![Egg case / mermaid's purse of a Thornback ray / Thornback skate (Raja clavata) on beach, Belgium Stock Photo - Alamy Egg case / mermaid's purse of a Thornback ray / Thornback skate (Raja clavata) on beach, Belgium Stock Photo - Alamy](https://c8.alamy.com/comp/CEJHJK/egg-case-mermaids-purse-of-a-thornback-ray-thornback-skate-raja-clavata-CEJHJK.jpg)
Egg case / mermaid's purse of a Thornback ray / Thornback skate (Raja clavata) on beach, Belgium Stock Photo - Alamy
![Uživatel Lodewijk van Walraven na Twitteru: „Went egg case hunting during lunch again at #Texel, absolutely insane amount of shark and ray egg cases on the beach! Found 111 ray eggs and Uživatel Lodewijk van Walraven na Twitteru: „Went egg case hunting during lunch again at #Texel, absolutely insane amount of shark and ray egg cases on the beach! Found 111 ray eggs and](https://pbs.twimg.com/media/EO-z1TSXUAAfmf3.jpg)
Uživatel Lodewijk van Walraven na Twitteru: „Went egg case hunting during lunch again at #Texel, absolutely insane amount of shark and ray egg cases on the beach! Found 111 ray eggs and
Ulster Wildlife - Here's a handy guide for identifying shark and skate egg cases #BigRockPoolRamble 🦈🦈🦈 We need YOU to send us your egg case finds to help us understand the different
![Sarah M Buckley on Twitter: "Sighted an egg case along Ballyteige Beach, Wexford. Prepared and Identified what I think is the egg case of a Spotted Ray (Raja montagui) with the excellent @ Sarah M Buckley on Twitter: "Sighted an egg case along Ballyteige Beach, Wexford. Prepared and Identified what I think is the egg case of a Spotted Ray (Raja montagui) with the excellent @](https://pbs.twimg.com/media/DyBTBi7WkAAtdUf.jpg)