A sea scorpion fossils of Eurypterus tetragonophthalmus from Volyn-Podillya, Khmelnytskyi Oblast, Ukraine. These Silurian aged eurypterids are synonymous with the species Baltoeurypterus tetragonophthalmus. #FossilFriday

#eurypterid #fossil #paleontology #eurypterus #baltoeurypterus