Latia neritoides

Latia neritoides

Taxobox
name = "Latia neritoides"
status =


regnum = Animalia
phylum = Mollusca
classis = Gastropod
subclassis = Orthogastropoda
superordo = Heterobranchia
ordo = Pulmonata
subordo = Basommatophora
familia = Latiidae
genus = "Latia"
species = "L. neritoides"
binomial = "Latia neritoides"
binomial_authority = Gray, 1850
synonyms = "Pelex lateralis" Gould, 1852
"Latia petitiana" Fischer, 1856
"Pelex lateralis" Fischer, 1856
"Latia gassiesiana" Fischer, 1856

"Latia neritoides" is a species of small freshwater snail or limpet, an aquatic gastropod mollusc in the family Latiidae.

There is no fossil record of this species genus or family, so there is currently not enough information available to be able to understand its exact evolutionary origins.

Distribution

This species is endemic to the North Island of New Zealand.

Habitat

This freshwater limpet is found on the underside of stones in clean-running streams and rivers.

hell description

The shell is broadly ovate, of low profile, and with the apex marginal, at the left posterior side.

The shell coloration is pale to dark brown, or black, with a white internal septum somewhat similar to that of a slipper shell.

The shell length is up to 11 mm, width 8 mm, and height 4.5 mm.

Life habits

These animals have a pallial lung, as do all pulmonate snails, but they also have a false gill or "pseudobranch". This serves as a gill as, in their non-tidal habitat, these limpets never reach the surface for air.

When disturbed, the animal releases a bright green, light-emitting cloud. This is a unique bioluminescence system, but although being studied since 1880, the exact mechanism is still unclear.

These limpets feed upon the surface film covering the rocks on which they live, consisting of algae, bacteria and fungus. Little else is known about their biology.

References

* Powell A. W. B., "New Zealand Mollusca", William Collins Publishers Ltd, Auckland, New Zealand 1979 ISBN 0-00-216906-1
* [http://www.mollusca.co.nz/checklist.php?page=27#Latiidae New Zealand Mollusca]
* [http://sciencelinks.jp/j-east/article/200515/000020051505A0604590.php ScienceLinks]
* [http://www.orenza.u-psud.fr/query_by_ec.php?EC_number=EC%201.14.99.21 Orenza]
* [http://www.nzfreshwater.org/molluscs.html New Zealand Freshwater]


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