Eurypterid cast replica #1 Human said collector Jim Conway

said collector Jim Conway

Mosasaurs were among the first fossils recognized and scientifically described

or group of similar footprints

1982 (one source gives the date as "mid 1960s") in Grays Harbor County

in groups of between five and 25 fry at a time

Eurypterid cast replica #1 Human said collector Jim ConwayEurypterid cast replica Eurypterids (sea scorpions) are an extinct group of arthropods related to arachnids, which include the largest known arthropods that ever lived. They are members of the extinct class Eurypterida (Chelicerata). The word Eurypterid comes from the Greek word eury meaning "broad" or "wide" and the Greek word pteron meaning "wing". The largest, such as Jaekelopterus, reached 2 meters (6 ft 7 in) or more in length, but most species