Species

Parvohallopora undulata (Ulrich, 1886)

Synonymy list
1886     Callopora undulata — Ulrich , pp. 95
1893     Callopora undulata — Ulrich , pp. 279, fig. 22:24-31
1911     Hallopora undulata (Ulrich) — Bassler , pp. 332, fig. text fig. 208
1953     Hallopora undulata (Ulr.) — Modzalevskaya , pp. 105
1970     Hallopora undulata (Ulrich) — Rõõmusoks , pp. 327, fig. table 17
1978     Hallopora undulata (Ulrich, 1886) — Astrova , pp. 70
1987     Hallopora wesenbergiana wesenbergiana (Dybowski) — Pushkin , pp. 154
2009     Parvohallopora undulata — Pachut & Fisherkeller , pp. 404
2013     Hallopora undulate (Ulrich, 1886) — Pushkin & Pushkina , pp. 9
Selection of related publications
Rõõmusoks, A. 1970. Stratigraphy of the Viruan Series (Middle Ordovician) in Northern Estonia, I. pp. 1-346. Valgus.
Männil, R. M. 1959. Questions of stratigraphy and bryozoans of the Ordovician of Estonia. pp. 1-852. Institut Geologii Akademii Nauk Estonskoi SSR.
Bassler, R. S. 1911. The Early Paleozoic Bryozoa of the Baltic Provinces. Bulletin of the US National Museum 77, 1-382.
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References based on distribution