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Re: "Megapnosaurus" says farewell...

In a message dated 2/4/02 5:09:11 PM Pacific Standard Time, 
dinoland@lycos.com writes:

<< There is absolutely nothing to designate whether two animals should be put 
in the same genus or two separate genera.  I mean, if I wanted to I _could_ 
place _Syntarsus_ (the beetle!) and a rabbit in the same genus.  Who would 
stop me?  It may seem ridiculous...but there is no convenient definition, a 
la species. >>

Well, then your genus, since it would have to be a clade, would also include 
all other arthropods, all chordates, and a bunch of other invertebrate phyla. 
These would, for convenience, have to be subdivided into subgenera, 
subsubgenera, and so forth. So eventually you'd be back where you started, 
only at a different taxonomic level.