Stefn (līfcræft)

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Gān tō: þurhfōr, sēcan

Se stefn (n.eng. phylum) is gaderung gebrocen in þǣre endebyrdunge līfes, þe of þǣm Grēciscan phylum genumen wæs.

Þis gewrit hæfþ wordcwide on Nīwenglisce.

Getalu dēorstefna[adihtan]

Stefn Mǣnung Gemǣne nama Distinguishing characteristics Cynn āscrifen
Acanthocephala Þornighēafod Thorny-headed wyrmas Eversible spiny proboscis ymbe 850
Acoelomorpha Without gut No mouth or alimentary canal
Annelida Little ring Segmented worms Multiple circular segments ymbe 15,000
Arthropoda Jointed foot Arthropods Chitin exoskeleton 1,134,000+
Brachiopoda Arm foot Lamp shells Lophophore and pedicle betwēonan 300 and 500 extant
Bryozoa Moss animals Moss animals, sea mats Lophophore, no pedicle, ciliated tentacles ymbe 5,000 libbendra cynna
Chaetognatha Longhair jaw Arrow worms Chitinous spines either side of head, fins about 100 modern species
Chordata Cord Chordates Hollow dorsal nervous chord 63,000+
Cnidaria Stinging nettle Coelenterates Nematocysts (stinging cells) ymbe 10,000
Ctenophora Comb bearer Comb jellies Eight "comb rows" of fused cilia ymbe 100 gengra cynna
Cycliophora Wheel carrying Symbion Circular mouth surrounded by small cilia at least 3
Echinodermata Spiny skin Five-fold radial symmetry, mesodermal calcified spines ymbe 7,000 libbendra cynna and 13,000 dēadra
Echiura Spine tail Spoon worms Set of hooks at posterior end ymbe 140
Entoprocta Innlic ears Goblet worm Anus inside ring of cilia ymbe 150
Gastrotricha Hair stomach Meiofauna Two terminal adhesive tubes ymbe 450
Gnathostomulida Jaw orifice Jaw worms
Hemichordata Half cord Acorn worms Stomochord in collar ymbe 100 living species
Kinorhyncha Motion snout Mud dragons Eleven segments, each with a dorsal plate ymbe 150
Loricifera Corset bearer Brush heads Umbrella-like scales at each end ymbe 21
Micrognathozoa Tiny jaw animals Accordion like extensible thorax 1
Mollusca Thin shell Mollusks / molluscs Muscular foot and mantle round shell ymbe 70,000
Myxozoa Slime animals Polar capsules resembling nematocysts at least 12,000
Nematoda Þrǣdlic Round worms Round cross section, keratin cuticle ofer 20,000
Nematomorpha Thread form Horsehair worms about 320
Nemertea A sea nymph Ribbon worms ymbe 1200
Onychophora Claw bearer Velvet worms Legs tipped by chitinous claws ymbe 110 modern
Orthonectida Straight swim ymbe 20
Phoronida Zeus' mistress Horsscōh wyrmas U-shaped gut 20
Placozoa Tubular animals 1
Platyhelminthes Flat worms Flat worms ymbe 25,000
Porifera Pore bearer Spyncgan Perforated interior wall ofer 5,000 modern
Priapulida Penis Priapulid worms Retractable proboscis surrounded by papillae 17
Rhombozoa Lozenge animal Single axial cell surrounded by ciliated cells 75
Rotifera Hwēolberend Rotifers Anterior crown of cilia ymbe 2000
Sipuncula Small tube Peanut worms Mouth surrounded by invertible tentacles 144-320
Tardigrada Slow step Water bears Four segmented body and head ymbe 750
Xenoturbellida Strange flatworm Ciliated deuterostome 2
TOTAL 1,375,000+