Natural History

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Datum der Auktion: 17.05.2011

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Seven Fossil Feathers

Unknown species Cretaceous Central Asia At 135-125 million years old, these seven feathers are some of the oldest found, exceeded in age only by 150-million-year-old Archaeopteryx bird feathers from Solnhofen. Exhibiting varying characteristics of flight and flightless origins, these early feathers

Los #: 3000

Schätzpreis: 1.250 $ - 1.500 $

Datum: 17.05.2011

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Fossil and Modern Cricket Display

Order: Orthoptera Cretaceous Santana Formation, Brazil The fossil cricket offered here is a finely detailed and well-preserved specimen which has been prepared under a microscope. It is displayed beside a modern cricket encased in acrylic. Prepared and mounted by Annesuse Raquet-Schwickert of

Los #: 3001

Schätzpreis: 0 $

Datum: 17.05.2011

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Fossil and Modern Dragonfly Display

Order: Odonata, Cordulagomphus sp. Cretaceous Santana Formation, Brazil A fascinating display of two dragonflies - a fossil dragonfly from 125 million years ago beside a modern descendant. The wings of the Cretaceous dragonfly exhibit remarkable preservation, which can be directly compared to the

Los #: 3002

Schätzpreis: 1.500 $ - 1.800 $

Datum: 17.05.2011

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Stromatolite Slab

Cretaceous El Molina Formation, Bolivia A spectacular stromatolite specimen. Stromatolite is the fossilized remains of alternating sediment and cyanobacteria (blue-green algae) colony layers. Cyanobacteria were among the first forms of life on Earth. This stromatolite slab contains a literal record

Los #: 3003

Schätzpreis: 1.200 $ - 1.500 $

Datum: 17.05.2011

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Stromatolite Slab

Cretaceous Bolivia As one of the oldest of Earth’s fossils, stromatolite offers an intriguing peek into the emergence of life on Earth. Created by fossilized layers of cyanobacteria (blue-green algae) and sediment, this piece contains a record of early life dating back over 3 billion years. This

Los #: 3004

Schätzpreis: 0 $

Datum: 17.05.2011

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Fossil Giant Clam Shell

Tridacna sp. Pleistocene Kenya Fossilized clamshells are found in coral reef limestone along coastal area quarries. The limestone is the building block in the production of cement. This coral reef was formed during the Pleistocene historic period, the time of the Ice Ages. The main build up of the

Los #: 3005W

Schätzpreis: 0 $

Datum: 17.05.2011

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Brittle Stars Mass Mortality Plate

Class: Ophiuroidea Ordovician Lkaidrami, Messeu, Southern Morocco Finding a complete starfish is difficult, as the delicate arms break off quite easily during the fossilization process. Finding a mass burial of more than 20 complete and nearly complete starfish is extraordinary. This large

Los #: 3006

Schätzpreis: 650 $ - 800 $

Datum: 17.05.2011

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Pair of Fossil Pine Cones

Araucaria mirabilis Jurassic Patagonia A pair of pine cones exhibiting numerous spirally arranged seed-scales on matrix. From the George Lee collection of Southern California. Matrix measures 6 1/2 x 5 x 3 1/2in, Each pine cone measures 3in

Los #: 3007

Schätzpreis: 0 $

Datum: 17.05.2011

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Fossil Fern Plate

Alethopteris, Neuropteris, Pecopteris, Sphenophyllum Pennsylvanian Llewellyn Formation, St. Claire, Pennsylvania Dramatic contrast is seen in white ferns on the black shale sediment in which they were fossilized. These plants died and fell into a marsh, 330 million years ago, where a low

Los #: 3008W

Schätzpreis: 0 $

Datum: 17.05.2011

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Petrified Wood Stump

Araucarioxylon arizonicum Triassic Chinle Formation, Arizona Suitable for use as a bench, this is classic petrified wood at its finest. The contour polished top reveals a rich interplay of brilliant red, ochre, yellow and white hues. With complete bark texturing all around. Measures 13 x 23 x 21in

Los #: 3009W

Schätzpreis: 4.000 $ - 6.000 $

Datum: 17.05.2011

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Indonesian Petrified Wood Log

Indeterminate species Miocene Java, Indonesia An attractive specimen of polished petrified wood featuring contrasting black and white tones. Fossil wood from this location consists of tropical hardwoods, such as teak. The present offering provides a beautiful example of the varying neutral tones

Los #: 3010

Schätzpreis: 0 $

Datum: 17.05.2011

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Javanese Petrified Wood Log

Indeterminate species Miocene Java, Indonesia This charming specimen of petrified wood exhibits a beautiful mottled coloration and has been polished around the top end. Offered with a wooden base. Measures 30.5 x 8 x 6in

Los #: 3011W

Schätzpreis: 1.100 $ - 1.300 $

Datum: 17.05.2011

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Indonesian Petrified Wood Log

Indeterminate species Miocene Java, Indonesia This exquisite petrified wood log exhibits lovely cream coloration mingled with patches of charcoal, cocoa and honey shades with dashes of rust tones, fusing into a beautiful natural composition. Polished to accentuate the beauty of its simple shape

Los #: 3012W

Schätzpreis: 2.200 $ - 2.800 $

Datum: 17.05.2011

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Petrified Wood Stump

Woodworthia sp. Of majestic columnar form, this is a substantial preserved tree trunk of agatized wood. The contour polished top reveals a dramatic black interior with white veining. Measures 29 x 19 x 11in

Los #: 3013W

Schätzpreis: 0 $

Datum: 17.05.2011

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Two Large Petrified Wood Slabs

Triassic Araucaria sp. Madagascar Such large slabs of petrified wood from Madagascar are typically unheard of. Originating from the coniferous tree of the Araucaria species, each of these well-preserved cross-section slabs has an oval outline and is distinguished by rich tans, browns and ochres. The

Los #: 3014

Schätzpreis: 2.500 $ - 3.500 $

Datum: 17.05.2011

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Book-Matched Pair of Large Petrified Wood Slabs

Araucarioxylon arizonicum Triassic Chinle Formation, Arizona Perfect for serving as a set of end tables, it is extremely rare to find consecutive slabs of petrified wood. Each of roughly oval outline, consisting of predominantly black hues, the concentric growth lines and original cellular structure

Los #: 3015W

Schätzpreis: 8.000 $ - 10.000 $

Datum: 17.05.2011

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Large, Exceptional Petrified Wood Slab

Auracarioxylon arizonicum Triassic Chinle Formation, Arizona A beautiful and decorative petrified wood slab exhibits a profusion of colors including warm reds, grays, ivories, yellows and watery bluish-purple tones. Specimens from the Chinle Formation are known for their breathtaking array of color

Los #: 3016W

Schätzpreis: 0 $

Datum: 17.05.2011

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Large Petrified Wood Tabletop

Fossil Pine Triassic Northern Arizona A gorgeous round of petrified wood, exhibiting soft swirls of neutral hues marking the original tree's growth rings, displays unusual ochres and a wide variety of subtle, neutral colors which would complement any interior design scheme - ranging from chocolate

Los #: 3017W

Schätzpreis: 0 $

Datum: 17.05.2011

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Calcite-Filled Fossil Clam Shells

Mercenaria permagna Pleistocene Nashua Formation, Fort Drum Crystal Mine, Okeechobee County, Florida Dazzling calcite crystals have formed inside these two fossilized clam specimens in their original matrix. They were found in the only known locality in the world yielding this unusual type of

Los #: 3018¤

Schätzpreis: 0 $

Datum: 17.05.2011

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Opalized Belemnite

Neohilobites sp. Cretaceous Coober Pedy, South Australia The shells of the extinct squid-like marine cephalopod are geomorphically replaced by precious opal. Therefore they retain the shape of the once-living belemnite shell while also exhibiting the attributes of opal. This well-polished belemnite

Los #: 3019

Schätzpreis: 0 $

Datum: 17.05.2011

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Opalized Clam Shell Cluster in Matrix

Eyrena tatei, Cyrenopsis australiensis, Cyrenopsis meeki Bulldog Shale, Early Cretaceous (Aptian) Coober Pedy, South Australia, Australia In a unique combination of fossil and gemstone, over 20 opalized shells on matrix display the stunning opal replacement unique to their locality. During the

Los #: 3020

Schätzpreis: 0 $

Datum: 17.05.2011

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Scaphite and Ammonite Cluster

Hoploscaphites, Discoscaphites, Placenticeras Upper Cretaceous Fox Hills Formation, South Dakota This natural group of ammonites, in a matrix nodule, represents the vast variety of species – and the superb quality of the specimens - comprising the famous Fox Hills Formation of Western South Dakota

Los #: 3021

Schätzpreis: 0 $

Datum: 17.05.2011

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Pair of Large Mounted Ammonites

Cranosphinctes Jurassic Madagascar An attractively-shaped and robust pair of ammonites from Madagascar displaying warm cream, ivory and ochre coloration, the neutral pallet of which would combine nicely with almost any interior color scheme. Artfully mounted on a custom steel stand. Ammonites with

Los #: 3022

Schätzpreis: 0 $

Datum: 17.05.2011

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English Ammonite on Matrix

Asteroceras obtusum Lower Lias, Early Jurassic England Creamy white matrix contrasted with the sutures (growth plates) of this English ammonite produces a gorgeous appearance. The specimen displays the ribbed outer layer of the shell as well as the inner suture layer. From the George Lee collection

Los #: 3023

Schätzpreis: 0 $

Datum: 17.05.2011

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Scunthorpe Ammonite

Asteroceras sp. Jurassic Frodingham Ironstone Quarry, Scunthorpe, England The famous Frodingham Ironstone Quarry is no longer in operation, nor are any Scunthorpe excavation sites; therefore, no specimens will be collected from this famous locality in the future. Exhibiting dramatic color contrast

Los #: 3024

Schätzpreis: 0 $

Datum: 17.05.2011

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Loosely Coiled Ammonite

Didymoceras nebrascenense Upper Cretaceous Pierre Shale Formation, Southwestern South Dakota The most desirable of all ammonites are the coprolitic heteromorph (loosely coiled) ammonites, such as Didymoceras. These rare specimens cannot be commercially collected or mined and are only randomly found

Los #: 3025

Schätzpreis: 4.000 $ - 5.000 $

Datum: 17.05.2011

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Attractive Uncoiled Ammonite

Proaustraliceras sp. Jurassic Volga River, Ulianovsk region, Russia Offered is a gracefully uncoiled Proaustraliceras ammonite. It has been carefully prepared, featuring lovely mother-of-pearl iridescence with soft-hued undertones. This is a beautiful and naturally artistic specimen, perfect for

Los #: 3026

Schätzpreis: 3.250 $ - 3.750 $

Datum: 17.05.2011

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Uncoiled Cephalopod

Proaustraliceras sp. Jurassic Volga River, Ulianovsk region, Russia This delicately uncurled ammonite has been carefully prepared on its original matrix and displays iridescent mother-of-pearl surfaces on its ribbed shell. Measures 11 x 8 x 3.5in

Los #: 3027

Schätzpreis: 2.400 $ - 2.800 $

Datum: 17.05.2011

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Breathtaking Red American Ammonite

Sphenodiscus sp. Upper Cretaceous Fox Hills Formation, North Central South Dakota An extraordinary occurrence, here is a large, complete example of one of the most beautiful American ammonites, Sphenodiscus. The specimen exudes exceptional rarity and quality, revealing an entire shell preserved with

Los #: 3030

Schätzpreis: 14.000 $ - 16.000 $

Datum: 17.05.2011

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Canadian Ammonite in Matrix

Placenticeras costatum Upper Cretaceous Bearpaw Formation, Southern Alberta, Canada Coveted by collectors the world over, the 75- to 70-million-year-old ammonite specimens from the Bearpaw Formation display a spectacular palette produced by light interference within the shells' layers; these layers

Los #: 3031

Schätzpreis: 0 $

Datum: 17.05.2011