Type species: Heteronema priscum Bassler, 1911
Marcusodictyon is now considered to be not a bryozoan, but a phosphatic microproblematicum.
This genus includes the species:
Marcusodictyon priscum | (Bassler, 1911) | Ordovician | Estonia |
Reference:
Taylor, P.D. & Curry, G.B., 1985. The earliest known fenestrate bryozoan, with a short review of Lower Ordovician Bryozoa. Palaeontology 28, 147-158.