哺乳型类Mammaliaformes[哺乳纲]系统进化树- 迅足龙。遗迹？遗风...Steropodontidae Archer, Flannery, Ritchie&Molnar, 1985] (platypuses; vesinokkaeläimet)鸭嘴兽科| |-- Monotrematum sudamericanum Pascual, Archer, Ortiz Jaureguizar, Prado, Godthelp&Hand, 1992 in Augee et al., 1992单孔兽...
哺乳型类Mammaliaformes[哺乳纲]系统进化树- 迅足龙。遗迹？遗风...Steropodontidae Archer, Flannery, Ritchie&Molnar, 1985] (platypuses; vesinokkaeläimet)鸭嘴兽科| |-- Monotrematum sudamericanum Pascual, Archer, Ortiz Jaureguizar, Prado, Godthelp&Hand, 1992 in Augee et al., 1992单孔兽...
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