I'm not a scientist, but always had a passion for the natural world. Looking forward to sharing this hobby with like-minded individuals.Sign in to follow
Thanks. I guess only placental mammals have true belly buttons ( the scar left by detachment of the umbilical cord), that's why I wrote " belly button". I'm sure that feature seen here where the yolk sack was attached has a technical name which I don't know. I think that the turtle's "belly button" is not a permanent feature and disappears as they grow.