Mellitidae is a
family
Family (from ) is a Social group, group of people related either by consanguinity (by recognized birth) or Affinity (law), affinity (by marriage or other relationship). It forms the basis for social order. Ideally, families offer predictabili ...
of
sand dollar
Sand dollars (also known as sea cookies or snapper biscuits in New Zealand and Brazil, or pansy shells in South Africa) are species of flat, burrowing sea urchins belonging to the order Clypeasteroida. Some species within the order, not quite a ...
s, in the echinoderm
order
Order, ORDER or Orders may refer to:
* A socio-political or established or existing order, e.g. World order, Ancien Regime, Pax Britannica
* Categorization, the process in which ideas and objects are recognized, differentiated, and understood
...
Clypeasteroida
Sand dollars (also known as sea cookies or snapper biscuits in New Zealand and Brazil, or pansy shells in South Africa) are species of flat, burrowing sea urchins belonging to the Order (biology), order Clypeasteroida. Some species within the or ...
. These irregular sea urchins bury themselves in soft sediment in shallow seas.
Genera
The
World Register of Marine Species
The World Register of Marine Species (WoRMS) is a taxonomic database that aims to provide an authoritative and comprehensive catalogue and list of names of marine organisms.
Content
The content of the registry is edited and maintained by scien ...
includes the following genera in the family:-
[
*'' Encope'' L. Agassiz, 1840
*'' Lanthonia'' Coppard, 2016
*'' Leodia'' Gray, 1851
*'' Mellita'' L. Agassiz, 1841
*'' Mellitella'' Duncan, 1889
Image:Encope perspectiva.jpg, '' Encope perspectiva'' (]MNHN
The French National Museum of Natural History ( ; abbr. MNHN) is the national natural history museum of France and a of higher education part of Sorbonne University. The main museum, with four galleries, is located in Paris, France, within the ...
)
Image:Sand Dollar.jpg, '' Lanthonia longifissa''.
Image:Keyhole sand dollar 01.jpg, '' Mellita quinquiesperforata''.
Image:Mellita sexiesperforata (six-keyhole sand dollar) (San Salvador Island, Bahamas).jpg , '' Leodia sexiesperforata''
Image:Mellitella stokesii.jpg, '' Mellitella stokesii'' (MNHN
The French National Museum of Natural History ( ; abbr. MNHN) is the national natural history museum of France and a of higher education part of Sorbonne University. The main museum, with four galleries, is located in Paris, France, within the ...
)
References
Clypeasteroida
Echinoderm families
{{Echinoidea-stub