Children (13 direct children, 13 direct and indirect children):
Umbrella slug
Umbraculum ovale
Umbraculum mediterraneum
Umbraculum bermudense
Umbraculum botanicum
Umbraculum chinense
Umbraculum indicum
Umbraculum laudunense
Umbraculum ovalis
Umbraculum plicatulum
Umbraculum pulchrum
Umbraculum sanctipaulense
Umbraculum sinicum