Quote
The ovaries of the female hammerheads are suspended from mesenteries well forward in the body cavity in a position analogous to that of the testes in the male. In the hammerheads only one ovary is developed and functional (moss 1984). When the development is complete the eggs burst from the ovaries into the body cavity. These female sharks have sperm stored inside them from the last copulation. This enables the eggs to immediately be fertilized. In hammerheads, after the rupture of the fragile shell , the embryo establishes a placental connection with the endometrium of the maternal uterus. This shark placenta is functionally similar to that found in mammals. In the placenta maternal blood and that of the fetus are able to exchange oxygen, nutrients, and waste products across the thinnest possible membranous barrier. Observations of courtship and mating among sharks has been rare. Most of what is believed has been inferred, and not actually seen.
(bold added)
source

I was looking to see if there's an evostory for hammerheads when I came across this fact. (As expected, they have nothing beyond "see how cool this design is - that's why it must've evolved".)

Anyhow, that's pretty broken. Sharks aren't even "bony fish" (the kind that supposedly grew legs and lungs and "gave rise to amphibians").

If we can collect more examples of whacky broken "homology" it might make for an amusing thread. There's some protein or something we have which makes the dandelion "our closest relative" but I have forgotten (obviously) the details.

Dark Matter + Dark Energy = Dark Truth

"We find that such evidence demonstrates that the ID argument is dependent upon setting a scientifically unreasonable burden of proof for the theory of evolution." - Judge Jones Kitzmiller case
http://www.talkreason.org/articles/Falsify.cfm

"To Compel A Man To Furnish Funds For The Propagation Of Ideas He Disbelieves And Abhors Is Sinful And Tyrannical." - Thomas Jefferson

"And can the liberties of a nation be thought secure when we have removed their only firm basis, a conviction in the minds of the people that these liberties are the gift of God? That they are not to be violated but with his wrath?" - Thomas Jefferson