Stefn (līfcræft)

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

Þis geƿrit hæfþ ƿordcƿide on Nīƿenglisce.

Getalu dēorstefna

Stefn	Mǣnung	Gemǣne nama	Distinguishing characteristics	Cynn āscrifen
Acanthocephala	Þornighēafod	Þorny-headed ƿyrmas	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	betƿēonan 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 ƿyrmas	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	Hƿēolberend	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+