来自MSN8 个月
Prehistoric fish with giant jaws filled with razor-sharp teeth are the ultimate living fossils
Gars are the ultimate living fossils, having changed at an incredibly ... by 100 million years of evolution can still interbreed. Alligator gars (Atractosteus spatula) and longnose gars ...
Live Science on MSN2 个月
Alligator gar: The 'living fossil' that has barely evolved for 100 million years
Alligator gars are also among the ultimate "living fossils" — species that have barely changed for millions of years. A 2024 ...