Natural History

Bonhams London
Los Angeles 7601 W. Sunset Boulevard Los Angeles CA 90046 Tel: +1 323 850 7500 Fax : +1 323 850 6090 [email protected]

Datum der Auktion: 12.12.2010

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Baby Sea Scorpion

Eurypterus remipes Silurian Lan Quarry, Herkimer, New York Due to the presence of a scorpion-like tail which may have contained poison, Eurypterids are also known as sea scorpions. Offered is a baby sea scorpion, a charmingly diminutive specimen. Measures 2in long

Los #: 1000

Schätzpreis: 450 $ - 600 $

Datum: 12.12.2010

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Large Sea Scorpion

Eurypterus remipes Silurian Lan Quarry, Herkimer, New York The official state fossil of New York, this sea scorpion species is an extinct relative of the modern king crab. These prehistoric creatures preyed upon the earliest fishes, and are believed to have crawled along the ocean floor, seizing

Los #: 1001

Schätzpreis: 1.000 $ - 1.250 $

Datum: 12.12.2010

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Fossil Crabs

Archaeoperyon peruvianus Miocene Santa Cruz Formation Argentina A pair of fossil crabs in original matrix from Argentina. As the crabs were found in nodules, some of the legs are not complete. Measures 14.5 x 5 x 2.5in

Los #: 1002

Schätzpreis: 0 $

Datum: 12.12.2010

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Very Old Trilobite Species

Olenellus gilberti Lower Cambrian Nevada Living during the biological onslaught known as the Cambrian Explosion some 540 million years ago, Olenellus gilberti is among the oldest trilobites in the world. No evidence of complex life is found in the fossil record prior to the existence of this type of

Los #: 1003

Schätzpreis: 0 $

Datum: 12.12.2010

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Trilobite with Eye Stalks

Asaphus kotlukovi St. Petersburg, Russia The Wolchow River streams near St. Petersburg produce some of the best preserved and most beautiful, life-like trilobites in the world. This 450-million-year-old trilobite is one of the largest ever found in the region. Also displayed on the natural limestone

Los #: 1004

Schätzpreis: 0 $

Datum: 12.12.2010

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Classic American Trilobite

Arctinurus boltoni Middle Silurian Rochester Shale Formation, Middleport, New York Arctinurus is the undisputed King of all North American trilobites due not only to its exceptionally exotic and pleasing appearance, but also to the limited nature of its origin. Found only in the Rochester Shale

Los #: 1005

Schätzpreis: 0 $

Datum: 12.12.2010

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Giant Symphisurina asaphus Trilobite

Symphisurina asaphus Ordovician Morocco Trilobite fossils garner attention from collectors around the world for their wide variety of sizes and shapes. Offered is an impressive and rare Moroccan trilobite, Symphisurina asaphus, beautifully preserved on matrix. The color contrast of this unique

Los #: 1006

Schätzpreis: 0 $

Datum: 12.12.2010

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Marine Reptile Fossil

Keichousaurus hui Triassic Central Asia Keichousaurus was an early reptile that lived approximately 240 million years ago. The animals were small, usually about 6 to 12 inches long, with a long neck and tail, five-toed feet, and a pointed head with sharp teeth. The present specimen is an adult

Los #: 1007

Schätzpreis: 0 $

Datum: 12.12.2010

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Marine Reptile Skull

Ichthyosaurus Jurassic Holzmaden, Germany A marine reptile, the ichthyosaur is believed to have filled a similar ecological niche as today's dolphin. Of all known reptiles, they were best adapted to a marine existence. Ichthyosaurs are important in the field of evolutionary biology as their fossils

Los #: 1008

Schätzpreis: 2.000 $ - 2.500 $

Datum: 12.12.2010

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Fossil Amphibian

Letoverpeton austriacum Permian Czech Republic Letoverpeton lived before the dinosaurs in the Early to Middle Permian. Little is known of these primitive amphibians, which are extremely rare members of the Discosauriscidae family. Measures 9 x 7 x 1;in Specimen measures 5.5in

Los #: 1009

Schätzpreis: 1.200 $ - 1.500 $

Datum: 12.12.2010

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Early Reptilian

Captorhinus magnus Permian Admiral Formation, Oklahoma Captorhinus magnus, a rare prehistoric reptile, was one of the very first reptiles found in the fossil record, and one of the first that laid its eggs on dry land. This early ancestor of synapsids and other reptiles was a plant eater. It is

Los #: 1010

Schätzpreis: 6.000 $ - 7.500 $

Datum: 12.12.2010

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Stylemys Skull with Leg Bones

Stylemys sp. Oligocene White River Formation, South Dakota Many specimens of this first fossil genus of dry land tortoise are found in mere fragments. This specimen is an excellent skull with front leg elements. Offered in a rounded glass display with wooden base. Measures 4 x 3 x 1.5in

Los #: 1011

Schätzpreis: 600 $ - 750 $

Datum: 12.12.2010

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Large Stylemys Tortoise

Stylemys sp. Oligocene White River Formation, South Dakota The first fossil genus of dry land tortoise, Stylemys lived throughout temperate to subtropical areas of North America, Europe and Asia. Many fossil turtle shell specimens from the White River Badlands are found only in fragments. However

Los #: 1012W

Schätzpreis: 4.500 $ - 6.000 $

Datum: 12.12.2010

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Large Tortoise

Stylemys sp. Oligocene South Dakota Stylemys was the first fossil tortoise belonging to the order Testudines discovered in the United States. The genus lived in temperate-to-subtropical areas of North America, Europe, and Asia. First described in 1851 by Dr. Joseph Leidy, it was common in the

Los #: 1013W

Schätzpreis: 15.000 $ - 20.000 $

Datum: 12.12.2010

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Holzmaden Crinoid and Ammonites

Seirocrinus subangularis, Dactylioceras commune Jurassic Posidonienschiefer Formation, Holzmaden, Germany The 180-million-year-old Posidonia Shale of Holzmaden is famous for its exceptional preservation of prehistoric marine animals. This large black slate contains a beautiful 19-inch crinoid, which

Los #: 1014W

Schätzpreis: 2.250 $ - 2.750 $

Datum: 12.12.2010

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Exquisite German Sea Lily

Seirocrinus subangularis Lower Jurassic Posidonienschiefer Formation, Holzmaden, Germany The crinoid, also known as the sea lily or feather star, is distantly related to the starfish, brittle star, and sea urchin. The crinoid is one of the world's living fossils. The most desirable fossil specimens

Los #: 1015W

Schätzpreis: 60.000 $ - 80.000 $

Datum: 12.12.2010

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Large Madagascar Ammonite on Metal Stand

Madagascar Classical in form and prodigious in size, this marvelous ammonite specimen has been artfully mounted on a contemporary-style rust-patinated metal stand which emphasizes the natural earth-tones of the prehistoric nautiloid. An impressive decorative focal point for home or office. Measures

Los #: 1016W

Schätzpreis: 2.500 $ - 3.500 $

Datum: 12.12.2010

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Canadian Ammonite in Matrix

Placenticeras costatum Upper Cretaceous Bearpaw Formation, Southern Alberta, Canada Prized by collectors, the 70 -75-million-year-old ammonite specimens from the Bearpaw Formation display a spectacular palette produced by light interference by the shell's layers. The flashing colors are produced not

Los #: 1017

Schätzpreis: 12.000 $ - 15.000 $

Datum: 12.12.2010

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Canadian Ammonite

Placenticeras meeki Upper Cretaceous Bear Paw Formation, Southern Alberta, Canada One of the largest and finest specimens of its kind from this locality, this beautiful ammonite on matrix displays stunningly brilliant coloration, predominantly red to green, from every angle. Ammonites from this

Los #: 1018W

Schätzpreis: 0 $

Datum: 12.12.2010

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Fossil Starfish Plate

Indeterminate species Free standing limestone plate or irregular outline with 6 fossil starfish. Measures 14 x 8 x 2 in

Los #: 1019

Schätzpreis: 800 $ - 1.200 $

Datum: 12.12.2010

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Colorful Petrified Wood Specimen

Indeterminate Species Miocene Hampton Butte, Oregon This beautiful complete slice of rainbow-colored fossilized wood features green jasper at one edge with a swirl of colors ranging from mustard to orange to red. Some grains of wood are visible; this specimen may originate from a poplar tree though

Los #: 1020

Schätzpreis: 700 $ - 900 $

Datum: 12.12.2010

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Fossil Fern Plate

Alethopteris, Neuropteris, Pecopteris, Sphenophyllum Pennsylvanian Llewellyn Formation, St. Claire, Pennsylvania 330 million years ago, these plants died and fell into a marsh, where a low temperature, low oxygen environment allowed the plant tissue to be slowly replaced by pyrite (from sulphides

Los #: 1021W

Schätzpreis: 1.000 $ - 1.500 $

Datum: 12.12.2010

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Rare Green Petrified Wood Log Section and a Cross-Section Slice

Woodworthia sp. Triassic Holbrook, Arizona A well-preserved specimen of a very rare variety of natural color green petrified wood of the species woodworthia, an ancient spiny wood. The green coloration is due to traces of the mineral chromium. This very rare petrified wood comes from a small

Los #: 1022

Schätzpreis: 2.000 $ - 3.000 $

Datum: 12.12.2010

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Massive Giant Fern Tree Specimen

Lepidodendron Carboniferous Period Coal Mine, Letcher County, Kentucky Certainly one of the largest Lepidodendron specimens to come to market, this giant fern tree portion tells the story of the formation of Earth's coal deposits. A major inhabitant of the coal-forest swamps, which existed 320

Los #: 1023W

Schätzpreis: 5.000 $ - 6.500 $

Datum: 12.12.2010

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Upper Portion of Giant Fern Tree

Lepidodendron Carboniferous Period, Pennsylvanian Coal Mine, Letcher County, Kentucky The dense Carboniferous swamps that supported countless magnificent fern-like trees 280 million years ago yielded the fossil fuels upon which humans rely today. Displaying diamond-shaped scales evoking its

Los #: 1024

Schätzpreis: 3.000 $ - 4.000 $

Datum: 12.12.2010

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Magnificent Palm Frond

Sabalites sp. Eocene Green River Formation, Wyoming A rare species for its geologic formation, this spectacular fossil palm frond is a captivating natural work of art embedded in the limestone matrix in which it lay for 51 million years before its discovery. Though it was excavated in the high

Los #: 1025W

Schätzpreis: 0 $

Datum: 12.12.2010

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Superb European Fossil Fish

Mene rhombea Eocene Monte Bolca Verona, Italy Representing an assemblage of the earliest known coral reef fishes, specimens found in the lagerstatte, Monte Bolca, are highly valued. Monte Bolca was one of the first sites of high quality fossil preservation discovered in Europe. It is composed of

Los #: 1026

Schätzpreis: 7.500 $ - 9.000 $

Datum: 12.12.2010

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Huge Carcharodon megalodon Tooth

Carcharodon megalodon Miocene South Carolina Though Carcharodon megalodon was the largest shark that ever lived, growing to over 50 feet in length, most megalodon teeth found are only 3-4 inches in length. Teeth over 5 inches are in great demand; specimens reaching 6 inches in length are those to

Los #: 1027

Schätzpreis: 0 $

Datum: 12.12.2010

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Stingray with Numerous Fish - Wall Mural

Heliobatis radians, Mioplosus labracoides, Knightia eocaena Eocene Green River Formation, Wyoming An aesthetically pleasing, irregularly shaped wall mural beautifully displays a freshwater stingray specimen and a fossil fish from the Eocene. The famous Green River Formation yields some of world's

Los #: 1028W

Schätzpreis: 3.000 $ - 4.000 $

Datum: 12.12.2010

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Elegant Fossil Fish Mosaic

Mioplosus labracoides, Diplomystus dentatus, Knightia eocaena Eocene Green River Formation, Wyoming Renowned for their excellent preservation, specimens from the Green River Formation represent the fauna of an ancient freshwater lake system which existed in the subtropical Eocene environment, in

Los #: 1029W

Schätzpreis: 7.000 $ - 9.000 $

Datum: 12.12.2010