Krabsoidea

Krabsoidea is a proposed superorder of decapod crustaceans. This taxonomic grouping is not universally accepted by all scientists, and its status as a distinct superorder remains a subject of ongoing research and debate within the field of carcinology. The concept of Krabsoidea was introduced to potentially group together certain families of crabs and crab-like decapods based on shared morphological and genetic characteristics that might distinguish them from other decapod lineages.

The inclusion of specific families within Krabsoidea can vary depending on the phylogenetic analysis and the criteria used. Generally, the proposed superorder is intended to encompass taxa that exhibit characteristics consistent with a crab-like body plan, including a broad, flattened carapace and a reduced, tucked-under abdomen. However, the precise evolutionary relationships and the exact boundaries of Krabsoidea are still being investigated.

Research into the phylogeny of decapods utilizes a combination of anatomical studies and molecular data, such as DNA sequencing, to understand their evolutionary history. Different studies may yield slightly different results, leading to ongoing discussions about the most accurate classification of these diverse crustaceans. The potential establishment of Krabsoidea represents an effort to refine our understanding of decapod evolution and to create a more precise taxonomic framework for these important marine invertebrates. Further studies are expected to clarify the exact position and composition of Krabsoidea within the broader decapod tree of life.