Longitudinal median section through the well preserved specimen PIMUZ 28583 of Sellanarcestes spp. (Sellanarcestes wenkenbachi Zone, Emsian, Oufrane, Morocco) displaying many “Housean pits” interpreted as blister pearls, many with internal tube.
The answer is both fossil types are #underdogs to study #evolution and i discovered parasitic remains in #ammonoid shell pathologies during my PhD research: doi.org/10.4202/app..... I saw the potential in both; one things led to another. Now i am a #malacologist and a #paleoparasitologist