What is "diatrymas"

Usage examples of "diatrymas".

Varieties of creatures with vast striking beaks resembling the diatrymas of Earth's Eocene roamed it, and there were some introduced Earth birds, too: The "banana belt" of the northern coastal regions had a climate not unlike the south of New Zealand and there were a few ranches for reconstituted and slightly modified moas, strongly fenced in and over to protect them from the savage and powerful locals.