👉 Hexatrygon is a polygon with 7 sides, named after the Greek letter "heta," which stands for seven. It's known as a hexagon because it has seven sides and nine vertices (corners).
👉 Hexatrygonidae is a group of animals that includes birds, reptiles, and mammals that have five segments in their wingspan, including a pair of wings on each side of the body. This makes them unique among other bird families due to the presence of this wing structure.