My parasitologist friend (who is on Bluesky @the-episiarch.bsky.social) told me about a parasitic flatworm that left its fossilized hooks on Lodeacanthus gaujicus and Asterolepis ornata from the Devonian of Latvia, and was described by Ieva Upeniece in 2001.

#parasitology #parasites #flatworm #fossil #palaeontology #invertebratepalaeontology #invertebrates #sciart #scientificillustration #devonian #palaeozoic #marinelife #prehistoric #placoderm