Re: Plesiopterys, new plesiosaur from Germany

[David Marjanovic <david.marjanovic@gmx.at>]

>   Using -pterys instead of -pteryx has nothing to do with the proximity of
> S and X on an English Ascii keyboard,

(And most others.)

> First, the pronounciation is either softer, or easier, to make;

Hardly.

> second, plants and some birds use the softer -pterys or even -pteris,
> so this is hardly unique;

I haven't seen -pterys, but anyway, I think -pteris is a different word.
Just think of "Pteridophyta".

> third, there is nothing really "wrong" about using -s instead
> of -x at the end, since the root is identified and formed correctly,

Well... the root is pteryg-.