| Reference |
de Man 1880 |
Loof 1961 ** |
Chitwood 1960 |
Riemann 1966 |
Platt & Warwick 1988 |
Bussau 1990 |
Present study |
Present study |
| Habitat & location |
Sand dunes; Holland |
Sand dunes; Holland |
Beach spermatophytes; California |
Coastal (high water line); Germany |
Coastal subsoil; New Hebrides |
Dunes; Germany and Denmark coast |
Continental slope; New Zealand |
Continental slope; New Zealand |
| Body length (µm) |
1700-2000 |
1270–1360 |
1600 |
1600–2120 |
1300–2400 |
1260–1310 |
1321–1688 |
1272 |
| a |
25 |
20–22 |
29 |
22 |
16–19 |
15 |
17–18 |
24 |
| b |
7 |
6–7 |
7 |
7 |
ND |
6–7 |
11 |
8 |
| c |
35–50 |
33–38 |
39 |
43 |
ND |
27–28 |
32–38 |
27 |
| Inner labial sensilla |
Papilliform? |
Papilliform |
Papilliform on lobes |
Papilliform on lobes |
Flap-like |
Papilliform on lobes* |
Papilliform |
Papilliform |
| Amphideal fovea width (% cbd) |
ND |
27* |
27* |
23 |
30 |
23* |
51–56 |
56 |
| Amphideal fovea t urns |
ND |
2¼ |
2* |
2¼ |
2¼ |
2½* |
4–5 |
5¼ |
| Pharynx length |
ND |
ND |
ND |
245 |
ND |
ND |
125–155 |
158 |
| Posterior pharynx |
ND |
Swollen posteriorly |
Cylindrical |
Slightly swollen posteriorly |
Cylindrical |
ND |
Bulb present |
Bulb present |
| PC arrangement*** |
ND |
ND |
ND |
Dorsosublateral and ventrosublateral; regularly-spaced* |
Dorsosublateral and ventrosublateral; regularly-spaced* |
Dorsosublateral and ventrosublateral; regularly-spaced* |
Dorsosublateral; two or three groups of 8–11 PC |
Dorsosublateral; sparsely distributed |
| Ratio of spicule length to body diameter at level of cloacal opening |
ND |
0.9* |
0.7* |
0.7 |
1.0 |
0.8* |
1.2–1.6 |
1.5 |
| Number of precloacal supplements |
ND |
7 |
7 |
6 |
6–7 |
ND |
3–4 |
2 |