Littorinimorpha is a large order of snails, gastropods, consisting primarily of sea snails, but also including some freshwater snails and land snails.
The Vermetidae, the worm snails or worm shells, are a taxonomic family of small to medium-sized sea snails, marine gastropod molluscs in the clade Littorinimorpha. The shells of species in the family Vermetidae are extremely irregular, and do not resemble the average snail shell, hence the common name "worm shells" or "worm snails".
Thylacodes zelandicus is a species of sea snail, a worm snail or worm shell, a marine gastropod mollusc in the family Vermetidae, the worm snails. This species was previously known as Serpulorbis zelandicus.
Thylacodes aotearoicus is a species of sea snail, a worm snail or worm shell, a marine gastropod mollusc in the family Vermetidae, the worm snails. This species was previously known as Serpulorbis aotearoicus.
Californiconus californicus, commonly called the Californian cone, is a species of small, predatory sea snail in the family Conidae, the cone snails.
Eualetes tulipa is a species of sea snail, a marine gastropod mollusk in the family Vermetidae, the worm snails or worm shells.
Thylacodes arenarius is a species of sea snail, a marine gastropod mollusk in the family Vermetidae, the worm snails or worm shells.
Thylacodes colubrinus is a species of sea snail, a marine gastropod mollusk in the family Vermetidae, the worm snails or worm shells. This species was previously known as Serpulorbis colubrinus.
Thylacodes decussatus is a species of sea snail, a marine gastropod mollusk in the family Vermetidae, the worm snails or worm shells. This species was previously known as Serpulorbis decussatus.
Thylacodes inopertus is a species of sea snail, a marine gastropod mollusk in the family Vermetidae, the worm snails or worm shells. This species was previously known as Serpulorbis inopertus.
Thylacodes natalensis, common name the solitary worm shell, is a species of sea snail, a marine gastropod mollusk, in the family Vermetidae, the worm snails or worm shells. The species was previously known as Serpulorbis natalensis.
Thylacodes riisei is a species of sea snail, a marine gastropod mollusk in the family Vermetidae, the worm snails or worm shells. This species was previously known as Serpulorbis riisei.
Thylacodes squamolineatus is a species of sea snail, a marine gastropod mollusk in the family Vermetidae, the worm snails or worm shells.
Thylacodes masier is a species of sea snail, a marine gastropod mollusk in the family Vermetidae, the worm snails or worm shells.
Vermetus is a genus of sea snails, marine gastropod mollusks in the family Vermetidae, the worm snails or worm shells.
Thylacodes is a genus of sea snails, marine gastropod mollusks in the family Vermetidae, the worm snails or worm shells. The species in this genus were previously placed in the genus Serpulorbis.
The common name worm-snail applies to a family and several species of gastropod:
Thylacodes sipho, the common worm-shell, is a species of sea snail, a worm shell, a marine gastropod mollusc in the family Vermetidae, the worm snails.
Thylacodes variabilis is a species of worm snail common in the rocky intertidal in Hawaiʻi and the tropical Pacific.
Michael Gale Hadfield is an invertebrate biologist and professor emeritus at the University of Hawaiʻi at Mānoa. His research has focused on the larvae of marine invertebrates and native tree snails in Hawai'i. He retired in 2013, but has remained active in research and was recognized in 2023 as one of the top ecology and evolutionary scientists in the U.S. and the world.
