"Most anything from the Permian fascinates me because so little survived from it towards the end. These could easily be mistaken for slime mold plasmodia I suppose but more along the line of an alga of sorts or maybe a fern of some kind. …"
"Personally I don't know of any slime mold fruit bodies showing up in the fossil record other than in amber maybe, along with spore or two. You present some very good questions though, ones that I wish I could knowledgeably discuss…"
"Have conditions of the chemical environment conducive to slime mould growth been generalized other than a need for food?...that is...oxidizing versus chemically reducing; acidic versus alkalmine water chemistry? Have slime moulds been recognized in…"