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Manuel Quiring

Bellissimo enorme piastra con diversi esempliri di Orthoceras proveniente dal Marocco. Questi animali marini sono stati tra le prime forme viventi ad abitare il pianeta. Ritrovamento Sahara nord occidentale.
Gli Orthoceras sono molluschi cefalopodi estinti, appartenenti ad un gruppo ormai scomparso. Queste creature marine vivevano negli oceani diverse centinaia di milioni di anni fa, principalmente durante i periodi Ordoviciano e Siluriano. Il loro nome, che in greco significa “corno dritto”, si riferisce alla caratteristica forma della loro conchiglia conica e allungata. Questo guscio era diviso in ambienti, separati da tramezzi, e attraversati da un sifone.
Il guscio di Orthoceras è probabilmente la loro caratteristica più distintiva. Era costituito da aragonite, minerale che forma anche le conchiglie di molti molluschi attuali. Nel corso del tempo, e sotto l'effetto di processi geologici quali sedimentazione e mineralizzazione, queste conchiglie si fossilizzarono, dando origine agli esemplari che ammiriamo oggi.
I fossili di Orthoceras sono preziosi testimoni della vita marina di un'epoca passata. Il loro studio permette agli scienziati di ricostruire antichi ecosistemi, comprendere l'evoluzione delle specie e comprendere meglio i principali cambiamenti che hanno segnato la storia della Terra.

Ordovician (485.4 - 443.8 million years) - Morocco

Orthoceras - Fossilised animal - 30 cm

Fossils

Reserve price

No reserve price

Closing date

tomorrow

Monday

Thursday

Tuesday

13 September

Wednesday

Budget

From

Location

France

The Netherlands

Spain

Italy

Germany

Hong Kong

Taiwan

United Kingdom

Belgium

Romania

Austria

Poland

Singapore

Slovak Republic

Size

S (10–40 cm)

XS (under 10 cm)

M (40–80 cm)

L (over 80 cm)

Dimensions

Height

Width

Depth

Object

Fossilised animal

Fossil tooth

Amber

Fossilised plant

Fossil matrix

Fossil teeth

Fossil skeleton

Fossil skull

Fossilised shell

Fossil carapace

Fossil plate matrix

Fossil bone

Fossilised jaw

Fossilised claw

Fossil fragment

Fossil mortality plate

Fossil molar

Fossilised wood

Fossilised tusk

Fossilised egg

Claw

Fossil mandible bone

Fossil vertebra bone

Fossil rib

Raw mineral

Country of origin

Morocco

Madagascar

China

Indonesia

Myanmar

Asia

North America

United States

Lebanon

Netherlands

Canada

Algeria

Hungary

Niger

Russia

Africa

Europe

U.S.

Condition

Natural

Restored

Enhanced

Reassembled

Composed

Manipulated

Good condition

As new

Period

Cretaceous (145 - 66 million years)

Cretaceous, Upper (100.5 - 66 million years)

Neogene, Miocene (23.03 - 5.33 million years)

Cretaceous, Lower (145 - 100.5 million years)

Jurassic, Upper (163.5 - 145 million years)

Neogene (23.03 - 2.58 million years)

Triassic (251.9 - 201.3 million years)

Devonian (419.2 - 358.9 million years)

Quaternary, Pleistocene (2.58 - 0.0117 million years)

Jurassic (201.3 - 145 million years)

Jurassic, Lower (201.3 - 174.1 million years)

Paleogene, Eocene (56 - 33.9 million years)

Carboniferous, Pennsylvanian (323.2 - 298.9 million years)

Devonian, Middle (393.3 - 382.7 million years)

Triassic, Middle (247.2 - 237 million years)

Carboniferous (358.9 - 298.9 million years)

Ordovician (485.4 - 443.8 million years)

Triassic, Lower (251.9 - 247.2 million years)

Quaternary (2.58 - 0 million years)

Triassic, Upper (237 - 201.3 million years)

Jurassic, Middle (174.1 - 163.5 million years)

Devonian, Lower (419.2 - 393.3 million years)

Paleogene, Paleocene (66 - 56 million years)

Paleogene, Oligocene (33.9 - 23.03 million years)

Permian (298.9 - 251.9 million years)

Certification

Non-CITES species

Subject

Archaeology

Edition

1st Edition

Language

English

Original/ Replica

Original/official

Refurbished original

Treatment

Conserved

Polished

Composite

Before 1400

1900-2000

Specimen

Megalodon

Dinosaur

Ammonite

Spinosaur

Mosasaur

Trilobite

Fish

Marine reptile

Carcharodontosaur

Fossil

Shark

Woolly Mammoth

Woolly Rhinoceros

Burmese amber

Crinoid

Petrified wood

Ammolite

Insect

Plesiosaur

Stegodont

Spiny Trilobite

Cave Bear

Fern

Horsetail

Provenance

Private collection

Cretaceous (145 - 66 million years) - China

Fish - Fossilised animal - Lycoptera - 11 cm  (No reserve price)

Cretaceous (145 - 66 million years) - Myanmar

Wasp - Amber - 22 mm - 31 mm  (No reserve price)

Cretaceous (145 - 66 million years) - Morocco

Spinosaur - Fossil tooth - 95 mm - 25 mm

Triassic (251.9 - 201.3 million years) - China

Fossil reptile: Keichousaurus - a rare testimony from the Triassic - Fossilised animal - Keichousaurus

Quaternary (2.58 - 0 million years) - Netherlands

Woolly Mammoth - Fossil bone - Mammuthus primigenius  (No reserve price)

Cretaceous, Upper (100.5 - 66 million years) - Morocco

Dinosaur - Fossil tooth - Carcharodontosaurus Saharicus

Spinosaur - Fossil tooth - 85 mm - 25 mm

Upper Cretaceous, Cenomanian stage ( 96 million years)

Rare pathological double-barbed rostral denticle of Onchopristis numidus - Cretaceous Sawfish - Fossil tooth

Quaternary, Pleistocene (2.58 - 0.0117 million years) - Asia

Fossil skull - Homotherium ( saber-toothed tiger) - 33 cm - 24 cm

Cretaceous, Lower (145 - 100.5 million years) - China

Fossilised animal - Dalinghosaurus - 55 cm - 30 cm

Plesiosaur - Fossil tooth  (No reserve price)

Cretaceous, Upper (100.5 - 66 million years) - Asia

Fossil matrix - Genibatrachus baoshanensis - 20 cm - 20 cm

Fossils

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Orthoceras - Fossilised animal - 30 cm

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