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Unlike those of manatees, the dugong's teeth do not continually grow back via horizontal tooth replacement. [38] The dugong has two tusks which emerge in males during puberty, and sometime later in life for females after reaching the base of the premaxilla. [33] The number of growth layer groups in a tusk indicates the age of a dugong. [39]
Dugong dugon is the only extant species of the family Dugongidae, and one of only four extant species of the Sirenia order, the others forming the manatee family. [13] It was first classified by Müller in 1776 as Trichechus dugon, [14] a member of the manatee genus previously defined by Linnaeus. [15]
It is an early member of the family Dugongidae, which includes the extant dugong. Fossils have been found from Egypt , India , and Madagascar . Eotheroides was first described by Richard Owen in 1875 under the name Eotherium , which was replaced by the current name in 1899.
Metaxytherium is an extinct genus of dugong that lived from the Oligocene until the end of the Pliocene. Fossil remains have been found in Africa , Europe , North America and South America . Generally marine seagrass specialists, they inhabited the warm and shallow waters of the Paratethys , Mediterranean , Caribbean Sea and Pacific coastline.
They were the largest member of the order Sirenia, whose only extant members are the dugong (Dugong dugon) and the manatees (Trichechus spp.). [2] They reached up to 9 metres (30 ft) in length, making the Steller's sea cow among the largest mammals other than whales to have existed in the Holocene epoch . [ 3 ]
() March 1, 1951 (age 73) Rancher Nebraska Legislature: University of Nebraska–Lincoln : January 3, 2013 2030. Class 1 Lincoln: Pete Ricketts: Republican August 19, 1964 (age 60) Businessman Governor of Nebraska: University of Chicago (BA, MBA) January 12, 2023 [t] 2026 Class 2 Omaha: Nevada: Catherine Cortez Masto: Democratic
The following is a list of characters that appear in the Young Justice TV series and its comic book tie-ins. Note for reading : The designations for the characters are used when the zeta beams beam them from one place to another, and are normally spoken in episode by an automated voice (recorded by Stephanie Lemelin ).
In the following decades, Cummings and original guitarist Randy Bachman led several one-time reunion shows or short commemorative tours with various former members. [ 4 ] [ 5 ] Starting in the late 1970s, original bassist Jim Kale organized a separate band under the name of The Guess Who for nostalgia tours with a frequently changing cast of ...