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Re: Quo vadis, T. rex? (my last!)

In a message dated 96-02-05 14:16:29 EST, nking.ucs@smtp.usi.edu (King, Norm)

>     Micro-order Coelurosauria
>             Family Compsognathidae
>         Superfamily Maniraptora
>             Family Ornitholestidae
>             Family Dromaeosauridae   
>             Family Oviraptoridae
>         Superfamily Arctometatarsalia
>             Family Avimimidae
>             Family Tyrannosauridae
>             Family Troodontidae
>             Family Ornithomimidae

Once you get into superfamilies, you're under the jurisdiction of the ICZN.
The names Maniraptora and Arctometatarsalia are improper family-level names,
which must ultimately be based on generic names. In the case of
superfamilies, the names are formed from the generic-name root plus the
suffix -oidea, and if there are already families within the superfamily, then
the oldest family name tells you which genus you must use to form your
superfamily name. Thus, instead of Maniraptora, the name must be
Dromaeosauroidea, because Dromaeosauridae is the oldest included family-level
name (Matthew & Brown, 1922, versus Oviraptoridae Barsbold, 1976 and
Ornitholestidae from Ornitholestinae Paul, 1988). And Arctometatarsalia would
have to become Ornithomimoidea, from Ornithomimidae Marsh, 1890, which beats
the other three families by a wide margin.

Note that keeping Maniraptora and Arctometatarsalia above the family level
would retain them unchanged.