The situation of these families seems to have been very unstable, though I
hope last works as the one from Boucher & Rocroi are fixing them more or
less definitively. But about the genus... they look like jumping happily
from one family to another! I suppose, as David indicate, that this will
continue as every genus is deeply analyzed, which could take a lot of
years...

Anyway, your information was useful, thanks to both of you Sophie and David.

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