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En ægte eocæn fossilfisk, bevaret i finkornet matrix fra de gamle ferskvandssøer i Nordamerika.
Fiskefossiler fra eocæn (33,9–56 millioner år siden) udgør nogle af de tidligste velbevarede hvirveldyrrester i fossilregistret. Forhistoriske fisk levede i stimer og findes derfor ofte bemærkelsesværdigt tæt på hinanden — lejlighedsvis endda stablet oven på hinanden — hvilket giver et levende indblik i dynamikken i fortidens vandliv. Studiet af disse eksemplarer hører under disciplinen palæoiktyologi, og deres hyppighed gør dem til et af de mest tilgængelige udgangspunkter for seriøs fossilsamling.
Dette er ægte fossiler. Det er almindeligt, at preparatorer påfører matrixen en brun beskyttende bejdse og foretager en let rekonstruktion af finnernes placering for at sætte eksemplaret i kontekst — en standardpraksis, der letter fortolkningen uden at forringe fossilens autenticitet. Hvert eksemplar er håndudvalgt fra lageret inden for det angivne størrelsesinterval; farve, matrixens karakter og bevaringsdetaljer varierer som ved alle naturlige eksemplarer. Det viste billede er kun vejledende.
Detaljer om eksemplaret:
Udstilling og samling:
Et ideelt fossil til nye samlere, skoler og naturhistoriske udstillinger. Det passer godt sammen med andre eocæne eksemplarer og materiale fra Green River-formationen eller som et hvirveldyrmæssigt modstykke i en bredere samling af forhistoriske genstande.
£69.99 GBP
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non ho mai ricevuto l'ordine
the 2 arrived in perfect shape! I love them so much they are beautiful, delivery was very nice and packaging was great! would buy again!
Good size, well padded in the frame ,nice placement .
Perfect specimens. Very well packaged. Thank you!
Beautiful cicadas. Every specimen perfect. Thank you!
Perfect specimens. Good variety. Thank you!
Perfect specimens as always. Thank you!
So pretty and delicate — thank you
Great pieces. Very happy. Fast Shipping.
Perfect timing thanks so much!!
I received this a while ago and they were perfect! Actually arrived the day before I needed them it was so awesome. I had ordered them for a guy I was interested in who is a big entomology nerd. He’s now my boyfriend so thank you for assisting me with that 🫶🏻
Perfect item, really well packaged, exactly as described! My partner is very happy he has been looking for one for a while!
Extremely high quality material. Thanks!
Nice big beetles, all in perfect condition. Would recommend
Really lovely specimens, would recommend
the packcage arrived very fast, the attention was excelent by the seller. Definitely a good experience buying from this seller.
inclreible la verdad llego incluso mas rapido de lo que decia que llegaria
packed beautifully, sent fast. only issue is a bit of mold growth on one specimen, but nothing that can't be fixed with some isopropyl alcohol
Very large perfectly spread specimens. Thank you!
Very big, perfectly spread specimens. Thank you!
These specimens were really big! Very pleased with them, thank you!
Very happy customer
Perfect, thank you! Really appreciate
Beautiful specimens, had a problem with customs in my country but it wasn't that big an issue. Can't wait to buy more eventually!!
Beautiful. Thank You, I love it :-)
EKSTRA 5% RABAT
For førstegangskunder (brug koden: FIRST5)
