Pristina aequiseta Bourne
Recognition
One to 2 finely serrate dorsal hair chaetae are present.
The dorsal needles number 1 or 2 and are only minutely bifid
Lacks the elongate hairs on segment 3 of Pristina leidyi.
Dorsal chaetae begin already on the second segment only in this genus
and Pristinella jenkinae, which lacks a proboscis.
The ventral chaetae number 5 to 8 with those on segment 2 longer and thinner
than the rest.
Ventral chaetae are thicken on some of segments 4 to 6 when mature.
There are no eyes. Coelomocytes are present.
Summary
Pristina foreli (Piguet) is included here.
The length is 2 to 8 mm.
Distribution
This is a widespread species worldwide.
26 MAY 1996 D.L. Gustafson
AIM home page
dlg@rivers.oscs.montana.edu