Marcusodictyon Bassler, 1953

Type species: Heteronema priscum Bassler, 1911

Marcusodictyon is now considered to be not a bryozoan, but a phosphatic microproblematicum.

This genus includes the species:

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.