Knefastia altenai is a species of sea snail, a marine gastropod mollusk in the family Pseudomelatomidae, the turrids and allies.
Knefastia dalli, common name Dall's turrid, is a species of sea snail, a marine gastropod mollusk in the family Pseudomelatomidae, the turrids and allies.
Knefastia howelli is a species of sea snail, a marine gastropod mollusk in the family Pseudomelatomidae, the turrids and allies.
Knefastia princeps is a species of sea snail, a marine gastropod mollusk in the family Pseudomelatomidae, the turrids and allies. This magnificent species, one of the finest in a generally striking genus, appears nearest to K. dalli Bartsch among described forms, differing in its larger size, more slender form, the relatively longer and attenuate canal, the slender and well-spaced spiral cords, the very much fewer and less nodulous axial ribs, the more open sinus, and the warmer and brighter coloring, especially of the interior. The single example taken was dredged up alive.
Knefastia tuberculifera is a species of sea snail, a marine gastropod mollusk in the family Pseudomelatomidae, the turrids and allies.
Knefastia walkeri is a species of sea snail, a marine gastropod mollusk in the family Pseudomelatomidae, the turrids and allies.
Crassispira callosa is a species of sea snail, a marine gastropod mollusk in the family Pseudomelatomidae.
Hindsiclava appelii, common name the chocolate turrid, is a species of sea snail, a marine gastropod mollusk in the family Pseudomelatomidae, the turrids and allies.
Ptychobela suturalis is a species of sea snail, a marine gastropod mollusk in the family Pseudomelatomidae, the turrids and allies.
Epideira quoyi is a species of sea snail, a marine gastropod mollusk in the family Horaiclavidae.
Unedogemmula unedo is a species of sea snail, a marine gastropod mollusk in the family Turridae, the turrids.
Drillia pyramidata is a species of sea snail, a marine gastropod mollusk in the family Drilliidae.
Fusiturricula is a genus of sea snails, marine gastropod mollusks in the family Drilliidae.
Knefastia is a genus of sea snails, marine gastropod mollusks in the family Pseudomelatomidae.
Cythara triticea is a species of sea snail, a marine gastropod mollusk in the family Mangeliidae.
Eucithara funiculata, common name the corded turrid, is a small sea snail, a marine gastropod mollusk in the family Mangeliidae.
Crassispira bottae is a species of sea snail, a marine gastropod mollusk in the family Pseudomelatomidae.
Knefastia kugleri is an extinct species of sea snail, a marine gastropod mollusc in the family Pseudomelatomidae, the turrids and allies.
Knefastia limonensis is an extinct species of sea snail, a marine gastropod mollusk in the family Pseudomelatomidae, the turrids and allies.
Knefastia lindae is an extinct species of sea snail, a marine gastropod mollusk in the family Pseudomelatomidae, the turrids and allies.
