Natural History - Historic Fossil Trilobite Group

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

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

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

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,

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

Carboniferous-Cretaceous Period, 359-66 million years BP. A group of six fossils of different cllasses and periods, including four bivalves, a goniatite, and an ammonite, five in old white card trays

Carboniferous Period 359-299 million years BP. A group of three large diameter (up to 33mm) crinoid stems, in white card trays with A.B. Cotterill Collection, Wollaton, Nottingham, UK, labels. 271 gra

Carboniferous Period 359-299 million years BP. A group of two limestone sea-floor specimens with numerous crinoid stem segments and bryozoans from Barry, Glamorganshire, in white card trays with adhes

Silurian Period, 444-415 million years BP. A group of seven corals from Salop, UK, in old white card tray with A.B. Cotterill Collection, Wollaton, Nottingham, UK, label. 40 grams total, 23-32mm (3/4-

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

Carboniferous Period, 359-299 million years BP. A group of two crinoid calicies of the species Amphorocrinas gigas with well-preserved plate development and the stubs of their arms and stems, in white

Eocene Period, 50 million years BP. A historic group of two fossil molluscs and one fossil gastropod from the Gregory, Bottley and Lloyd reference collection, with old labels reading: '79, Barton Clay

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"

. 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

Upper Devonian Period, 385-359 million years BP. A fossil Diaclaymene(?) trilobite. 132 grams, 96mm (3 3/4"). Property of a North London gentleman; previously in a private collection formed in the 199

Mid-Triassic Period, 240 million years BP. A fossil of Pecten sp. on a matrix of micaceous, fine-grained sandstone, from Yorkshire, with old adhesive label to back reading: 'Pecten, Robin Hood Bay, Yo

Jurassic Period, 203-145 years BP. A fossil of the 'brittle star' Geocoma elegans from Ardiche, France, in old white card tray with A. B. Cotterill Collection, Wollaton, Nottingham, UK, label. See Geo

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.

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