Definition: Polygordiidae is a family of extinct tetrapod vertebrates that lived during the Late Cretaceous period, around 68-59 million years ago. This group includes some of the largest and most complex dinosaur species known to science, including Tyrannosaurus Rex, Triceratops, and Allosaurus.

Polygordiidae

Definition: Gordidae is a family of crustaceans, commonly known as crabs. It includes the largest group of marine crustaceans, the gastropods, which are characterized by their eight segments (anterior, middle, posterior, and peregrine). These animals have a long, flat body with an elongated head and strong, tubercular tentacles that help them move through water. Other members of this family include the clams, snails, oysters,

gordiidae

Definition: Gordiidae is a family of birds in the family Pycnogonidae, which belongs to the order Pycnogenylinae. They are characterized by their distinctive white and black beaks with intricate patterns on the sides of the bill, as well as the elongated tongue that they use for feeding.

Gordiidae