[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index][Subject Index][Author Index]
Nigersaurus: the complete picture
Thomas R. Holtz, Jr. writes:
> * With the topology Rebbachisauridae + (Dicraeosauridae + Diplodocidae), a
> low-browsing short-necked morph is the ancestral condition for
Er. Why would we assume that this was evolved in basal diplodocoids
and then lost in flagellicaudatans, rather than that it is apopmorphic
for rebbachisaurids (or indeed just for Nigersaurus)?
/o ) \/ Mike Taylor <firstname.lastname@example.org> http://www.miketaylor.org.uk
)_v__/\ "Beak in beak, vestigal wing in vestigal wing, with a moonful
of spiracles, he's the Guaranteed Eternal Sanctuary Chicken" --
Nemesis, "Rupper's Steady"