Murchisonellidae
Murchisonellidae is a family of small, marine gastropod molluscs, belonging to the superfamily Vanikoroidea. These snails are characterized by their dextrally coiled, trochiform or conical shells, which are typically thin and translucent. The aperture is usually entire, lacking a siphonal canal or anterior notch. The surface of the shell is often ornamented with axial ribs and/or spiral cords, although some species can be smooth.
The family Murchisonellidae contains several genera, including Murchisonella, Pseudoscales, and Striotectonica. They are found in marine