eccrinales eccrinales eccrinales are an order of eukaryotes, previously thought to be zygomycete fungi belonging to the class trichomycetes, but now considered to be members of the opisthokont group mesomycetozoea. eccrinales scientific classification domain: eukaryota (unranked): opisthokonta (unranked): holozoa class: mesomycetozoea order: eccrinales taxonomy order: eccrinales family: eccrinaceae family: palavasciaceae family: parataeniellaceae