Swainsonia casta, common name the chaste mitre, is a species of sea snail, a marine gastropod mollusk in the family Mitridae, the miters or miter snails.
Leucocoryne (Glory-of-the-sun) is a genus of bulbous perennials in the family Amaryllidaceae.
 The foliage of all species is long and narrow and has an onion-like scent.
 The blue, white or lilac flowers are held in umbels.
Swainsonia is a genus of sea snails, marine gastropod mollusks in the family Mitridae.
Swainsonia ocellata , common name the eyed mitre, is a species of sea snail, a marine gastropod mollusk in the family Mitridae, the miters or miter snails.
Swainsonia albina is a species of sea snail, a marine gastropod mollusk in the family Mitridae, the miters or miter snails.
Swainsonia cloveri is a species of sea snail, a marine gastropod mollusk in the family Mitridae, the miters or miter snails.
Swainsonia fissurata, common name : the reticulate mitre, is a species of sea snail, a marine gastropod mollusk in the family Mitridae, the miters or miter snails.
Swainsonia newcombii , common name Newcomb's mitre, is a species of sea snail, a marine gastropod mollusk in the family Mitridae, the miters or miter snails.
Swainsonia zephyra is a species of sea snail, a marine gastropod mollusk in the family Mitridae, the miters or miter snails.
Swainsonia fusca, common name : the dusky mitre, is a species of sea snail, a marine gastropod mollusk in the family Mitridae, the miters or miter snails.

Question: Swainsonia and Leucocoryne are both what classifaction?
Answer: a genus