Length ( bottle ):
137 µm - 154 µm

Width:


Width of the head ( five-lobed ):


µm

Length of the furca:


Adhessive tubes:


Pharyx ( cylindrical, terminal bulge ):


Diameter of the mouth ( around ):
unknown

Dorsal scales:
36-45 rows, each with 30-42 triangularly rounded, non-overlapping scales; scales bear a cleft spine (5-11 µm)

Ventral scales:
Ventral intercilliary field naked except for posterior end; here 3-5 rows of 5 oval scales each; two terminal plates.

Oecology:
so far only Spitsbergen

Length ( bottle ):
123 µm - 135 µm

Width:
28 µm - 38 µm

Width of the head ( five-lobed ):
25 µm - 30 µm

Width of the neck:
18 µm µm

Length of the furca:
18 µm - 20 µm

Adhessive tubes (dick):
50% of furca

Pharyx ( cylindrical ):
34 µm - 35 µm

Diameter of the mouth ( around ):
4-6 µm

Dorsal scales:
16-19 rows of 27-30 suboval overlapping scales (3x3 µm) each with a cleft spine (9µm); one pair of parafurcal spines (14-16 µm).

Ventral scales:
Ventral intercilliary field naked except for posterior third, which bears small, oval keels (2x2 µm); two keeled terminal plates (6x4 µm); 7-8 terminal spines (10-14 µm).

Oecology:
Riverbed

Similar species:
well delimitable

Particularities:
split spines