Sakai (biology, Shikoku U., Tokushima, Japan) is a leading expert on the taxonomy of the Thalassinidea, in particular the Callianassoidea (crustaceans commonly known as ghost shrimp or mud lobster.) I
Its 156 species are found in Japan, Madagascar, Nigeria, Taiwan, Cameroon, France, Costa Rica, Mexico, and most points between, and through long years of study it has been found that the family Upogeb
The author prefaces this presentation: "With this book on the superfamily Axioidea I conclude my worldwide overview of the second major clade of the infraorder Thalassinidea, started in 2005 with a fi