Natural History - Fossil Hemicidaris Sea Urchin

Jurassic Period, Bajocian Stage, 175-160 million years BP. A free standing Clypeus ploti sea urchin on a matrix. 995 grams, 11cm (4 1/4"). From an old Bristol palaeontological collection; acquired 195

Miocene Period, circa 25 million years B.P.. Composed of several fossil sea urchins or sand dollars in a matrix. 4.6 kg, 34.5 cm (13 5/8 in.). From France.

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

Fossilized Impressions of Sea life. Lot of six pieces. Cast in sandstone. Varying size back splashes and plaques. Largest measures 13" x 9" x .5". Smallest measures 3.75" x 2.5" x 1". Procured from a

Steel Engravings/Etchings Published 1859-62 by William Mackenzie, Edinburgh & London for "The Museum of Natural History" by John Richardson. Paper Size: 10.5 x 7 inch (27 x 18cm) Occasional background

Includes: "Kingdom of the Sea Shell" "The American Museum of Natural History Guide to Shells" "Indo-Pacific Coral Reef Field Guide" "Echinoderms of Florida and the Caribbean, Sea Stars, Sea Urchins an

Fossil Sea Urchin Morocco (Great Quality)

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

Permian Period, 285 million years BP. A complete preserved Mesosaurus brasiliensis skeleton in limestone; from the Irati-Formation, Parana Delta, Brazil. 4.4 kg, 48cm x 33cm (19 x 13"). From an old Br

Late Permian-Early Triassic Period, circa 252-250 million years B.P. In an irregular matrix. 12.2 kg, 43 cm (17 in.). From Madagascar. From a Cambridgeshire, UK, collection.This lot has been checked a

Devensian Period, 110,000-12,000 years B.P. Including the claws and bones, held together by an internal metal frame. 608 grams, 33 cm (13 in.). Ex Lincolnshire, UK, collection.

Cretaceous Period, 145-65 million years B.P. Possibly Pseudostacus hakeliensis, together with a fossil fish, possibly Rhinobatos sp., both showing some good detail. 4.5 kg, 41 cm (16 1/8 in.). From Le

Cretaceous Period, c.100 million years BP. A near complete fossil Barrasaurus marine 'dinosaur' skeleton in a matrix. 372 grams, 17.5cm (7"). From an East Anglia, UK, collection; from China.

Triassic Period, 250-200 million years BP. A complete fossil Keichousaurus hui marine 'dinosaur' skeleton on matrix. 1.5 kg, 27.3cm (10 3/4"). From a Lincoln palaeontological collection; acquired 1970

Late Cretaceous Period, circa 100-66 million years B.P.. A near complete Charonosaurus sp. hadrosaur egg, retaining the leathery surface, and possibly showing the internal remains at one corner. 1.73

Morocco, ca. Middle Jurassic (168 - 170 MYO). A very fine, fully inflated early sea urchin. MEASUREMENTS 3" diameter (7.6 cm). SHIPPING $15 flat-rate shipping in the continental U.S. (insurance additi

Late Permian-early Triassic Period, circa 255 million years B.P.. Two rare Barasaurus besairiei skeletons on a matrix. 2 kg, 29.5 cm (11 5/8 in.). From Plateau de I'lsala, Madagascar.Acquired 1950s-19

Neogene Period, circa 15-12 million years B.P.. A well preserved and prepared complete Tumidocarcinus giganteus from a classic fossil location; witha handwritten provenance label to verso. 926 grams,

Ammonoidea coiled shell cephalopod, probably Devonian to late Cretaceous period. [9 1/4 x 12 1/2 x 3 3/4 inches].

Eocene Period, 58-36 million years BP. A fossil mud lobster Thalassina sp. crayfish fossil, from Australia. 137 grams, 15.2cm (6"). From an old Bristol palaeontological collection; acquired 1950s-1960

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.

Silurian/Devonian Period, 443-358 million years BP. A fossil Scyphocrinus elegans crinoid in matrix from Erfoud, Morocco. 2 kg, 27.5cm (11"). Property of a Lincolnshire, UK, gentleman; acquired on the

Pliocene Period, 1.9 million years B.P. A stunning heterocentrotus sp. sea urchin fossil, showing exquisite detail; held in a white card collector's tray. 88 grams, 60 mm (2 3/8 in.). From Solo River

Silurian/Devonian Period, 443-358 million years BP. A fossil Scyphocrinus elegans crinoid in matrix from Erfoud, Morocco. 1.9 kg, 27.5cm (10 3/4"). Property of a Lincolnshire, UK, gentleman; acquired