Formerly treated together as the “thalassinideans”, the infraorders Gebiidea and Axiidea
represent two distinctly separate groups of decapods that have converged morphologically …

Phylogenetic relationships within decapod crustaceans are highly controversial. Even recent
analyses based on molecular datasets have shown largely contradictory results. Previous …

The order Decapoda represents a species-rich group of crustaceans. Numerous
economically important and morphologically diverse members of this group have been …

The use of spermatozoal characters in elucidating animal phylogeny (spermiocladistics) has
been successfully applied in the decapod crustaceans. Most of the studies investigating …

The information currently available on sexual selection in hermit crabs is reviewed to identify
the role of males and females before, during and after mating. According to this information …

Comparative ultrastructure of majoid spermatozoa belonging to 23 species, in 19 genera
and five families, is considered, with new data on S chizophrys aspera; S. rufescens (M …

High-level classifications of Anomura typically recognize three major clades: Galatheoidea
(squat lobsters and porcelain crabs), Paguroidea (hermit and king crabs), and Hippoidea …

The monophyletic status of the squat lobster superfamily Galatheoidea has come under
increasing doubt by studies using evidence as diverse as larval and adult somatic …

Background The evolutionary history and relationships of the mud shrimps (Crustacea:
Decapoda: Gebiidea and Axiidea) are contentious, with previous attempts revealing mixed …

The external and internal morphology of the marine squat lobsters is reviewed. External
morphology of squat lobsters has been extensively studied, primarily in the context of …