Hi, to me appear to be a mix of pollen, spores and fungal remains.Images from B532 are a range of psilate spores, many folded so hard to see the features for identification. B553_3 definitely a fungal remain. Not sure about 553_5, looks like some form of paraplated dinocyst, but not sure if possible in amber, some other spore perhaps? Good question,

Dear James, dinocysts cannot be completely excluded, because the amber forest was near the marine Leipzig Bay. Thank you very much for your answer.

Dear Michael,

Concerning your photo #B533_5: I wouldn't rule out a dinoflagellate cyst Thalassiphora pelagica.

Best regards,

Alina

Dear Alina, thank you for your helpful answer.

Best regards,

Michael