Ungulates Extended

Duration: 2 hours

PROBOSCIDEA
This order includes only three living species which are all elephants, but there are more than 160 extinct species including mammoths and mastodons. Characteristics of the Order are; upper incisor teeth are elongated to form tusks. Some extinct species (early on the evolutionary scale) appear to have lacked a trunk; but most if not all later species had developed a trunk. & ridged molars and milk premolars.



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Self Assessment Test