''Caldukia'' is a
genus
Genus (; : genera ) is a taxonomic rank above species and below family (taxonomy), family as used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In bino ...
of
sea slug
Sea slug is a common name for some Marine biology, marine invertebrates with varying levels of resemblance to terrestrial Slug, slugs. Most creatures known as sea slugs are gastropods, i.e. they are Sea snail, sea snails (marine gastropod moll ...
s, or more accurately
nudibranch
Nudibranchs () are a group of soft-bodied marine gastropod molluscs, belonging to the order Nudibranchia, that shed their shells after their larval stage. They are noted for their often extraordinary colours and striking forms, and they have b ...
s,
marine gastropod
Gastropods (), commonly known as slugs and snails, belong to a large Taxonomy (biology), taxonomic class of invertebrates within the phylum Mollusca called Gastropoda ().
This class comprises snails and slugs from saltwater, freshwater, and fro ...
mollusc
Mollusca is a phylum of protostome, protostomic invertebrate animals, whose members are known as molluscs or mollusks (). Around 76,000 extant taxon, extant species of molluscs are recognized, making it the second-largest animal phylum ...
s, in the
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 ...
Proctonotidae
Proctonotidae is a family of sea slugs, nudibranchs, marine gastropod molluscs, in the clade Euthyneura
Euthyneura is a taxonomic infraclass of snails and slugs, which includes species exclusively from marine, aquatic and terrestrial g ...
. One species, ''
Caldukia affinis'', is known to occur in
Victoria, Australia
Victoria, commonly abbreviated as Vic, is a state in southeastern Australia. It is the second-smallest state (after Tasmania), with a land area of ; the second-most-populated state (after New South Wales), with a population of over 7 million; ...
, while the other two species are endemic to
New Zealand
New Zealand () is an island country in the southwestern Pacific Ocean. It consists of two main landmasses—the North Island () and the South Island ()—and List of islands of New Zealand, over 600 smaller islands. It is the List of isla ...
.
Species
Species in the genus ''Caldukia'' include:
* ''
Caldukia affinis''
(Burn, 1958)[Burn, R. (1958) Further Victorian Opisthobranchia. Journal of the Malacological Society of Australia 1(2): 20-36.]
* ''
Caldukia albolineata''
Miller, 1970[Miller, M.C. 1970. Two new species of the genus ''Caldukia'' Burn & Miller, 1969 (Mollusca: Gastropoda: Opisthobranchia) from New Zealand waters. ''The Veliger'', 12(3): 275-289.]
* ''
Caldukia rubiginosa''
Miller, 1970
References
* Miller, M.C. & Willan, R.C. (1986) A review of the New Zealand arminacean nudibranchs (Opisthobranchia: Arminacea). ''New Zealand Journal of Zoology'', 13: 377-408.
{{Taxonbar, from=Q3203925
Proctonotidae