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From: "Mickey Mortimer" To: Subject: Re: Saurolophus Date: Fri, 26 Jul 2002
15:00:05 -0700If I remember correctly, Glut's Dinosaurs The Encyclopedia included an
illustration of the ischium and indicated S. kryschtofovici was synonymous
with S. angustirostris.
> Is Saurolophus kryschtofovici the same as S. angustirostris?
According to Norman and Sues (2001), it is based on a fragment of an
ischium that is indeterminate.
It was found at the same site as the chimaerical
Mandschurosaurus and the lambeosaurine Charonosaurus.
I assume these hadrosaurs were from exposures of the "Tsagayanskayasvita" on
the Chinese side of the Amur river, at Jiayin, and were formerly named
Tanius. But on page 133 of The Dinosauria Weishampel indicated that S.
kryschtofovici was not from the Tsagayan but from an unnamed unit in
Heilongjiang, which also yielded "Albertosaurus periculosus"
(?Tarbosaurus)and is considered of Nemegtian age by Lucas. Weishampel's
source was Riabinin.
I'm not sure exactly
where Amurosaurus was found, but it was nearby as well.
Amurosaurus is from Blagoveschensk and Kundur on the Russian side of the
Amur, and is probably coeval with the Jiayin hadrosaurs but not S.
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