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"As well as having their beautiful and striking golden colour, these fossils are spectacularly preserved."
The specimen was preserved in pyrite, or fool's gold, making it easy to produce 3D models of the fossil using CT scans. Credits: Luke Parry/Yu Liu/Ruixin Ran (3D models). - courtesy Luke Parry/Yu ...
In a report published Tuesday in the journal Current Biology, Parry and a team of researchers announced the fossil is a previously unknown species of arthropod − a category that includes spiders ...
The mineral pyrite (/ ˈ p aɪ r aɪ t / PY-ryte), [6] or iron pyrite, also known as fool's gold, is an iron sulfide with the chemical formula Fe S 2 (iron (II) disulfide). Pyrite is the most abundant sulfide mineral .
With an estimated length of 33.9 cm (13.3 in) based on the assumption that the fossil was that of a spider, and with a leg-span estimated to be 50 centimetres (20 in), Megarachne servinei would have been the largest spider to have ever existed; exceeding the goliath birdeater (Theraphosa blondi), which has a maximum leg-span of around 30 cm (12 ...
Mongolarachne is an extinct genus of spiders placed in the monogeneric family Mongolarachnidae.The genus contains only one species, Mongolarachne jurassica, described in 2013, which is presently the largest fossilized spider on record. [1]
Spider relative 3D fossil preserved in fool's gold. Fossil 'treasure trove' found at landslip site 'Oldest EVER' dinosaur fossil found in Brazil . Related internet links.
The total body length of the fossil is around 10.5 mm, with the preserved part of the carapace of the cephalothorax about 5 mm long and the opisthosoma (abdomen) about 6 mm long. The eight walking legs are more-or-less uniform in appearance, with the fourth leg longest at about 8.5 mm and the first shortest at about 6.5 mm.