Lot 695
Pair of Armored 375 Million Year Old Fish Shields. Zyxhaspis sienmoradzkii was one of the primitive armored jawless fish that swam in the 375 million year old Eurypterid invested oceans near the present day Ukraine. Fish needed protective armor to survive the ferocious attacks of the top predator of their day, the sea scorpions which could reach lengths of over 10 feet. Zyxhaspis belonged to the genus Cephalsaspid and was a slow, bottom-feeding fish with eyes on the top of its skull and armor protection only on its head with the rest of its body and fins being unprotected. This excellent 8 x 6 inch plate contains two complete head shields 4 x 3 and 3 x 2.75 inches with their eye holes and some of the tiny patterns of light armor outlined in white calcite on the brown matrix. There is also part of a third disarticulated fish skull which is the normal condition found with complete head shields being rare. Estimate Value $700 - UP
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