Nematodes
omnivores
fungivores
root feeders
plant parasites
predators
bacteriophages
no stylet / spear
spear
pharyngial glands
overlapping
pharyngial glands
not overlapping
1 gonad
2 gonads
clear median bulb
Pratylenchidae
0,13 ± 0,16
0,29 ± 0,30
1 gonad
2 gonads
tail long
& acute
tail different
broad
annules +
thick body
Criconematidae
different
twice annulated
cuticle
Hemicycliophoridae
body C shaped +
procorpus widens
gently into median bulb +
long stylet
simple spear
curved spear
no muscle sheath
broadened pharyngial part
covered with muscles
filiform tail
Belondiridae
body very slender
3-12 mm
short spear with
long aperture +
two-layered
tail cuticle
Aporcelaimidae
blunt tail +
curved spear
Nordiidae
blunt tail +
almost terminal anus
knobbed spear
Tylencholaimellidae
short spear
clear
mouth
cavity
no clear mouth cavity
tubular
mouth
cavity
different
tail without
spinnret
Rhabditidae
1,33 ± 0,87
0,62 ± 0,32
Pelioditis
tail with
spinneret
teeth
no teeth
head setae
Prismatolaimidae
moveable
teeth
1
dorsal tooth
3 teeth
medial
pharyngeal bulb
Diplogastridae
Tripylidae
vesicles in
base of pharynx
opposite tooth
with small teeth
lip with outgrowths
no outgrowths
mouth cavity:
4 wide +
4 narrow rings
crown
tooth in closed
mouth cavity
Tripylidae
slender body
little structure
Alaimidae
spear inconspicuous &
covered by grains
Diphterophoridae
thin tail
Aphelenchidae
0,35 ± 0,33
0,64 ± 0,67
Tylenchidae
Plectidae
0,39 ± 0,31
0,43 ± 0,42
winged mouth
cirular amphid
Cheilorhabdions
comma-shaped
slit-like
amphid
Cheilorhabdions
c-shaped
Anatonchidae
teeth in bottom of
mouth cavity
teeth in center of
mouth cavity
Mylonchulidae
teeth in lines
teeth irregular
Mononchidae
opposite tooth
with edge
resped edge
plain edge
neither
no caudal
glands
Monhysteridae
0,02 ± 0,03
-
Cephalobidae
5,63 ± 2,8
3,95 ± 1,41
lobed lips
3 lips
6 lips
small body +
pharynx corpus
spool-shaped
finely forked
lip ornaments
conspicuously
forked / fringed
lip ornaments
Terato-
cephalidae
0,03 ± 0,04
-
annulated
cuticle
punctuated
cuticle
Trichodoridae
Diphterophoridae
Tylolaimophorus (D&E)
Tylenchidae
pharyngeal glands
overlap dorsally
no tip
ventrally
tiny tail tip
tiny tail tip
Aphelenchoide
0,27 ± 0,29
0,26 ± 0,29
Paratylenchidae
0,17 ± 0,05
0,27 ± 0,17
Tylenchidae
0,42 ± 0,23
0,62 ± 0,21
long stylet
short stylet
longitudinal
grooves
different
flapped vulva
cuticula annulated
& folded
Dolichodoridae
0,3 ± 0,18
0,3 ± 0,12
Longidoridae
Dorylaimidae
needle tail tip +
double spear guiding tube
conical tail +
ventral bent
long female tail +
single spear
guiding tube
Panagrolaimidae
1,08 ± 0,51
0,84 ± 0,45
short spear