This specimen of "Sinaranea metaxyostraca" is one of the oldest arachnid fossil known to date as it is about 165 million years old.

This hairy little jurassic monster is remarkable for a variety of reasons:

First, finding fossilized spiders isn't easy, because the soft bodies of arachnids "don't keep well" as experts says.
Preservation is astonishing, the detail with which this fossil is preserved is amazing, allowing to examine minute details of this extinct species like chelicerae and hairy abdomen and legs.
8 legs are well preserved!

Secondly, the fossil is extremely old, from the Middle Jurassic, 165 million year old.
According to the researcher, the fossil of this spider "was formed when it was trapped in volcanic ash" which allowed this surprising state of conservation.
The morphological conservation between these fossil Plectreuroids and their modern counterparts displays strong evolutionary conservatism.

This specimen was found in Inner Mongolia, in an area plagued with fossils of salamanders, small primitive mammals, insects and crustaceans.

Finally, spiders are highly-coveted by collectors.

Spider is 9 mm from leg to leg.
Matrix is 27 x 25 mm.

Photos are taken with professional ultra macro lens and with different light sources to show that the fossil is not flat.

This specimen of "Sinaranea metaxyostraca" is one of the oldest arachnid fossil known to date as it is about 165 million years old.

This hairy little jurassic monster is remarkable for a variety of reasons:

First, finding fossilized spiders isn't easy, because the soft bodies of arachnids "don't keep well" as experts says.
Preservation is astonishing, the detail with which this fossil is preserved is amazing, allowing to examine minute details of this extinct species like chelicerae and hairy abdomen and legs.
8 legs are well preserved!

Secondly, the fossil is extremely old, from the Middle Jurassic, 165 million year old.
According to the researcher, the fossil of this spider "was formed when it was trapped in volcanic ash" which allowed this surprising state of conservation.
The morphological conservation between these fossil Plectreuroids and their modern counterparts displays strong evolutionary conservatism.

This specimen was found in Inner Mongolia, in an area plagued with fossils of salamanders, small primitive mammals, insects and crustaceans.

Finally, spiders are highly-coveted by collectors.

Spider is 9 mm from leg to leg.
Matrix is 27 x 25 mm.

Photos are taken with professional ultra macro lens and with different light sources to show that the fossil is not flat.

Exemplar
Herrlich selten erhaltenes Spinnenfossil – 8 Beine!
Wissenschaftlicher Name
Zhizhu daohugouensis
Geologischer Zeitraum
Jura (201,3 - 145 Millionen Jahre)
Zustand
Naturbelassen

319 Bewertungen (51 in den letzten 12 Monaten)
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Hervorragende Verpackungstechnik für so einen grazilen, sensiblen Ammoniten. Ein wunderbares Sammlerstück!

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user-fe26c4ab551f

Todo perfecto, como siempre. Rápido e inmejorablemente embalado y protegido. Bonito fósil. Muchas gracias

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user-08d093e

Second time I bought a fossil at DonFossils through Catawiki. Again a beautiful specimen. It was also very well packed, so a shout out to the way DonFossils works. Great company

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user-21903eb09c74

Vendedor muy profesional, los envíos llegan muy bien empaquetados y siempre a tiempo.....muy contento con este vendedor.👍

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user-3580a94

Beautiful specimen shipped with safe and strong packaging. Very good!

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user-918774b

Trés bon vendeur , trés serieux dans notre transaction . A recommander . A renouveller pour une autre achat en ce qui me concerne . Merci

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user-3a148a4cf203

Vielen Dank für diesen schönen Ammoniten. Dieser kam heute an; die Verpackung war perfekt. Ich bin sehr zufrieden.

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user-b3a638c

Object corresponding to the description, packaging more than perfect.

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user-cce5287511ae

Fast delivery, profesionnal package. The object is excellent, I am very happy with it.

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LeonStrous

Extremely well packaged. Item arrived safely, thank you!

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user-ee7b3d1

het is uitstekend verpakt, maar er is wel een stukje van het fossiel afgebroken. De foto's zijn niet helemaal goed van kleur, het fossiel is donkerder.

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Wilbo

Esemplare ottimamente conservato come da foto, arrivato in tempi rapidi e ben imballato.

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user-cb3687b

Vendedor muy profesional , llevo años comprando sus fósiles y nunca me han decepcionado , seguiré disfrutando de sus fósiles.😃👍👍

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user-3580a94

Vendedor muy profesional , nunca decepciona y siempre tiene detalles con el comprador, volveré a apostar por él.👍👍

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user-3580a94
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319 Bewertungen (51 in den letzten 12 Monaten)
  1. 50
  2. 1
  3. 0

Hervorragende Verpackungstechnik für so einen grazilen, sensiblen Ammoniten. Ein wunderbares Sammlerstück!

Übersetzung ansehen
user-fe26c4ab551f