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Odkazy a literatura
[1] Galle A., Parsley R. L. (2005): Epibiont relationships on hyolithids demonstrated by Ordovician trepostomes (Bryozoa) and Devonian tabulates (Anthozoa), Bulletin of Geosciences, Vol. 80, No. 2, 125–138 [jako Hyostragulum annae Galle & Plusquellec, 2002]
Galle A., Parsley R. L. (2005): Epibiont relationships on hyolithids demonstrated by Ordovician trepostomes (Bryozoa) and Devonian tabulates (Anthozoa), Bulletin of Geosciences, Vol. 80, No. 2, 125–138 [jako Hyostragulum annae Galle & Plusquellec, 2002]