Jack Pierce & group,
I am currently working with two species of Pinnotherid associated with
terebellid polychaetes, one possibly undescribed, the other Pinnixa
tubicola. These are the only NE Pacific pinnotherids I have found directly
associated with polychaetes. I have found P. schmitti & Scleroplax
granulata "loosely" associated with Echiurus echiurus (meaning I have
found them in cases where they were probably in the burrow with the
Echiurus, but I have found both species in bivalve burrows, with at least two
species of thalassinid crustacean, and free living). Pinnixa tubicola is
probably the most modified of NE Pacific pinnotherids in having a very
wide yet very short carapace and very elongate 4th walking legs,
presumably to facilitate movement in the terebellid and chaetopterid tubes. -
Aaron
Aaron & Laura Baldwin
609 Saw Mill Creek Blvd
Sitka, Alaska 99835
<jsapb at gci.net>
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