Stephania is a crater on Venus in the northern Sedna Planitia. With a diameter of 11 kilometers it is one of the smaller craters on Venus. Because many small meteoroids disintegrate during their passage through the dense atmosphere, there is an absence of craters smaller than 3 kilometers are scarce. The apron of ejected material suggests that the impacting body made contact with the surface from an oblique angle. (wikipedia entry)
A crater is a circular depression likely created by an impact event. On Venus they are named after deceased women who have made outstanding or fundamental contributions to their field (if over 20 km). If smaller common female first names are used.
Image Source. Marker locations are approximate and may not always appear to align with image on map.