Bryozoa

Arthroclema Billings, 1862

Selection of related publications
Taylor, P. D., Curry, G. B. 1985. The earliest known Fenestrate Bryozoan, with a short review of Lower Ordovician Bryozoa. Palaeontology 28, 1, 147-158.
Gorjunova, R. V. 1985. Morphology, system and phylogenesis of Bryozoans (order Rhabdomesida). Transactions of the Paleontological Institute (PIN) 208, 1-152.
Bassler, R. S. 1911. The Early Paleozoic Bryozoa of the Baltic Provinces. Bulletin of the US National Museum 77, 1-382.
Billings, E. 1862. Palaeozoic Fossils, vol. 1: Containing Descriptions and Figures of New or Little Known Species of organic Remains from the Silurian Rocks, the second portion.