Decades: 300s BC 290s BC 280s BC 270s BC 260s BC - 250s BC - 240s BC 230s BC 220s BC 210s BC 200s BC
Years: 259 BC 258 BC 257 BC 256 BC 255 BC 254 BC 253 BC 252 BC 251 BC 250 BC
... seals, Crabeater Seals, squid, icefish, penguins, albatrosses and many other birds. Their biomass is estimated to be between 100 and 800 million tonnes, making E. superba ...
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