| a, b, c |
De Man (1880) ratios: |
|
a—Body length divided by maximum body diameter |
|
b—Body length divided by pharynx length |
|
c—Body length divided by tail length |
| abd |
Anal/cloacal body diameter |
| amph |
Amphidial fovea diameter |
| amph. pos |
Distance of amphidial fovea from anterior end |
| Amph% |
Percentage of amphideal fovea diameter in relation to corresponding body diameter |
| blb |
Pharynx bulb diameter |
| blb % |
Percentage of pharynx bulb diameter in relation to corresponding body diameter |
| cbd |
Corresponding body diameter |
| 2nd ceph ccl |
Second cephalic circle |
| cs |
Length of cephalic setae |
| cs/hd |
Length of cephalic setae in relation to cephalic diameter |
| els |
Length of external labial setae or papillae |
| exc. p |
Distance of secretory-excretory pore from anterior body end |
| exc. p% |
Secretory-excretory pore position in relation to pharynx length, percentage |
| gub |
Gubernaculum length |
| gub/spic |
Gubernaculum proportion in relation to spicule length |
| hd |
Cephalic diameter |
| L |
Body length |
| mbd |
Maximum body diameter |
| mbd/hd |
Maximum body diameter in relation to cephalic diameter |
| n. ring |
Position of nerve ring from anterior body end |
| n. ring% |
Nerve ring position in relation to pharynx length, percentage |
| ph |
Pharynx length |
| spic |
Length of spicules along arc |
| spic/abd |
Spicule proportion in relation to body diameter at level of cloaca |
| t |
Tail length |
| t/abd |
Tail length in relation to body diameter at level of anus/cloaca |
| v |
Distance of vulva from anterior end of body |
| V% |
Position of vulva as percentage of body length from anterior end |