Dorvilleidae
|
[6]
|
black, unmineralized, connected via ligament or two parts, ventral cutting plate present or absent
|
symmetrical
|
2–4
|
−/+
|
unpaired (single) carrier-like struсture
|
–
|
ctenognath
|
Eunicidae
|
[6, 14]
|
calcified partly fused shafts, ventral cutting plate present
|
asymmetrical
|
2
|
+
|
paired, broad and short
|
unpaired and delicate
|
eulabidognath
|
Hartmaniellidae
|
[6, 15]
|
black, not fused
|
subsymmetrical
|
2
|
–
|
paired, moderately long to short
|
–
|
symmetrognath
|
Histriobdellidae
|
this study
|
black, partly fused with long shafts, cutting plate present
|
symmetrical
|
2
|
–
|
unpaired, long (rod-like)
|
paired, short, sliding along mandibular shafts
|
ctenognath
|
Lumbrineridae
|
[6, 16]
|
lightly calcified, completely or partly fused, cutting plate present
|
symmetrical
|
2
|
−/+
|
paired, moderately long to short
|
–
|
symmetrognath
|
Oenonidae
|
[17]
|
black, unmineralized, connected via ligament, ventral cutting plate present
|
symmetrical plate number, plate size can vary between both sides
|
2
|
−/+
|
paired, long
|
unpaired, long, well sclerotized
|
prionognath
|
Onuphidae
|
[6]
|
calcified partly fused shafts, ventral cutting plate present
|
asymmetrical
|
2
|
+
|
paired, broad and short
|
unpaired and delicate
|
eulabidognath
|