Dr David Martill, reader in palaeobiology at University of Portsmouth, said: "The new dinosaur was brought to my attention last year and I went up to Lancashire to see the specimen.
"I might be wrong, but that will require me to see the specimen first hand.
The fewer people have seen the specimen, the more valuable it is for collectors".
When palaeontologists first saw the specimen in 2012, it was part of a private collection in Germany.
"I look forward to seeing the specimen," Dr. Sereno said, adding that he would like to examine it to see if there is a fine structure in it that could be coronary arteries.
At least one independent expert who has seen the specimen agrees.
Regardless of what Tetrapodophis turns out to be, says Caldwell, "I'm looking forward to seeing the specimen".
In October 1999, after having been informed by Currie of the problems and seeing the specimen for the first time, Xu noticed that the tail of "Archaeoraptor" strongly resembled an unnamed maniraptoran dinosaur that he was studying later to be named Microraptor zhaoianus.
If no trichomonads were seen, the specimen was considered negative and discarded.
And it's a revelation to see the venerable specimens at the Arnold, which has remained true to its plant collecting roots.
