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Re: Is *Amargasaurus sattleri* a Parent Clade for Dicraeosaurines?

> Perhaps we should dump species,
> and keep genera. Name supra-generic groups, and name a
> ?species? or subgroup of ?genus? when it appears there
> are two forms within the UBE we?ve given a name to.

Isn't this what we already do with subspecies? Not every species has a
subspecies, while many have several.