Pseudomudellina

Pseudomudellina is a genus of extinct marine invertebrates belonging to the phylum Mollusca. These fossils are characterized by their distinctive, often spiraled, shell structures. The name itself, "Pseudomudellina," suggests a resemblance to the genus Mudellina, but with a distinguishing prefix indicating a similar but not identical form.

Fossil specimens of Pseudomudellina are typically found in sedimentary rocks, indicating their ancient marine habitat. Their morphology can vary, but commonly exhibits a coiled or partially coiled shell with distinct whorls. The ornamentation on these shells can also differ, providing clues to the species and their ecological roles within their ancient environments.

The exact taxonomic placement and evolutionary relationships of Pseudomudellina are subjects of ongoing research. Paleontologists study these fossils to understand ancient marine ecosystems, evolutionary trends within mollusks, and the paleobiogeography of past oceans. The presence and distribution of Pseudomudellina fossils can help date rock strata and reconstruct the geological history of certain regions. Research into Pseudomudellina contributes to our broader understanding of invertebrate evolution and the fossil record.