Penion cuvierianus is a species of very large predatory sea snail or whelk, commonly called the flaring penion, a marine gastropod mollusc in the family Austrosiphonidae.
Haustrum haustorium, common name: the brown or dark rock shell, is a large species of predatory sea snail, a marine gastropod mollusc in the family Muricidae, the murex snails or rock snails.
Penion sulcatus is a species of medium-to-large predatory marine snail or whelk, commonly called the northern siphon whelk or kākara nui in Māori, belonging to the whelk family Austrosiphonidae.
Penion is a genus of large marine snails, commonly known as siphon whelks, classified within the mollusc family Austrosiphonidae.
Antarctoneptunea benthicola is a species of small-to-medium-sized predatory sea snail or whelk, a marine gastropod mollusc in the family Austrosiphonidae.
Penion chathamensis is a species of very large predatory sea snail or whelk, a marine gastropod mollusc in the family Austrosiphonidae.
Cominella is a genus of carnivorous sea snails, a marine gastropod mollusc in the family Cominellidae.
Buccinulum is a genus of sea snails, marine gastropod molluscs in the whelk family Tudiclidae.
Aeneator is a genus of sea snails, marine gastropod molluscs in the whelk family Tudiclidae.
Buccinulum vittatum is a species of sea snail, a marine gastropod mollusc in the family Tudiclidae.
Cominella maculosa, common name the spotted whelk, is a species of predatory sea snail, a marine gastropod mollusc in the family Cominellidae, the true whelks.
Cominella virgata is a species of predatory sea snail, a marine gastropod mollusc in the family Cominellidae.
Antarctoneptunea is a genus of sea snails, marine gastropod mollusks in the whelk family Austrosiphonidae.
Kelletia is a genus of large sea snails, whelks, a marine gastropod molluscs in the whelk family Austrosiphonidae.
Penion maximus is a species of very large predatory sea snail or whelk, commonly known as giant whelk or great whelk, a marine gastropod mollusc in the family Austrosiphonidae.
Penion mandarinus, common name the mandarin penion, southern siphon whelk or Waite's buccinum whelk, is a species of medium-to-large predatory sea snail or whelk, a marine gastropod mollusc in the family Austrosiphonidae.
Penion proavitus is an extinct species of marine snail or whelk, belonging to the true whelk family Austrosiphonidae.
Penion marwicki is an extinct species of marine snail or whelk, belonging to the true whelk family Austrosiphonidae.
Penion crawfordi is an extinct species of marine snail or whelk, belonging to the true whelk family Austrosiphonidae.
Penion lineatus is a species of medium-sized marine snail or whelk, belonging to the true whelk family Austrosiphonidae. It was described in 2018.
Shell of Penion ormesi (museum specimen at Naturalis Biodiversity Center)
Shell formerly recognised as Penion cuvierianus jeakingsi
