{{Short description|Species of gastropod}} {{Cleanup taxon|date=Jan 2019|concern=nomen dubium}} {{speciesbox | display_parents = 3 | grandparent_authority =Thiele, 1931<ref>Thiele J. (1931). ''Handbuch der systematischen Weichtierkunde'' '''1'''(2): 383.</ref> | parent_authority = Thiele, 1917<ref>Thiele J. (1917). ''Nachrbl. dtsch. malakozool. Ges.'' '''49''': 23.</ref> | taxon = Notodiaphana fragilis | authority = Vélain, 1877{{Citation needed|date=December 2010}} | synonyms = }}

'''''Notodiaphana fragilis''''' is a species of marine snail, gastropod mollusk in the clade Architectibranchia.<ref name="Malaquias 2009"/>

''Notodiaphana fragilis'' is the only species in the genus '''''Notodiaphana'''''.{{Citation needed|date=December 2010}} Genus ''Notodiaphana'' is the only genus in the family '''Notodiaphanidae'''.<ref name="Malaquias 2009">Malaquias M. A. E., Dodds J. M., Bouchet P. & Reid D. G. (2009). "A molecular phylogeny of the Cephalaspidea sensu lato (Gastropoda: Euthyneura): Architectibranchia redefined and Runcinacea reinstated". ''Zoologica Scripta'' '''38'''(1): 23-41. {{doi|10.1111/j.1463-6409.2008.00354.x}}.</ref>

It has been classified in the superfamily Diaphanoidea.<ref name="Bouchet 2005">{{Bouchet 2005}}</ref>

==Shell description== The little-known species have small, flimsy, almost globular shells, known as paper bubble shells.

The shell is minute, thin, fragile, colorless to translucent, and usually less than 5&nbsp;mm in size. The overall shape is ovate, pear-shaped, and bulbous. There is a sunken apex.{{Citation needed|date=December 2010}}

The shells resemble those of the genus ''Haminoea''.{{Citation needed|date=December 2010}}

== Distribution == The distribution of ''Notodiaphana fragilis'' includes the Indian Ocean.{{Citation needed|date=December 2010}}

==Ecology== This species occur in the sublittoral to abyssal zones.{{Citation needed|date=December 2010}}

== References == {{Reflist}}

== Further reading == * Bois-Reymond Marcus, E. D. (1976). "A taxonomic survey of the genus ''Toledonia'' Dall, 1902 (Opistobranchia, Diaphanidae)". ''Zoologica Scripta'' '''5''': 25-33

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{{DEFAULTSORT:Notodiaphana Fragilis}} Category:Cephalaspidea Category:Gastropods described in 1877