For this work, Steven Byrum, a graduate student in my lab, was able to document the entire set of developmental stages using a total of 177 bonnethead shark embryos. We were able to assemble a ...

They also argued that today’s modestly-sized bonnethead and winghead sharks independently evolved from big ancestors. 4.

Meanwhile, there have been published cases of parthenogenesis involving more than half a dozen shark species, Feldheim said, from the bonnethead to the common smooth-hound. With some, like the ...

No sharks were sacrificed just for our study. The embryos would have otherwise been wasted when the mothers died. For this work, Steven Byrum, a graduate student in my lab, was able to document the ...

Meanwhile, there have been published cases of parthenogenesis involving more than half a dozen shark species, Feldheim said, from the bonnethead to the common smooth-hound. With some, like the ...