Joachim Reitner

This study describes a new Cambrian sponge species that built its skeleton primarily from foreign detritus, expanding understanding of early sponge physiology and ecology.

This study describes new fossils of chancelloriids, revealing their unique body plan and suggesting they are a basal clade sister to eumetazoans.

The paper reclassifies Protomelission? sp. as archaeocyath-like sponges, challenging previous interpretations and providing insights into early animal reef-building.