Loxonema

Loxonema is an extinct genus of sea snails, belonging to the class Gastropoda. These marine mollusks lived during the Paleozoic Era, with fossils found primarily from the Silurian through the Permian periods. Loxonema shells are typically characterized by a high spire and a dextrally coiled, conical shape. The shell surface often exhibits fine spiral ornamentation, though this can vary. The aperture, or opening of the shell, is usually elongated and narrow.

Fossils of Loxonema are found in marine sedimentary rocks worldwide, indicating a widespread distribution during its existence. They are commonly found in shallow marine environments, suggesting a lifestyle similar to modern gastropods inhabiting these areas. Their diet is presumed to have consisted of algae or other microorganisms, though direct evidence is scarce. Loxonema represents a significant component of Paleozoic marine faunas and contributes to our understanding of early gastropod evolution and diversity. The precise classification and phylogenetic relationships of Loxonema are still subjects of ongoing paleontological research.