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Hercules beetle. The Hercules beetle (Dynastes hercules) is a species of rhinoceros beetle native to the rainforests of southern Mexico, Central America, South America, and the Lesser Antilles. It is the longest extant species of beetle in the world, and is also one of the largest flying insects in the world.
Chiasognathus grantii is very variable in size and in the development of the jaws and exhibits a strong sexual dimorphism. Males can reach a length of 60–90 millimetres (2.4–3.5 in) including the mandibles, while females are much smaller, having a body length of 25–37 millimetres (0.98–1.46 in). The upper mandibles of the males are very ...
The alligator snapping turtle (Macrochelys temminckii) is a large species of turtle in the family Chelydridae. The species is endemic to freshwater habitats in the United States. M. temminckii is one of the heaviest living freshwater turtles in the world. [ 4 ] It is the largest freshwater species of turtle in North America. [ 5 ]
The basal parts of the chelicerae are the two iridescent green mouthparts. The chelicerae (/ kəˈlɪsəriː /) are the mouthparts of the subphylum Chelicerata, an arthropod group that includes arachnids, horseshoe crabs, and sea spiders. Commonly referred to as "jaws", chelicerae may be shaped as either articulated fangs, or as a type of pincers.
Trap-jaw ants of this genus have the second-fastest moving predatory appendages within the animal kingdom, [2] after the dracula ant (Mystrium camillae). [8] One study of Odontomachus bauri recorded peak speeds between 126 and 230 km/h (78 and 143 mph), with the jaws closing within just 130 microseconds on average.
The jaws were toothless and down-turned, and the lower jaw was very massive and deep compared to the slender and low upper jaw. The relative size of the lower jaw was closer to that of tyrannosaurids than to other ornithomimosaurs. The snout was spatulate (flared outwards to the sides) and 25 cm (9.8 in) wide, which is wider than the skull roof ...
Gnathostomata is traditionally a infraphylum, broken into three top-level groupings: Chondrichthyes, or the cartilaginous fish; Placodermi, an extinct grade of armored fish; and Teleostomi, which includes the familiar classes of bony fish, birds, mammals, reptiles, and amphibians. Some classification systems have used the term Amphirhina.
Saltwater crocodiles have the strongest bite of any living animal. A 4.59 m-long (15 ft 1 in) 531 kg (1,171 lb) saltwater crocodile has been confirmed as having the highest bite force quotient ever recorded for an animal in a laboratory setting, with a value of 16,414 N (3,690 lbf) surpassing the previous record of 13,172 N or 2,961 lbf made by ...