Species, GC (%), AT (%), G (bases), C (bases), A (bases), T (bases), Maximum lifespan (yrs) Dasyurus hallucatus, 34.5, 65.5, 433, 194, 593, 598, 5.9, Myrmecobius fasciatus, 38.2, 61.8, 480, 214, 511, 613, 11.0, Phascogale tapoatafa, 38.2, 61.8, 493, 198, 531, 585, 5.9, Sarcophilus harrisii, 36.5, 63.5, 469, 191, 548, 601, 13.0, Sminthopsis crassicaudata, 38.0, 62.0, 474, 216, 558, 567, 5.0,