On 10 Jul 2001, Steve Brusatte wrote: >>Can anyone tell me what Rynchotrema is?<< > An articulate brachiopod (Ordovician, AFAIK). < Sorry for the non-dinosaurian post, but according to Shimer and Shrock's "Index Fossils of North America", the correct spelling is _Rhynchotrema_ [Hall 1860]. They list six species, all mid to upper Ordovician in age. PTN