family: alciopidae
group: errantia
bodywidth: slender
bodylength: long
eyes: 2
antennae: 5
cirri: 3,5
palps: 0,2
segmentation: similar
segmentationtype: prominent
pharynx: eversible
prostomium: rectangular
parapodium: uniramous
setae: simple, compound

family: amphinomidae
group: errantia
bodyshape: oval
eyes: 4
antennae: 1,2,3,4,5
cirri: 2
palps: 2
segmentation: similar
segmentationtype: prominent
pharynx: eversible
prostomium: rounded
parapodium: biramous
setae: bifurcate, harpoon

family: aphroditidae
group: errantia
bodyshape: dvflat
eyes: 2,4
antennae: 1,3
cirri: 2
palps: 2
segmentation: similar
segmentationtype: prominent
pharynx: eversible
prostomium: rounded
parapodium: biramous
setae: simple

family: arabellidae
group: errantia
bodyshape: cylindrical
bodylength: long
eyes: 0
antennae: 0
cirri: 0
palps: 0
segmentation:similar 
segmentationtype: prominent
pharynx: noteversible
prostomium: conical
parapodium: uniramous
setae: limbate

family: capitellidae
group: errantia
bodyshape: cylindrical
bodylength: long
bodywidth: slender
eyes: 0
antennae: 0
cirri: 0
palps: 0
segmentation: similar
segmentationtype: prominent
pharynx: eversible
prostomium: conical
parapodium: biramous, absent
setae: capillary

family: chaetopteridae
group: sedentaria
bodyshape: elongated
bodylength: long
eyes: 0,2
antennae: 0
cirri: 2
palps: 2
segmentation: divided
pharynx: noteversible
prostomium: conical
parapodium: uniramous,biramous
setae: limbate, capillary

family: chrysopetalidae
group: errantia
bodyshape: dvflat
bodylength: short
bodywidth: slender
eyes: 4
antennae: 3
cirri: 2
palps: 2
segmentation: similar
segmentationtype: prominent
pharynx: eversible
prostomium: rectangular, fused
parapodium: biramous
setae: compound
analcirri: 2

family: cirratulidae
group: sedentaria
bodyshape: cylindrical
eyes: 0
antennae: 0
cirri: 0
palps: 2
segmentation: similar
pharynx: absent
prostomium: conical
parapodium: biramous, reduced
setae: simple

family: cossuridae
group: sedentaria
bodylength: short
bodywidth: slender
eyes: 0
antennae: 0
cirri: 0
palps: 1
segmentation: similar
segmentationtype: prominent
pharynx: eversible
prostomium: conical,rounded
parapodium: biramous
setae: simple
caudalcirri: 2

family: ctenodrilidae
group: sedentaria
bodylength: long
bodywidth: slender,grubby
eyes: 0
antennae: 0
cirri: 1,2
palps: 0
segmentation: similar
segmentationtype: prominent
pharynx: noteversible
prostomium: rounded
parapodium: uniramous,biramous
setae: simple

family: dinophilidae
group: sedentaria
antennae: 0
segmentation: divided
setae: absent

family: dorvilleidae
group: errantia
bodylength: long
eyes: 0,2,4
antennae: 4
cirri: 2,4
palps: 0,2
segmentation: similar
segmentationtype: prominent
pharynx: noteversible
prostomium: conical
parapodium: uniramous,absent
setae: simple, compound, bifurcate, limbate

family: eunicidae
group: errantia
bodyshape: cylindrical
bodylength: long
eyes: 0,2,4
antennae: 1,3,5
cirri: 0,2
palps: 2
segmentation: similar
segmentationtype: prominent
pharynx: eversible
prostomium: bilobed
parapodium: uniramous,subbiramous
setae: simple,compound,limbate,pectinate
analcirri: 2,4

family: euphrosinidae
group: errantia
bodyshape: oval
bodylength: short
eyes: 4
antennae: 3
cirri: 1,2
palps: 2
segmentation: similar
segmentationtype: prominent
pharynx: eversible
prostomium: conical
parapodium: biramous
setae: bifurcate

family: fauveliopsidae
group: sedentaria
bodylength: short
eyes: 0
antennae: 0
cirri: 5
palps: 0
segmentation: divided
pharynx: eversible
prostomium: conical
parapodium: biramous
setae: limbate

family: flabelligeridae
group: sedentaria
bodyshape: fusiform
eyes: 2
antennae: 0
cirri: 0
palps: 2
segmentation: divided
segmentationtype: notprominent
pharynx: noteversible
prostomium: slender
parapodium: biramous
setae: capillary

family: glyceridae
group: errantia
bodyshape: cylindrical
bodylength: long
bodywidth: slender
eyes: 0,2,4
antennae: 4
segmentation: similar
segmentationtype: prominent
pharynx: eversible
prostomium: conical
parapodium: biramous,uniramous
setae: simple, compound
analcirri: 2

family: goniadidae
group: errantia
bodyshape: cylindrical
bodylength: long
bodywidth: slender
eyes: 2,4
antennae: 4
cirri: 0
palps: 0
segmentation: divided
pharynx: eversible
prostomium: conical
parapodium: uniramous,biramous
setae: simple, compound
analcirri: 2

family: hesionidae
group: errantia
bodyshape: dvflat,cylindrical
bodylength: short
eyes: 4
antennae: 2,3
cirri: 4
palps: 0,2
segmentation: similar
segmentationtype: prominent
pharynx: eversible
prostomium: rounded
parapodium: biramous,uniramous
setae: simple, compound
analcirri: 2

family: heterospionidae
group: sedentaria
bodyshape: cylindrical
bodylength: long
bodywidth: slender
eyes: 0
antennae: 0
cirri: 0
palps: 0
segmentation: divided
pharynx: eversible
prostomium: conical
parapodium: reduced,absent
setae: capillary

family: lacydoniidae
group: errantia
bodyshape: vermiform
eyes: 2
antennae: 4
cirri: 2
palps: 0
segmentation: similar
segmentationtype: prominent
pharynx: eversible
prostomium: rounded
parapodium: uniramous,biramous
setae: simple 
analcirri: 2

family: lumbrineridae
group: errantia
bodyshape: cylindrical, dvflat
bodylength: long
eyes: 0
antennae: 0
cirri: 0
palps: 0
segmentation: similar
segmentationtype: prominent
pharynx: eversible
prostomium: conical,rounded
parapodium: subbiramous,uniramous
setae: limbate, compound, simple

family: lysaretidae
group: errantia
bodyshape: cylindrical
eyes: 4,2
antennae: 1,3
cirri: 2,0
palps: 0
segmentation: similar
segmentationtype: prominent
pharynx: eversible
prostomium: rounded
parapodium: subbiramous,uniramous
setae: simple, compound, limbate
analcirri: 4

family: maldanidae
group: sedentaria
bodyshape: cylindrical
bodylength: long
eyes: 0
antennae: 0
cirri: 0
palps: 0
segmentation: divided
pharynx: noteversible
prostomium: conical
parapodium: biramous
setae:  pinnate,limbate 

family: nephtyidae
group: errantia
bodyshape: dvflat
bodylength: long
bodywidth: slender
eyes: 2,0
antennae: 4,2
palps: 2
segmentation: similar
segmentationtype: prominent
pharynx: eversible
prostomium: pentagonal
parapodium: biramous
setae: simple

family: nereidae
group: errantia
bodyshape: cylindrical,elongated
bodylength: long
eyes: 4
antennae: 2,0
cirri: 4,8
palps: 2
segmentation: similar
segmentationtype: prominent
pharynx: eversible
prostomium: conical
parapodium: biramous
setae: compound, simple

family: opheliidae
group: sedentaria
bodyshape: fusiform
bodylength: long, short
bodywidth: slender, grubby
eyes: 2
antennae: 0
cirri: 0
palps: 0
segmentation: similar
pharynx: eversible
prostomium: conical,rounded
parapodium: biramous
setae: simple

family: onuphidae
group: errantia
bodyshape: cylindrical,dvflat
bodywidth: grubby
eyes: 0,2,4
antennae: 7
cirri: 2,4
palps: 2
segmentation: similar
segmentationtype: prominent
pharynx: eversible
prostomium: rounded
parapodium: subbiramous
setae: compound, pectinate, limbate
analcirri: 2,4

family: orbiniidae
group: errantia
bodyshape: vermiform
bodylength: long, 
eyes: 0,2
antennae: 0
cirri: 0
palps: 0
segmentation: similar
pharynx: eversible
prostomium: conical
parapodium: biramous
setae: capillary
anallcirri: 4

family: oweniidae
group: sedentaria
bodyshape: cylindrical,elongated
eyes: 0
antennae: 0
cirri: 0
palps: 0
segmentation: similar
segmentationtype: prominent
pharynx: absent
prostomium: fused
parapodium: biramous
setae: capillary

family: palmyridae
group: errantia
bodyshape: dvflat
bodylength: long,short
eyes: 2,4
antennae: 1,2,3
cirri: 2,4
palps: 2
segmentation: similar
segmentationtype: prominent
pharynx: noteversible
prostomium: fused
parapodium: biramous
setae: compound

family: paraonidae
group: sedentaria
bodylength: short
bodywidth: slender
eyes: 0,2
antennae: 0,1
cirri: 0
palps: 0
segmentation: similar
segmentationtype: prominent
pharynx: noteversible
prostomium: conical
parapodium: biramous
setae: simple, capillary
analirri: 2,3

family: parergodrilidae
group: sedentaria
bodylength: short
bodywidth: grubby
eyes: 0
antennae: 0
cirri: 6
segmentation: divided
pharynx: eversible
parapodium: absent
setae: simple

family: pectinariidae
group: sedentaria
bodyshape: trumpetshaped
bodylength: short
eyes: 2
antennae: 0
cirri: 4
palps: 2
segmentation: divided
pharynx: absent
prostomium: fused
parapodium: uniramous,biramous
setae: capillary

family: pholoididae
group: sedentaria
bodyshape: oval
bodylength: short
eyes: 4
antennae: 1
palps: 2
cirri: 2
segmentation: similar
segmentationtype: prominent
parapodium: biramous
setae: simple, compound
analcirri: 2

family: phyllodocidae
group: errantia
bodyhape: dvflat
bodylength: long
bodywidth: slender
eyes: 2
antennae: 5, 4
cirri: 4,6,8
segmentation: similar
segmentationtype: prominent
pharynx: eversible
prostomium: rounded, conical,
parapodium: uniramous
setae: simple, compound
analcirri: 2

family: pilargiidae
group: errantia
bodyshape: dvflat,cylindrical
bodylength: long
bodywidth: slender
eyes: 4
antennae: 2,3
cirri: 4
palps: 2
segmentation: similar
segmentationtype: prominent
pharynx: eversible
prostomium: conical,rounded
parapodium: biramous,uniramous
setae: simple
analcirri: 2

family: pisionidae
group: errantia
bodyshape: cylindrical
bodylength: short,long
bodywidth: slender
eyes: 4
antennae: 2,4
cirri: 4
palps: 1,2
segmentation: similar
segmentationtype: prominent
pharynx: eversible
prostomium: fused
parapodium: uniramous
setae: simple,compound,absent
analcirri: 2

family: poecilochaetidae
group: sedentaria
bodylength: long
bodywidth: slender
eyes: 2,4
antennae: 1
cirri: 2,4
palps: 2
segmentation: similar
segmentationtype: prominent
pharynx: noteversible
prostomium: rounded
parapodium: biramous
setae: simple, capillary, pectinate, pinnate
analcirri: 3,4

family: polynoidea
group: errantia
bodyshape: dvflat
eyes: 4
antennae: 1,2,3
cirri: 1
palps: 2
segmentation: divided
segmentationtype: prominent
pharynx: eversible
prostomium: bilobed
parapodium: subbiramous,biramous
setae: simple

family: polyodontidae
group: errantia
bodyshape: vermiform
eyes: 4, 2
antennae: 0,2,3
cirri: 2
palps: 2
segmentation: similar
segmentationtype: prominent
pharynx: eversible
prostomium: bilobed
parapodium: biramous
setae: simple

family: pontodoridae
group: errantia
bodylength: short
bodywidth: slender
eyes: 2
antennae: 4
cirri: 4
segmentation: similar
pharynx: eversible
prostomium: conical
parapodium: uniramous
setae: compound

family: questidae
group: sedentaria
bodyshape: dvflat
bodywidth: slender
eyes: 0
antennae: 0
cirri: 0
palps: 0
segmentation: similar
segmentationtype: notprominent
pharynx: noteversible
prostomium: conical,rounded
parapodium: biramous
setae: trifurcate, capillary
analcirri: 2,4

family: sabellariidae
group: sedentaria
bodylength: long
eyes: 0
antennae: 0
cirri: 0
palps: 2
segmentation: divided
pharynx: noteversible
prostomium: conical
parapodium: uniramous,biramous
setae: capillary, pectinate

family: sabellidae
group: sedentaria
bodyshape: cylindrical
eyes: 2
antennae: 0
cirri: 0
palps: 2
segmentation: divided
pharynx: absent
prostomium: rounded,bilobed
parapodium: absent
setae: limbate

family: saccocirridae
group: sedentaria
bodylength: long
eyes: 2
antennae: 0
cirri: 0
palps: 2
segmentation: similar
segmentationtype: prominent
pharynx: eversible
prostomium: rounded
parapodium: uniramous
setae: simple
analcirri: 2

family: scalibregmatidae
group: errantia
bodylength: short
bodywidth: grubby, slender
eyes: 0, 4
antennae: 0
palps: 0
segmentation: similar
segmentationtype: prominent
pharynx: eversible
prostomium: Tshaped,bilobed
parapodium: biramous
setae: capillary, bifurcate

family: serpulidae
group: sedentaria
bodyshape: cylindrical
bodylength: short
bodywidth: grubby
eyes: 0
antennae: 0
cirri: 0
palps: 0
segmentation: divided
pharynx: noteversible
prostomium: fused
parapodium: absent,reduced
setae: limbate, capillary

family: sigalionidae
group: errantia
bodyshape: oval, dvflat
bodylength: long
bodywidth: slender
eyes: 4
antennae: 1,3
cirri: 2
palps: 2
segmentation: similar
segmentationtype: prominent
pharynx: eversible
prostomium: fused
parapodium: biramous
setae: simple, compound

family: spionidae
group: sedentaria
bodyshape: dvflat
bodylength: long
bodywidth: slender
eyes: 0
antennae: 1
cirri: 0,2
palps: 2,4
segmentation: similar
pharynx: absent
prostomium: rounded,conical
parapodium: biramous
setae: simple
analcirri: 2,4

family: sternaspidae
group: sedentaria
bodyshape: dvflat
bodylength: short
bodywidth: grubby
eyes: 0
antennae: 0
cirri: 0
palps: 2
segmentation: divided
pharynx: eversible
prostomium: rounded
parapodium: absent
setae: simple

family: syllidae
group: errantia
bodyshape: dvflat
bodylength: long
bodywidth: slender
eyes: 4,6
antennae: 1,3,4
cirri: 2,4
palps: 2
segmentation: similar
segmentationtype: prominent
pharynx: eversible
prostomium: rounded,bilobed
parapodium: uniramous
setae: simple, compound
analcirri: 2

family: terebellidae
group: sedentaria
bodyshape: tapered
bodylength: short
bodywidth: grubby
eyes: 0
antennae: 0
cirri: 0
palps: 0
segmentation: divided
pharynx: absent
prostomium: fused
parapodium: biramous, uniramous
setae: capillary
analcirri: 0

family: trichobranchaetidae
group: sedentaria
bodyshape: elongated
eyes: 0,4
antennae: 0
cirri: 0
palps: 2
segmentation: divided
pharynx: noteversible
prostomium: rounded
parapodium: biramous
setae: capillary
analcirri: 0

family: trochochaetidae
group: sedentaria
bodyshape: cylindrical,dvflat
bodylength: long
antennae: 1
eyes: 2,4
cirri: 2
palps: 2
segmentation: divided
pharynx: eversible
prostomium: rounded
parapodium: biramous
setae: capillary