In a message dated 98-01-20 17:14:15 EST, DaveH47@delphi.com writes: << FWIW, I have *never* seen a _Mamenchisaurus_ restoration in which the neck was anything but horizontal...Unlike _Barosaurus_, I thought it was always indisputed that _Mamenchisaurus_ was a Diplodicid. >> Also appears with near-vertical neck in _Archosaurian Articulations_ #8...