of ten British ammonites of mixed species, five accompanied by catalogue cards, two of which have Natural History Museum identification labels. 3.39 kg, 60-120mm (2 1

Jurassic Period, Sinemurian, circa 200 million years B.P.. Showing the partial remains of a Eteoderoceras sp. fossil ammonite. 982 grams, 14.5 cm (5 3/4 in.). From North Yorkshire, UK.

Jurassic Period, circa 200 million years B.P. Promicroceras planicosta with iron stained surface giving a beautiful contrast in colour, from the Lower Lias, Obtusum Zone. 42.53 grams, 67 mm (2 3/5 in.

Eocene Period, 58-36 million years BP. The group comprises a Knightia alta (upper) and a Diplomystus sp. (lower) fossil fish, on the matrix plaque. 612 grams, 22.5cm (8 3/4"). From the Pradi Collectio

Middle Pennsylvanian Period, circa 300 million years B.P.. Comprising two pairs of Pecopteris sp. 131 grams total, 54-65 mm (2 1/8 - 2 1/2 in.). From the Mazon Creek Fossil Beds, Braidwood, Illinois,

Jurassic Period, circa 200-190 million years B.P.. The matrix with two Dactylioceras tenuicostatum fossil ammonite specimens. 1.6 kg, 14 cm (5 1/2 in.). From the Holderness Coast, Yorkshire, UK. [No R

Oligocene Period, circa 34-23 million years B.P. A group of three fossil leaves in matrix. 15 grams total, 59-77 mm (2 3/8 - 3 in.). From Beaverhead County, Montana, U.S.A.Collected between 1930 and 1

Early Carboniferous Period, 300 million years BP. A fossil of the seed fern Neuropteris cordata comprising a stalk of the plant to one face and a stalk and frond imprint to the other; with old Gregory

Middle Ordovician Period, 400 million years BP. A group of two specimens of the trilobite Ogygiocarella debuchi with Gregory, Bottley, and Lloyd label reading: MID-ORDOVICIAN TRILOBITE, Ogygiocarella

Jurassic to Carboniferous Period, 199-3 million years B.P.. Mostly consisting of various species of ammonite, together with a number of shells. 362 grams total, 10-87 mm (3/8 - 3 3/8 in.). Acquired on

Eocene Period, circa 50 million years B.P. A group of three fossil flies in matrix. 216 grams total, 73-82 mm (2 3/4 - 3 1/4 in.). From the Green River Formation, South Western Wyoming, U.S.A.Collecte

Carboniferous Period, 350 million years BP. An outer section of the seed fern Neuropteris semirecticulatum with good preservation of the attachment points for the seed-bearing fronds, with old Gregory

Middle Jurassic Period, 174-163 million years BP. A Clypeus ploti sea urchin fossil from Cheltemham, Gloucestershire, UK; small collector's information sticker to the base. 201 grams, 80mm (3 1/4"). F

Eocene Period, 56-33 million years BP. Two Knightia alta fossil fish in a matrix slab. 1.6 kg, 29.5cm (11 1/2"). From the Pradi Collection, Boston, USA; acquired during the 1980s; from the Green River

Jurassic Period, circa 180-185 million years B.P.. Presenting an Amaltheus stokesi fossil ammonite in a matrix, together with other fossil inclusions. 1.2 kg, 17.5 cm (6 7/8 in.). From Hawsker, North

Devonian Period, 417-354 million years B.P. A group of three Morocops (Barrandeops) sp. trilobites on a matrix. 256 grams total, 51-59 mm (2 - 2 3/8 in.). From the Atlas Mountains, Hamar Laghdad Forma

Eocene Period, 55-33 million years BP. A group of three rare unclassified agatized Dicotaledon cone specimens clearly showing the external structures. 48 grams total, 4-5cm (1 1/2 - 2"). From an old B

Ordovician-Silurian, 488-415 million years BP. A group consisting of one Silurian and two Ordovician trilobites, two in old white card trays with A.B. Cotterill Collection, Wollaton, Nottingham, UK, l

Devonian Period, circa 417-354 million years B.P.. Three Flexicalymene sp. trilobites from nodules. 351 grams total, 71-86 mm (2 3/4 - 3 3/8 in.). From Morocco, North Africa.From a Cambridgeshire, UK,

Devonian Period, circa 417-354 million years B.P. Comprising three polished, dome-shaped masses, each with a central Goniatite sp. specimen. 368 grams total, 70-75 mm (2 3/4 - 3 in.). From the Atlas M

Carboniferous, 359-299 million tears BP. A group consisting of four specimens of stigmaria, the roots of coal forest lycopsid trees such as Sigillaria and Lepidodendron, each with paper label attached

Ordovician-Permian, 488-252 million years BP. A group of eight brachiopods, including one spirifer and seven terebratulids, in old white card trays with A.B. Cotterill Collection, Wollaton, Nottingham