Biological evolution versus phylum cnidaria: overview of the last 10 years (2010 – 2019) in northeast Brazil

Abstract

Introduction: biological evolution permeates across all areas of knowledge in Biological Sciences. Nevertheless, is in need of answers that connect our present to the past, especially when the objects of study are invertebrates, due to the difficult record of the morphophysiological structures of these organisms. Method: the present study sought to conduct a survey of the Brazilian scientific literature on Google Scholar for the last 10 years (2010 - 2019) regarding studies in Evolution related to the phylum Cnidaria in Northeast Brazil, using five search strings previously thought for conducting the search on the suggested topic. Results: a total of 839 files were found and despite the variation of words, after the screening, only 16 papers were computed. Studies that had as areas of knowledge: Paleobiology, Integrative Taxonomy, Molecular Biology and Phylogeography. In the studies found, Anthozoa was the most representative class of Cnidaria. Pernambuco state had the largest contribution of studies to the region. Conclusions: even though the search was for studies from the last 10 years (2010 - 2019), the results give a partial overview of the real problem, which is the lack of studies covering the theme Evolution, when it comes to cnidarians in the Northeast region of Brazil. The possibility of the existence of other studies in this period is not excluded, but with the search instruments used, the results demonstrated, even if superficially, a general problem, lacking studies and new researchers interested in the theme, so that the demands of knowledge are met.