Trummipidurids
Trummipidurids are a small, enigmatic group of fossil invertebrates described from fragmentary remains in a limited number of studies. The name appears to refer to material associated with the Trummi formations and uses the suffix -pidurid to indicate a shield-bearing body, though the exact affinities of the group remain unclear. The taxonomic status of Trummipidurids is unsettled, and they are frequently treated as a tentative or poorly defined lineage rather than a robust clade.
Material attributed to Trummipidurids is largely restricted to isolated dorsal carapace fragments, with occasional partial bodies
Classification proposals for Trummipidurids are diverse. Some researchers have suggested affinities with early arthropod-like organisms based
Fossil occurrences for Trummipidurids are sporadic and geographically scattered, with uncertain temporal context in many cases.
Overall, Trummipidurids illustrate the challenges of classifying fragmentary fossils and highlight how limited material can hinder