[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index][Subject Index][Author Index]
Re: Coronosaurus, new ceratopsid genus for Centrosaurus brinkmani
Outside of Archosauria (way outside), another example of a genus
> named after a similar-named higher taxon is the fossil prototherian
> _Monotrematum_, originally assigned to the Monotremata.
Yes. BTW, the singular of _tremata_ is _trema_.
_Monotrematum_ is now often considered a junior synonym of
Really? *M.* is two isolated teeth from the Paleocene of South America;
*O.* is good material (at least one skull, IIRC) from the Miocene of
But if Monotremata is limited to the crown clade (_Ornithorhynchus
> anatinus_+_Tachyglossus aculeatus_), and _Obdurodon_/_Monotrematum_
> lies outside of this clade (as some phylogenies have proposed), then
> the genus _Monotrematum_ would not belong in Monotremata.
Indeed. See also *Eucoelophysis* the silesaurid.