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
Lemuria (continent) of which some have become amalgamated with ... Africa, some ... with what is now Asia; and that in Madagascar and the Mascarene Islands we have existing relics of this great continent, for which ... I should propose the name Lemuria! Sclater's theory was hardly unusual for his time; "land bridges", real and imagined, fascinated several of Sclater's contemporaries. Étienne Geoffroy Saint-Hilaire, also looking at the relationship between animals in India and Madagascar, had suggested a southern continent about two decades before Sclater, but did not give it a name. The acceptance of Darwinism led scientists to seek to trace