Can someone help me find an identification key for Cassiopeia sp.?

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Does the concentration of a sample affect the absorbance measurement in the visible region?

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Has anyone used Python for qualitative research analysis?

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Godfried Van Moorsel

Dear Lewis

This paper by Wagenaar Hummelinck may help.

http://www.repository.naturalis.nl/record/506244

Lewis Abraham

Thank you Godfried! That paper is perfect. Several of our specimens are C xamachana. The other species we have is likely to be frodosa, but I can't take a look at the canal systems currently so I am going off the oral arm morphology.

Once again many thanks,

Lewis

Nice that this old paper could be of help. Thanks for up-voting my answer.