However, recent molecular phylogenies have suggested this characteristic is not as informative as previously believed: the coelom may have arisen twice, once in protostomes and once among the deuterostomes.
Recent molecular phylogenies have suggested. This was however. This characteristic is not as informative as previously believed. The coelom may have arisen twice in protostomes. This was once. The coelom may have once among the deuterostomes. This was once.