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| Sirenia species, Sirenia, Tetrapoda, Chordata (133 mm), colno 42239 Gladstone, West Australia, Australia Subatlanticum, Holocene, Quaternary |
Sirenia species, Sirenia, Tetrapoda, Chordata (265 mm), colno 42231 Steendorp, East Flanders, Belgium Rupelian, Oligocene, Tertiary |
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| Sirenia species, Sirenia, Tetrapoda, Chordata (190 mm), colno 42232 Steendorp, East Flanders, Belgium Rupelian, Oligocene, Tertiary |
Sirenia species, Sirenia, Tetrapoda, Chordata (175 mm), colno 55530 Miste, Gelderland, Netherlands Layer of Miste, Formation of Aalten, Miocene, Tertiary |
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