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Fossil polychaetes (?)




From: Fleisher, Bob - FLER
To:  OPEN ADDRESSING SERVI-OPENADDR
Subject:  Fossil polychaetes (?)
Date: 1995-11-08 16:55
Priority:

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One of my geologist colleagues here at Chevron has just asked me a batch of
questions about an occurrence of what has been reported as fossil
polychaetes.  I am a foraminiferal micropaleontologist who knows virtually
nothing about these forms, so I'm throwing the questions out to see whether
anyone can enlighten us.

The species is Cladosiphonia sinensis, apparently regarded as a tube-forming
polychaete, is reported as forming part of "reef" communities in lacustrine
deposits of the Shahejie Formation in northeastern China.  My colleague
wants to know:

1)  Is C. sinensis truly a nonmarine/lacustrine species, or could this
occurrence represent a temporary marine incursion into a lacustrine basin?

2)  Is this species really a polychaete?

3)  Are there any synonyms for this species that might have been applied to
occurrences outside China?

I have no idea, and don't know where to go to find out.  Any help would be
gratefully appreciated.



Robert Fleisher
Chevron USA Production Co.
P. O. Box 1635
Houston, Texas   77251   USA

phone:  (713) 754-2888
email:  fler@chevron.com