Lagalla is the remnant of a lunar

Moon

The Moon is Earth's only known natural satellite,There are a number of near-Earth asteroids including 3753 Cruithne that are co-orbital with Earth: their orbits bring them close to Earth for periods of time but then alter in the long term . These are quasi-satellites and not true moons. For more...

 crater

Impact crater

In the broadest sense, the term impact crater can be applied to any depression, natural or manmade, resulting from the high velocity impact of a projectile with a larger body...

. Wilhelm

Wilhelm (crater)

Wilhelm is a lunar crater in the southern part of the Moon, to the west of the prominent Tycho. Portions of the ray material from Tycho lie across the rim and floor of Wilhelm. Attached to its southern rim is the crater Montanari, while Lagalla is attached to the southwest. To the north-northeast...

 partly overlies the northeastern rim, and Montanari

Montanari (crater)

Montanari is a lunar crater. It is located to the west-southwest of the prominent ray crater Tycho, and is attached to the southern rim of the walled plain Wilhelm...

is attached to the southeast. The remainder of the rim is heavily eroded, with small craters overlaying sections along most of the sides. The rim is nearly nonexistent to the south, and the most intact portion is along the northwest. Lagalla F, an irregular satellite crater, is attached to the western rim. The interior floor is uneven but relatively featureless.

Satellite craters

By convention these features are identified on lunar maps by placing the letter on the side of the crater mid-point that is closest to Lagalla.

Lagalla	Latitude	Longitude	Diameter
F	44.6° S	25.3° W	29 km
H	44.4° S	27.0° W	5 km
J	46.0° S	25.1° W	22 km
K	43.7° S	24.3° W	10 km
M	46.6° S	25.7° W	6 km
N	44.9° S	26.1° W	12 km
P	45.2° S	24.4° W	11 km
T	47.3° S	26.5° W	7 km
V	47.0° S	24.3° W	5 km