Umbraculidae are a
taxonomic
Taxonomy is the practice and science of categorization or classification.
A taxonomy (or taxonomical classification) is a scheme of classification, especially a hierarchical classification, in which things are organized into groups or types. A ...
family
Family (from la, familia) is a group of people related either by consanguinity (by recognized birth) or affinity (by marriage or other relationship). The purpose of the family is to maintain the well-being of its members and of society. Idea ...
of unusual
sea snails or
limpet
Limpets are a group of aquatic snails that exhibit a conical gastropod shell, shell shape (patelliform) and a strong, muscular foot. Limpets are members of the class Gastropoda, but are polyphyletic, meaning the various groups called "limpets" ...
s,
marine
Marine is an adjective meaning of or pertaining to the sea or ocean.
Marine or marines may refer to:
Ocean
* Maritime (disambiguation)
* Marine art
* Marine biology
* Marine debris
* Marine habitats
* Marine life
* Marine pollution
Military
* ...
opisthobranch
Opisthobranchs () is now an informal name for a large and diverse group of specialized complex gastropods which used to be united in the subclass Opisthobranchia. That taxon is no longer considered to represent a monophyletic grouping.
Euopis ...
gastropod molluscs in the
clade Umbraculida
Umbraculoidea is a superfamily of unusual false limpets with a thin soft patelliform shell, marine gastropod molluscs in the clade Umbraculida, within the clade Euopisthobranchia.
There are two families in this superfamily, which is listed a ...
.
Distribution
This family has a global distribution in
tropical
The tropics are the regions of Earth surrounding the Equator. They are defined in latitude by the Tropic of Cancer in the Northern Hemisphere at N and the Tropic of Capricorn in
the Southern Hemisphere at S. The tropics are also referred to ...
and
subtropical seas.
Genera
Genera within the family Umbraculidae include:
* ''
Spiricella''
Rang, 1828
* ''
Umbraculum
The umbraculum ( it, ombrellone, "big umbrella", in basilicas also conopaeum) is a historic piece of the papal regalia and insignia, once used on a daily basis to provide shade for the pope (Galbreath, 27). Also known as the pavilion, in moder ...
''
Schumacher, 1817
;Genera brought into synonymy:
* ''Gastroplax''
Blainville, 1819: synonym of ''Umbraculum''
Schumacher, 1817
* ''Umbrella''
Lamarck, 1819: synonym of ''Umbraculum''
Schumacher, 1817
References
*
*
Powell A. W. B., ''New Zealand Mollusca'',
William Collins Publishers Ltd, Auckland, New Zealand 1979
Taxonomicon info
{{Taxonbar, from=Q12008371