Bilim İnsanları 450 Milyon Yıllık Deniz Canlısına Ait Çok Nadir Yumuşak Doku Fosili Buldu

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Bilim İnsanları 450 Milyon Yıllık Deniz Canlısına Ait Çok Nadir Yumuşak Doku Fosili Buldu 07.07.2026

Gizmodo

Bilim insanları, yaklaşık 450 milyon yıl öncesine dayanan ve yumuşak dokuları koruyan, crinoid türü *Dendrocrinus simcoensis*'e ait olağanüstü derecede nadir bir fosil keşfetti. Quebec, Montreal'deki yerel bir müzede bulunan bu örnek, bilinen önceki örneğin yaşını geride bırakarak türünün şimdiye kadar bulunan ikinci örneği olma özelliğini taşıyor. Oklahoma Üniversitesi'nden kıdemli araştırmacı Lena Cole, bu tür bir koruma halinin "milyonda bir" görülecek bir olay olduğunu ve bunun muhtemelen canlının ince çamur içinde hızla gömülmesiyle gerçekleştiğini, bu durumun oksijen akışını keserek minerallerin dokuları kaplamasına olanak sağladığını belirtti. Royal Society Open Science'da yayımlanan bu keşif, Paleozoik deniz ekosistemlerine dair kritik bilgiler sunuyor. Araştırmacılar, korunan tüp ayakları inceleyerek nesli tükenmiş davranışları modern akrabalarıyla karşılaştırabiliyor ve bu sayede evrimsel kalıpların ve ekolojik etkileşimlerin Dünya tarihi boyunca nasıl değiştiğine dair eşsiz bir bakış açısı elde ediyor.

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