Smallest organisms 4.4 cm (1.7 in). The smallest member of the order Carnivora is the least weasel ("Mustela nivalis"), with an average body length of 114–260 mm (4.5-10.2 in). It weighs between 29.5 – 250 grams with females being lighter. The smallest marsupial is the Long-tailed planigale from Australia. It has a body length of (including tail) and weigh on average. The Pilbara ningaui is considered to be of similar size and weight. The smallest member of the primate order is Madame Berthe's mouse lemur ("Microcebus berthae"), found in Madagascar, with an average body length of 92 mm (3.6 in). The smallest
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