Animal Taxonomy

From Wikipedia again (with related links):

Subregnum Parazoa
--Phylum Porifera (sponges) (5000 species, including 150 fresh water species)
--- Class Calcarea (bony)
--- Class Hexactenellida (glass)
--- Class Demospongiae (spongin) (90% of sponges)
Subregnum Eumetazoa
---Phylum Placozoa (2 species, 1 seen only once in 1896 (doubtful), soft-bodied, about 0.5 mm across, and somewhat resemble a large amoeba)
---Phylum Orthonectida (2 families, 5 genus, 20 species, tiny parasits of marine invertibates)
---Phylum Rhombozoa (cephalopod parasites under 1 cm in salt water)
-----Family Conocyemidae
-----Family Dicyemidae.
-Radiata (unranked)
---Phylum Ctenophora (comb jellies) (100 species)
-----Class Tentaculata (tenticles, make up by far the largest number of species)
------Order Cydippida, which includes the sea gooseberry (Pleurobrachia pileus)
------Order Platyctenida
------Order Ganeshida
------Order Thalassocalycida
------Order Lobata
------Order Cestida, which includes the Venus' belt (Cestum veneris)
-----Class Nuda (no tenticles)
------Order Beroida (includes the melon jelly (Beroe gracilis))
---Phylum Cnidaria (sea anemones, corals, and jellyfish) 11,000 species
-----Class Anthozoa (anemones, corals, etc.)
------Subclass Alcyonaria (= Octocorallia) (eight tentacles)
-------Order Alcyonacea (soft corals)
-------Order Gorgonacea (sea fans, sea feathers)
-------Order Helioporacea (Indo Pacific blue coral)
-------Order Pennatulacea (sea pens and sea pansies)
-------Order Stolonifera (organ pipe coral)
------Subclass Zoantharia (= Hexacorallia) (more than 8 tentacles - typically 12)
-------Order Antipatharia (black corals, thorny corals)
-------Order Scleractinia (=Madreporaria) (stony corals)
-------Order Corallimorpharia
-------Order Ptychodactiaria
------Subclass Hexacorallia (Sea anemones)
-------Order Actiniaria (4 suborders, 46 families)
--------Suborder Endocoelantheae
--------Suborder Nyantheae
--------Suborder Protantheae
--------Suborder Ptychodacteae
-----Class Scyphozoa (jellyfish)
------Order Stauromedusae (stalked jellyfish)
----------Family Cleistocarpidae
----------Family Eleutherocarpidae
----------Family Kyopodidae
----------Family Tesseranthidae
------Order Coronatae (crown jellyfish)
----------Family Atollidae
----------Family Atorellidae
----------Family Collaspididae
----------Family Linuchidae
----------Family Nausithoidae
----------Family Paraphyllinidae
----------Family Periphyllidae
----------Family Tetraplatidae
------Order Semaeostomeae (flag mouth jellyfish)
----------Family Cyaneidae
----------Family Depastridae
----------Family Halicyathidae
----------Family Pelagiidae
----------Family Ulmaridae
------Order Rhizostomae (no tenticles jellyfish)
--------Suborder Daktyliophorae
----------Family Catostylidae
----------Family Lobonematidae
----------Family Lychnorhizidae
----------Family Rhizostomatidae
----------Family Stomolophidae
--------Suborder Kolpophorae
----------Family Cassiopeidae
----------Family Cepheidae
----------Family Mastigiidae
----------Family Thysanostomatidae
----------Family Versurigidae
-----Class Cubozoa (box jellies including sea wasps)
----------Family Chirodropidae (4 genus, 7 species)
----------Family Carybdeidae (5 genus, 12 species)
-----Class Hydrozoa (Obelia, Aequorea, Portuguese Man o' War, etc.)
------Subclass Anthomedusae
------Subclass Laingiomedusae
------Subclass Leptomedusae
------Subclass Limnomedusae
------Subclass Siphonophorae
------Subclass Actinulidae
------Subclass Narcomedusae
------Subclass Trachymedusae

-Bilateria (unranked)
---Phylum Acoelomorpha
----Class Acoela (gutless flatworms)
----Class Nemertodermatida
---Phylum Myxozoa tiny, multistage fish and worm parasites)
----Class Malacosporea
----Class Myxosporea
---Phylum Chaetognatha (predatory marine worms in plankton, 3-120mm, 15 genus, 100 species)
----Class Archisagittoidea
----Class Sagittoidea
--Superphylum Deuterostomia
---Phylum Chordata (see separate post)
---Phylum Hemichordata (100 species)
----Class Enteropneusta (acorn worms)
----Class Pterobranchia
----Class Planctosphaeroidea (1 species, seen in one life cycle stage only)
---Phylum Echinodermata (7000 species)
----Class Asteroidea (asteroids, starfish, or sea stars): about 1,500 species that capture prey for their own food.
----Class Concentricycloidea (sea daisies), notable for their unique water vascular system; two species; recently merged into Asteroidea.
----Class Crinoidea (crinoids, feather stars or sea lilies): about 600 species that are suspension feeders.
----Class Echinoidea (echinoids, sea urchins and sand dollars): notable for their movable spines; about 1,000 species.
----Class Holothuroidea (sea cucumbers): elongated animals resembling slugs; about 1,000 species.
----Class Ophiuroidea (brittle stars and basket stars), the physically largest of echinoderms; about 1,500 species.
---Phylum Xenoturbellida (two marine worm-like species in one genus)
--Superphylum Ecdysozoa
---Phylum Kinorhyncha
---Phylum Loricifera (marine sediment-dwelling animals with about a twenty-one known species in six genera)
---Phylum Priapulida (penis worm, lives in mud in shallow sea water, 7 genera)
----Class Priapulimorpha
-----Order Priapulimorphida
------Family Priapulidae
-------Genus Acanthopriapulus
-------Genus Priapulopsis
-------Genus Priapulus
------Family Tubiluchidae
-------Genus Meiopriapulus
-------Genus Tubiluchus
----Class Halicryptomorpha
-----Order Halicryptomorphida
------Family Halicryptidae
-------Genus Halicryptus
----Class Seticoronaria
-----Order Seticoronarida
------Family Maccabeidae
-------Genus Maccabeus
---Phylum Nematoda
---Phylum Nematomorpha
---Phylum Onychophora
---Phylum Tardigrada
---Phylum Arthropoda
--Superphylum Platyzoa
---Phylum Platyhelminthes
---Phylum Gastrotricha
---Phylum Rotifera
---Phylum Acanthocephala
---Phylum Gnathostomulida
---Phylum Micrognathozoa
---Phylum Cycliophora
--Superphylum Lophotrochozoa
---Phylum Sipuncula
---Phylum Nemertea
---Phylum Phoronida
---Phylum Ectoprocta
---Phylum Bryozoa
---Phylum Entoprocta
---Phylum Brachiopoda
---Phylum Mollusca
---Phylum Annelida