Fossil March Flies in Matrix Group

Eocene Period, 58-36 million years B.P. A group of two rectangular shale matrices, each containing a pair of Pleciapealei sp. fossil march flies. 455 grams total, 93 x 70 - 91 x 87 mm (3 5/8 x 2 3/4 -

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

Eocene Period, circa 50 million years B.P. A group of three matrices, each displaying a fossil fly; held in a white card collector's tray. 63 grams total, 36-62 mm (1 3/8 - 2 3/8 in.). From the Green

Eocene Period, circa 50 million years B.P. A group of three fossil flies in individual matrices; held in a white card collector's tray. 43 grams total, 36-48 mm (1 3/8 - 1 7/8 in.). From the Green Riv

Eocene Period, 58-36 million years B.P. A group of four Knightia sp. fossil fish in three matrices. 176 grams total, 74-97 mm (2 7/8 - 3 7/8 in.). From Wyoming (Green River Formation), USA. From a Lin

Ordovician Period, 485-444 million years B.P. A group of two matrices, each containing at least one fossil starfish. 128 grams total, 62-67 mm (2 1/2 - 2 5/8 in.). From Germany. From a Lincolnshire, U

Ordovician Period, 488-444 million years B.P. A group of three fossil Ogygius corndensis(?) trilobite specimens in three irregular matrices. 273 grams total, 5.3-10.5 cm (2 - 4 1/8 in.). From a Lincol

Ordovician Period, 485-444 million years B.P. A pair of matrices, each containing a Petraster sp. fossil starfish. 356 grams total, 82-93 mm (3 1/4 - 3 5/8 in.). From a Cambridgeshire, UK, collection.

Ordovician Period, 485-444 million years B.P. A group of three irregular matrices, each containing a fossil star fish specimen. 340 grams total, 7-12.5 cm (2 3/4 - 4 7/8 in.). From Morocco, North Afri

RARE BUG / BEETLE / FLY FOSSIL IN MATRIX FROM COLORADO, ARTHRODPOD, 30 MILLION YEAR OLD INSECT!

Eocene Period, 58-36 million years BP. A group of four matrices with fossil leaves comprising: one with a Populus sp. leaf; three with Salix sp. leaves. 165 grams total, 53-71mm (2 - 2 3/4"). From an

Oligocene Period, 34-23 million years B.P. A group of three matrices containing fossil Metasequoia dawn redwood and beech leaf fossils; held in a white card collector's tray. 195 grams total, 52-77 mm

Oligocene Period, circa 45 million years B.P. A group of two matrices displaying three fossil leaves from the Metasequoia dawn redwood, a cinnamon leaf, and a beech leaf; held in a white card collecto

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

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

Jurassic Period, circa 180 million years B.P. A group of Gagaticeras sp. fossil ammonites in an oval-shaped pebble. 770 grams, 14.2 cm (5 1/2 in.). From Lower Jurassic, Lower Lias, Yorkshire. From a L

Eocene Period, 58-36 million years B.P. A group of four fossil Knightia sp.(?) fish in a sub-circular sedimentary stone matrix. 184 grams, 15.2 cm (6 in.). From Wyoming (Green River Formation), USA. F

225-100 million years BP. A mixed group of fossils comprising of: three fossilised cut and polished tree branch sections, a fish fossil in a limestone matrix, two ammonite fossils in a matrix. 272 gra

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

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

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

Huge Paradoxides trilobite in matrix, trilobites are well known fossil group of extinct marine arthropods that from the class trilobita. Diameter: height- 20 inches width- 18 1/2 inches

Eocene Period, 56-33 million years BP. A group of five Knightia alta fossil fish, on a matrix. 440 grams, 14.5cm (5 3/4"). From the Pradi collection, Boston, USA; acquired during 1980s; from the Green

A mixed and historic group comprising five large matrices of irregular shape, each containing fossils to one or both faces, including a Gregory, Bottley and Lloyd label reading 'Carboniferous. Spirife