Nemertodermatida

Nemertodermatida

Scientific classification
Kingdom:	Animalia
Phylum:	Xenacoelomorpha
Subphylum:	Acoelomorpha
Class:	Nemertodermatida Karling, 1940
Subgroups
See text.

Nemertodermatida is a class of Acoelomorph worms,^[1]^[2] comprising about ten species of millimetre-sized 'tubellariform', mostly interstitial worms.^[3]

Taxonomy

Order Ascopariidae

Ascoparia
- Ascoparia neglecta Sterrer, 1998
- Ascoparia secunda Sterrer, 1998
Flagellophora
- Flagellophora apelti Faubel & Dorjes 1978

Order Nemertodermatidae

Meara
- Meara stichopi Westblad 1949

Order Nemertinoides

Nemertinoides
- Nemertinoides elongatus Riser 1987
Nemertoderma
- Nemertoderma bathycola Steinböck 1930
- Nemertoderma westbladi (Westblad) Steinbock, 1938
Sterreria
- Sterreria psammicola (Sterrer 1970)

Alternative views exist.^[4]

References

Wikispecies has information related to: Nemertodermatida

↑ Paps J, Baguñà J, Riutort M (April 2009). "Lophotrochozoa internal phylogeny: new insights from an up-to-date analysis of nuclear ribosomal genes". Proc. Biol. Sci. 276 (1660): 1245–54. doi:10.1098/rspb.2008.1574. PMC 2660960. PMID 19129141.
↑ Jimenez-Guri E, Paps J, Garcia-Fernandez J, Salo E (2006). "Hox and ParaHox genes in Nemertodermatida, a basal bilaterian clade". Int. J. Dev. Biol. 50 (8): 675–9. doi:10.1387/ijdb.062167ej. PMID 17051477.
↑ Nielsen, Claus (2012). Animal Evolution: Interrelationships of the Living Taxa. Oxford and New York: Oxford University Press. pp. 69–70. ISBN 978-0-19-960602-3.
↑ Philippe, H. et al. 2011: Acoelomorph flatworms are deuterostomes related to Xenoturbella. Nature, 470: 255–258. doi:10.1038/nature09676

Extant phyla of kingdom Animalia

Domain

Archaea

Bacteria

Eukaryota

(Supergroup

Plant

Hacrobia

Heterokont

Alveolata

Rhizaria

Excavata

Amoebozoa

Opisthokonta

Animal

Fungi)

P
l
a
n
u
l
o
z
o
a

Cnidaria (corals, anemones, hydrozoans, jellyfish, myxozoans)

B
i
l
a
t
e
r
i
a

Xenacoelomorpha	Xenoturbellida (Xenoturbella) Acoelomorpha (acoels, nemertodermatids)

N
e
p
h
r
o
z
o
a

Deuterostomia

Chordata (lancelets, tunicates, craniates)

Ambulacraria	Hemichordata (acorn worms, pterobranchs) Echinodermata (starfish, sea urchins and relatives)

P
r
o
t
o
s
t
o
m
i
a

basal / incertae sedis	Chaetognatha (arrow worms)

Ecdysozoa
(molting animals)

Scalidophora	Kinorhyncha (mud dragons) Priapulida (penis worms) Loricifera

Nematoida	Nematomorpha (horsehair worms) Nematoda (roundworms)

Panarthropoda	Tardigrada (waterbears) Onychophora (velvet worms) Arthropoda (arthropods)

Spiralia

Gnathifera

Platytrochozoa

Rouphozoa

Lophotrochozoa

Orthonectida² Dicyemida (Rhombozoa)² Mollusca (molluscs) Nemertea (ribbon worms) Annelida (ringed worms)

Lophophorata	Brachiopoda (lamp shells) Phoronida (horseshoe worms) Bryozoa (Ectoprocta) (moss animals)

Clade	Cycliophora (Symbion) Entoprocta (Kamptozoa)

Dubious	Monoblastozoa (Salinella)

Obsolete	Pentastomida (tongue worms) (in Arthropoda) Sipuncula (peanut worms) (in Annelida) Echiura (spoon worms) (in Annelida) Pogonophora (giant tube worms) (in Annelida) Vestimentifera (in Annelida) Myxozoa (in Cnidaria) Molluscoida (polyphyletic) Aschelminthes (polyphyletic) Gephyrea (polyphyletic) Coelenterata (polyphyletic) Annulata (polyphyletic)

¹Rotifera (paraphyletic phylum) and Acanthocephala (monophyletic phylum) comprise clade Syndermata

²Mesozoans

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