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Title: Fossil Trilobite Burrows
Caption: Fossil trilobite burrows (Rusophycus bilobatus) made in Oneida County, New York, USA, during the Silurian Period, about 423 m.y.a. Rusophycus is the name of the trace fossil, and not of the species that left it. Specimen at Museum of the Earth, Ithaca, New York.
Category: nature • Geology & Fossils
Credit: Album / Science Source / Science Stock Photography
Image size: 5760 × 3840 px | 63.3 MB
Print size: 48.8 × 32.5 cm | 2267.7 × 1511.8 in (300 dpi)