eurypterid


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eurypterid

any large extinct scorpion-like aquatic arthropod of the order Eurypterida, found in the SILURIAN PERIOD.
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Taenidium and Helminthoidichnites, was recovered from sandstone-siltstone beds that lie above the basal vertebrate-bearing breccia and below the mudstone beds that yielded the numerous eurypterid and fish remains (Fig.
There is still much to be learned from, and about, this diminutive Silurian predator that shared the seas with much larger eurypterids, and it is all thanks to Carl Fechko's discovery and generous donation of his unintended catch to the ROM.
Such is the lot of the giant pterygotid eurypterid, the largest arthropod that ever lived.
The supposed scorpion Acanthoscorpio mucronatus Kjellesvig-Waering, recognized as a juvenile eurypterid and its implications for scorpion systematics.
If you are determined to find a eurypterid, make an appointment with Lang's Fossils in Ilion for access to their famed quarry.
Eurypterid phylogeny with remarks on the origin of arachnids.
The Early Devonian Campbellton Formation in northern New Brunswick, Canada, yielded its first eurypterid fossils in 1881.
Overall, the low taxonomic diversity of the fauna combined with leperditid, lingulid and eurypterid specimens is suggestive of shallow marine, perhaps estuarine, conditions.
Ancestral horseshoe crabs (Class Merostomata, Order Xiphosurida, Suborder Synziphosurina), often found associated with eurypterids in Silurian and Devonian strata, are sporadically represented in the geologic column (Stormer, 1955).
Apparently eurypterids were so common and carnivorous that in order for fish to survive among them, they had to have a bony suit of scaled armor.