Bring a touch of ancient ocean history into your home with these Pentremites blastoid fossils. Each fossil is a small yet fascinating remnant of a sea creature that lived over 300 million years ago. With their geometric, bud-like form and natural stone texture, these fossils make for a conversation-starting display piece—perfect in a shadow box, bookshelf, or natural history nook. Scientific Name: Pentremites sp. Dimensions: Range: 0.5" to 1" each Attributes: Authentic Paleozoic era fossils from ancient marine environments Distinct five-fold symmetry with a “pinecone” appearance Naturally gray to light tan tones Solid, stone-like texture with preserved surface detail Great for fossil collections, gifts, or educational displays Each piece varies slightly in shape and color Sold individually or in bundles These shells are meant to be display shells. While they are in good conditions these are not professionally graded. The shell may show evidence of life in the ocean—please refer to photos for reference.