eurypterid


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  • noun

Words related to eurypterid

large extinct scorpion-like arthropod considered related to horseshoe crabs

References in periodicals archive ?
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.
New discoveries of both vertebrates and arthropods from the "Atholville Beds", beginning in the 1990s, resulted in a redescription of the eurypterid fauna (Miller 2007a, b) and assignment of all known specimens to Pterygotus anglicus Agassiz 1844, the large pterygotid first described from Scotland.
Eurypterid phylogeny with remarks on the origin of arachnids.
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.
This year, he returns to examine outcrops of ancient tropical seabed deposits on the Grand Rapids Uplands, where extraordinary remains of rare eurypterids ("sea scorpions"), horseshoe crabs, and other odd joint-legged animals have been uncovered.
This year, he will return to examine outcrops of ancient tropical seabed deposits along the shore of Hudson Bay, near Churchill, where extraordinary remains of rare eurypterids ("sea scorpions"), horseshoe crabs, and other odd joint-legged animals have been uncovered.