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Acritarchs of the Middle Silurian Rochester Formation of southern Ontario.
| Thusu, B. | |
| 1973a | |
| Palaeontology, v.16, no.4, p.799-826, pl.104-106. | |
| Acritarchs of the Middle Silurian Rochester Formation of southern Ontario. |
Thusu, B., 1973a: Acritarchs of the Middle Silurian Rochester Formation of southern Ontario; Palaeontology, v.16, no.4, p.799-826, pl.104-106.