Sharks are a group of fish characterized by a cartilaginous skeleton, five to seven gill slits on the sides of the head, and pectoral fins that are not fused to the head. Modern sharks are classified within the clade
Selachimorpha (or Selachii) and are the sister group to the rays. However, the term "shark" has also been used for extinct members of the subclass Elasmobranchii outside the Selachimorpha, such as Cladoselache and Xenacanthus, as well as other Chondrichthyes such as the holocephalid eugenedontidans. Under this broader definition, the earliest known sharks date back to more than 420 million years ago. Acanthodians are often referred to as "spiny sharks"; though they are n
The cuscus is a large marsupial native to the Northern forest of Australia and the large, tropical island of Papua New Guinea. The cuscus is a subspecies of possum with the cuscus being the largest of the world's possum species.
The cuscus is known to range in size from just 15cm to more than 60cm in length, although the average sized cuscus tends to be around 45cm (18inches). The cuscus has small ears and large eyes which aid the cuscus through it's nocturnal lifestyle.
The cuscus is an arboreal mammal, and spends it's life almost exclusively in the trees. The cuscus rests in the trees during the day, sleeping in the dense foliage and awakens at night to start moving through the
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The glass lizard (also known as the glass snake and the jointed snake) are a group of reptiles that resemble snakes, but are actually lizards. Although most species of glass lizard have no legs, their head shape and the fact that they have movable eyelids and external ear openings identify them as lizards.
Glass lizards are found all around the world although, the greatest number of species in the genus are native to Asia, from India to China and the Indonesian islands. At least one species, the Moroccan glass lizard, comes from North Africa, and several species live in the south-eastern United States including the barrier islands off the Atlantic coast of Florida. The glass lizard is
