FOSSILS SPECIMEN: EURYPTERIDS
Fossils are defined as any evidenceĀ of prehistoric life. There are two types of fossils: Body Fossils include remains of skeletal bones, shell, carapace, test and teeth. Trace Fossils are clues the organism existed such as foot prints, tracks, burrows and coprolites (fossil dung).
Arthropoda meaning “jointed foot” are classified as within the Domain: Eukarya, Kingdom: Animalia and Phylum: Arthropoda. This group includes ants, bees, butterflies, dragonflies, millipedes scorpions, spiders, crabs and lobsters. To see my arthropod models click here and for modern crustaean shells click here.
Kingdom: Animalia – Phylum: Arthropoda – Subphylum: Chelicerata – Order: Eurypterids
(sea scorpions)
Ordovician to Permian

Eurypterid Cephalon (Head)
Eurypterus remipes
Upper Silurian (420 MYA)
Fiddler Green Formation, Phelps Member
Lang’s Quarry, Herkimer County, New York, United States, North America