Natural History - Fossil Trilobite Group in Matrix

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

. A mixed group of mineral specimens and a fossil comprising: twenty seven of chalcopyrite, four azurite on matrix, one citrine, one Flexicalimene trilobite. Private collection, Cambridgeshire, UK; ac

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

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,

Cambrian-Permian Period, 521-250 million years B.P. A Coltraneia sp. fossil trilobite; held in a white card collector's tray. 221 grams, 86 mm (3 3/8 in.). From Morocco, North Africa.Ex Cambridgeshire

Devonian Period, 417-354 million years B.P. Showing the pair of horn-like spines behind the glabellum, specific for Dicranurus monstrosus trilobite; on a matrix. 468 grams, 13.2 cm (5 1/4 in.). From a

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

Devonian Period, 417-354 million years B.P.. Hollardops mesacristata trilobite on a matrix. 121 grams, 77 mm (3 in.). From the Atlas Mountains, Hamar Laghdad Formation, Pragian, (Alnif), Morocco. From

Upper Devonian Period, 385-359 million years B.P.. Cheirurus (Crotalocephalina) trilobite Crotalocephalus gibbus fossil on a matrix. 175 grams, 72 mm (2 7/8 in.). From Hamar Laghdad Formation, Pragian

Devonian Period, 417-354 million years B.P. A fossil Paralejurus rehamnanus trilobite on a matrix. 234 grams, 92 mm (3 5/8 in.). From the Atlas Mountains, Hamar Laghdad Formation, Pragian, (Alnif), Mo

Devonian Period, 417-354 million years B.P. A fossil Morocops barrandeops sp. trilobite on a matrix. 331 grams, 85 mm (3 3/8 in.). From the Atlas Mountains, Hamar Laghdad Formation, Pragian, (Alnif),

Upper Devonian Period, 385 to 359 million years BP. A Geesops sp. trilobite on matrix. 215 grams, 80mm (3 1/4"). From an old Bristol paleontological collection; acquired 1950s-1960s; previously with a

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

Upper Devonian Period, circa 385-359 million years B.P.. A Reedops sp. trilobite on matrix, clearly showing the external structures. 230 grams, 88 mm (3 1/2 in.). From the Hamar Laghdad Formation, Atl

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

Middle Cambrian Period, circa 500 million years B.P. A pair of irregular matrices, each containing an Elrathia sp. fossil trilobite. 160 grams total, 62-83 mm (2 3/8 - 31/4 in.). Ex Lincolnshire, UK,

Devonian Period, 417-354 million years BP. A large Cambropallas telesto trilobite on a matrix from Djbel Ougrat, Morocco. 1.9 kg, 26cm (10 1/4") From the collection of the palaeontologist R Gledhill c

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

Devonian Period, 417-354 million years B.P. A large fossil Cambropallas sp. trilobite in a matrix. 2.7 kg, 29 cm (11 3/8 in.). From Morocco, North Africa.Ex Cambridgeshire, UK, collection. [No Reserve

Carboniferous-Jurassic, 359-145 million years BP. A group of seven brachiopod specimens, including four spirifers (two in matrix), and three terebratulids, in old white and brown card trays with A.B.

Middle Jurassic, Inferior Oolite, Aalenian Stage, 170 million years BP. A group of two fossil ammonites on matrix, one Graphoceras sp. and the other possibly Leioceras sp., in old white card trays, on

Cretaceous Period, 200-65 million years BP. Group comprising: a small ammonite, cut and polished in two halves, with two small fossil fish specimens, in matrix. 618 grams total, 3.2-14.7cm (1 1/4 - 5

Jurassic-Ordovician Periods, 201-445 million years BP. A group of five fossils comprising three trilobites: two Calymene sp., and one Phacops sp., and two Orthoceras sp. 725 grams, 48mm-12cm (2-4 3/4"