Identifying two organisms in pond water sample 17/5/2017

The following are two photographs reproduced from my post 17/5/2017, which I would like to identify myself.

Looking at Patterson 1992, these might be different views of the same colony of single called organisms, the top being complete and the bottom a part of a colony. I would call this a Volvoid type organism, with potential identifications shown on scanned pages from that book below:

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