Animal Phyla/Nemertea
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Micrura alaskensis, a ribbon worm.
Nemertea
Name Meaning: A sea nymph
English Common Name: Ribbon worms
Major distinguishing characteristics:
Approximate number of species described: about 1200
Contents
1
Natural History
2
Taxonomy
3
Anatomy
4
The Fossil Record
5
Quiz
6
References and Further Reading
Natural History
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Taxonomy
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Anatomy
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The Fossil Record
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Quiz
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Nemertea Quiz
References and Further Reading
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Nemertea
at Wikipedia
Nemertea
at Tree of Life
Nemertea
at Encyclopedia of Life
v
t
e
Extant
phyla
of the
animal kingdom
by
subkingdom
Parazoa
Sponges
(
Calcarea
,
Demospongiae
,
Hexactinellida
)
·
Placozoa
(
Trichoplax
)
Mesozoa
Orthonectida
·
Rhombozoa
Eumetazoa
Radiata
Ctenophora
·
Cnidaria
(
Anthozoa
,
Hydrozoa
,
Scyphozoa
,
Cubozoa
,
Staurozoa
,
Myxozoa
)
Bilateria
Protostomia
Ecdysozoa
Cycloneuralia
:
Scalidophora
(
Kinorhyncha
,
Loricifera
,
Priapulida
)
·
Nematoida
(
Nematoda
,
Nematomorpha
)
Panarthropoda
:
Onychophora
·
Tardigrada
·
Arthropoda
Spiralia
Platyzoa
Platyhelminthes
·
Gastrotricha
Gnathifera
:
Rotifera
·
Acanthocephala
·
Gnathostomulida
·
Micrognathozoa
·
Cycliophora
Lophotrochozoa
Trochozoa
(
Sipuncula
,
Nemertea
,
Mollusca
,
Annelida
)
Lophophorata
(
Bryozoa
,
Entoprocta
,
Phoronida
,
Brachiopoda
)
Deuterostomia
Ambulacraria
Hemichordata
·
Echinodermata
·
Xenoturbellida
Chordata
Craniata
(
Vertebrata
,
Myxini
)
·
Cephalochordata
·
Tunicata
Basal/disputed
Acoelomorpha
(
Acoela
,
Nemertodermatida
)
·
Chaetognatha
Categories
:
Animals
Biology
Taxonomy
Zoology
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