Natural History - Fossil Keichousaurus Marine Reptile Skeleton

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

Triassic Period, c.250 million years BP. A complete fossil Keichousaurus hui in a veined rectangular matrix. 2.8 kg, 29cm wide (11 1/2"). From Xingyi, Guizhou, China. Acquired 1970s-1980s. Old Lincoln

Triassic Period, c.250 million years BP. A complete fossil Keichousaurus hui skeleton in a veined rectangular matrix. 2.4 kg, 33.5cm wide (13 1/4"). From Xingyi, Guizhou, China. Acquired 1970s-1980s.

Triassic Period, 250-200 million years B.P. A complete fossil Keichousaurus hui skeleton in a veined rectangular matrix. 1.28 kg, 25 x 18 cm (9 7/8 x 7 in.). From a Lincolnshire, UK, collection. Keich

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

Jurassic Period, 199-145 million years BP. Two dorsal vertebrae from the Ichthyosaur marine reptile. 559 grams, 8.5cm (3 1/4"). Property of a Lincolnshire, UK, gentleman; acquired on the UK art market

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.

Guizhou, China, ca. Triassic (251 - 201 MYO). Huge Keichousaurus complete skeleton prepared in the USA with air abrasives. MEASUREMENTS Plate 9.5" wide x 13" tall x .75" thick (24.1 x 33 x 1.9 cm). Sp

Keichousaurus hui. Guizhou, China, ca. Triassic (251 - 201 myo). An enormous and high-quality keichousaur prepared in the US with air abrasive techniques, not acid. MEASUREMENTS Specimen 12 inches lon

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

This is 7.5"x 11" piece of black shale contains the fossil imprint of a Keichousaurus, a marine reptile from the Triassic/Jurassic period. First discovered in 1957 in China, this particular specimen a

Middle Miocene Period, circa 13 million year B.P. From Chelotriton paradoxus (Pomel, 1853) on a thin stone matrix mounted on a fibreglass box matrix. 808 grams, 18.5 cm (7 1/4 in.). From Gacko Formati

Lower Cretaceous Period, 120 million years BP. A complete Sinohydrosaurus lingyuanensis, also known as Hyphalosaurus lingyuanensis fossil skeleton on a matrix; from the Yixian Formation, Lingyuan, Lia

Fossil Keichousaurus China

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

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

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

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