Pleioptygma helenae

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Pleioptygma helenae
Temporal range: Neogene–Recent [1]
Pleioptygma helenae 001.jpg
shell of Pleioptygma helenae
Scientific classification
Kingdom:
Animalia
Phylum:
Mollusca
Class:
Gastropoda
(unranked):
clade Caenogastropoda
clade Hypsogastropoda
clade Neogastropoda
Superfamily:
Muricoidea
Family:
Pleioptygmatidae
Genus:
Pleioptygma
Species:
P. helenae
Binomial name
Pleioptygma helenae
(Radwin & Bibbey, 1972) [2]

Pleioptygma helenae is a species of sea snail, a marine gastropod mollusk in the family Pleioptygmatidae. [3]

Contents

It is the only known living species in this genus and the only extant species in the family Pleioptygmatidae. [1]

Distribution

Honduras. [4]

The type locality is Gorda Bank, Honduras. [1]

Fossil record from Neogene include southeastern USA. [1]

apertural view of the shell of Pleioptygma helenae WLA hmns Pleroptygma Helenae--black background.jpg
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.

Habitat

Minimum recorded depth is 37 m. [5] Maximum recorded depth is 150 m. [5]

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References

  1. 1 2 3 4 Quinn J. F. Jr. (1989). "Pleioptygmatidae, a new family of mitriform gastropods (Prosobranchia: Neogastropoda)". The Nautilus 103(1): 13-19.
  2. ↑ 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.
  3. ↑ Pleioptygma helenae (Radwin & Bibbey, 1972) . Retrieved through: World Register of Marine Species  on 04/24/10.
  4. ↑ Petuch E. J. (1980). "A new Falsilyria (Volutidae) and a new Conus (Conidae) from Roatan Island, Honduras (Atlantic)". The Nautilus 64(3): 115-118.
  5. 1 2 3 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

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