Regularities of the appearance of morphologically similar structures in the evolution of four-beam corals
Authors:
Abstract
The appearance of new morphological features is confined to a few sparse epochs, which in time coincide with the beginning of regressive stages in the history of the Earth's development. In different evolutionary lineages of rugose corals, the main skeletal features arise in a strictly defined sequence, but at different chronological boundaries. Among rugose corals, one distinguishes monochronomorphs, which are confined to specific time intervals and therefore have great stratigraphic significance, and polychronomorphs — morphologically similar forms of different ages.
Область исследования:
(Archived) Without section
Funding:
None
References
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