""'Costasiella " "'is a genus of sacoglossan sea slugs, a shell-less marine opisthobranch gastropod mollusks in the family Costasiellidae.
32.
""'Ercolania " "'is a genus of small sacoglossan sea slugs, shell-less marine opisthobranch gastropod mollusks in the family Limapontiidae.
33.
""'Aplysiopsis " "'is a genus of sacoglossan sea slugs, a shell-less marine opisthobranch gastropod mollusks in the family Hermaeidae.
34.
""'Hermaea " "'is a genus of sacoglossan sea slugs, a shell-less marine opisthobranch gastropod mollusks in the family Hermaeidae.
35.
MacFarland served as President of the California Academy of Sciences from 1934 to 1946; his research collection of opisthobranch mollusks formed the basis of the Academy's invertebrate collection.
36.
""'Chelidonura mariagordae " "'is a species of sea slug or headshield slug, a marine opisthobranch gastropod mollusc in the family Aglajidae.
37.
""'Tylodina fungina " "'is a species of sea snail or false limpet, a marine opisthobranch gastropod mollusk in the family Tylodinidae.
38.
""'Atys " "'is a genus of very small to medium-sized sea snails, marine opisthobranch gastropod mollusks in the family Haminoeidae.
39.
""'Scaphander otagoensis " "'is a species of sea snail, a marine opisthobranch gastropod mollusk in the family Scaphandridae, the canoe bubbles.
40.
""'Philine angasi " "'is a species of sea snail, a marine opisthobranch gastropod mollusk in the family Philinidae, the headshield slugs.