Continent continent. From this perspective, the edge of the continental shelf is the true edge of the continent, as shorelines vary with changes in sea level. In this sense the islands of Great Britain and Ireland are part of Europe, while Australia and the island of New Guinea together form a continent. As a cultural construct, the concept of a continent may go beyond the continental shelf to include oceanic islands and continental fragments. In this way, Iceland is considered part of Europe and Madagascar part of Africa. Extrapolating the concept to its extreme, some geographers group the Australian continental plate
Smallest organisms smallest crocodilian is the Cuvier's dwarf caiman ("Paleosuchus palpebrosus") from northern and central South America. It reaches up to in length. One of the smallest snakes known is the recently discovered Barbados threadsnake ("Leptotyphlops carlae"). Adults average about long, which is only about twice as long as the hatchlings. The Common blind snake("Indotyphlops braminus") measures long, uncommonly to long. The smallest known dinosaur (excluding modern birds) is "Anchiornis", a genus of feathered dinosaur that lived in what is now China during the Late Jurassic Period 160 to 155 million years ago. Adult specimens range from long, and the weight has