"gills are distant to subdistant"—would prefer non-mycologese here
These terms for gill spacing are unfortunately not standardized, so I changed it to a more vague "distantly spaced", and gave the # of gills. Sasata (talk) 23:22, 17 October 2010 (UTC)[reply]
DNA amplification from a 90-million-year-old fossil? They must have been optimists...
"Thus it is possible that Archaeomarasmius should be placed as incertae sedis in the order Agaricales."—the unexplained "incertae sedis" makes the sentence opaque, and I'm not sure you need it at all, since the preceding sentences already make the point that its relationships are uncertain.
The information about geologic provenance (age, New Jersey amber) is only in the lead, not in the body; per WP:LEAD, this information should also be somewhere in the body. Ucucha22:48, 17 October 2010 (UTC)[reply]
And thanks for reviewing Ucucha. There will be more fossil fungus GANs coming in the near future, thanks to Kevmin's efforts. Sasata (talk) 00:45, 18 October 2010 (UTC)[reply]