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Ancient Sharks Likely More Diverse Than Previously Thought(图)
Ancient Sharks More Diverse Previously Thought
2018/1/31
Sharks have a reputation as ravenous hunters and apex predators, but new analysis of fossil records shows that some of the earliest sharks might have been filter feeders, taking in water through their...
Shaking up the fish family tree:'Living fossil' not as old as we thought(图)
shaking up the fish family tree living fossil as old as we thought
2017/9/19
Polypterids are weird and puzzling African fish that have perplexed biologists since they were discovered during Napoleon's expedition to Egypt in the late 1700s.Often called living fossils, these eel...
South American fossil tomatillos show nightshades evolved earlier than thought
South American fossil tomatillos nightshades evolved earlier
2017/2/15
Delicate fossil remains of tomatillos found in Patagonia, Argentina, show that this branch of the economically important family that also includes potatoes, peppers, tobacco, petunias and tomatoes exi...