You might be able to save them, check this out. It worked for me on a cuke seedling https://www.gardeningknowhow.com/garden-how-to/propagation/seeds/seed-coat-stuck.htmSeveral of my tomato seedlings have an issue. I didn't get a picture, so I'll try to describe how they look.
They look like a tiny, seed-size lollypop on a stem. The seed leaves didn't break open the seed hull. I've seen it before, and have never seen one like this actually make it. Well, I counted about a dozen of those. I think I'm going to be replanting a bunch of seeds tomorrow.![]()