Pleioptygma helenae
Pleioptygma helenae is a species of sea snail, a marine gastropod mollusk in the family Pleioptygmatidae.[3]
| Pleioptygma helenae Temporal range: | |
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| shell of Pleioptygma helenae | |
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| Species: | P. helenae |
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| Pleioptygma helenae (Radwin & Bibbey, 1972)[2] | |
It is the only known living species in this genus and the only extant species in the family Pleioptygmatidae.[1]
Distribution
The type locality is Gorda Bank, Honduras.[1]
Fossil record from Neogene include southeastern USA.[1]
apertural view of the shell of Pleioptygma helenae
Description
The maximum recorded shell length is 123 mm.[5]
The anatomy of the family Pleioptygmatidae is defined according to this the only extant species.
References
- Quinn J. F. Jr. (1989). "Pleioptygmatidae, a new family of mitriform gastropods (Prosobranchia: Neogastropoda)". The Nautilus 103(1): 13-19.
- Radwin G. E. & Bibbey L. J. (1972). "A new mitrid from the western Atlantic". Transactions of the San Diego Society of Natural History 17(7): 95-99.
- Pleioptygma helenae (Radwin & Bibbey, 1972). Retrieved through: World Register of Marine Species on 04/24/10.
- Petuch E. J. (1980). "A new Falsilyria (Volutidae) and a new Conus (Conidae) from Roatan Island, Honduras (Atlantic)". The Nautilus 64(3): 115-118.
- Welch J. J. (2010). "The "Island Rule" and Deep-Sea Gastropods: Re-Examining the Evidence". PLoS ONE 5(1): e8776. doi:10.1371/journal.pone.0008776.
Further reading
- Quinn J. F. Jr. & Lyons W. G. (1984). "A partial description of the anatomy of Pleioptygma helenae (Gastropoda: Neogastropoda)". American Malacological Bulletin 3(1): 97-98.
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