Brachynotus Brachynotus sexdentatus Macromotettix Emblethis Eucriotettix Liocarcinus depurator Criotettix Varunidae Euparatettix Bolivaritettix Jacques Forest Crabs of the British Isles Hemigrapsus sexdentatus Gerris List of prehistoric malacostracans Purple shore crab Profilicollis Madygen Formation Podabrus Sam Giles List of marine animals of Australia (temperate waters) 2017 in paleoichthyology 2019 in arthropod paleontology