Although the calcareous algae Renalcis and Epiphyton, which were main reef-constructors at the end of the Late Proterozoic, beginning of the Cambrian, and, partially, in the Devonian, long attracted the attention of scientists, their nature long remained enigmatic. Numerous revisions inclined to the opinion that Renalcis only existed and considered Chabakovia, Shuguria, Izhella, and even Epiphyton as synonyms of the former genus. However, convincing proofs for this conclusion were lacking. I propose a new morphological interpretation of the Renalcis group, based on Gemma with its unique preservation of monospores within the colony, which overgrew outside the colony first in Korilophyton and then in Epiphyton. It was concluded that the life cycle of Epiphyton included heteromorphous stages of Renalcis (Izhella), Chabakovia (Shuguria), Gemma, and dendroid Korilophyton. © Pleiades Publishing, Ltd. 2009.
CITATION STYLE
Luchinina, V. A. (2009). Remalcis and Epiphyton as different stages in the life cycle of calcareous algae. Paleontological Journal, 43(4), 463–468. https://doi.org/10.1134/S0031030109040169
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