Editor's Note: This article first appeared at The Conversation. We humans use the euphemism for sex that “we like to get a leg over” but the first jawed vertebrates – the placoderms – they liked to ...
ADELAIDE, Australia, Oct. 19 (UPI) --Scientists out of Australia believe they have discovered the first animal to have ever had sex. The Microbrachius dicki, of the placoderm species, were armored ...
A recent analysis of placoderm fossils — an early jawed vertebrate — shows that the animal kingdom’s first genital organ was a “clasper” that evolved from an extra set of legs, and that the first ...
The antiarch fish, a type of placoderm, was the first species to reproduce by internal fertilization—and it did so sideways, "square-dance style." The fishes' interlocking arms help the male ...
In the limestone ranges of Western Australia’s Kimberley region, near the town of Fitzroy Crossing, you’ll find one of the world’s best-preserved ancient reef complexes. Here lie the remnants of ...
Editor's Note: This article first appeared at The Conversation. We humans use the euphemism for sex that “we like to get a leg over” but the first jawed vertebrates – the placoderms – they liked to ...
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