Category:Ptychognathus

<nowiki>Ptychognathus; Ptychognathus; Ptychognathus; Ptychognathus; Ptychognathus; Ptychognathus; 折颚蟹属; Ptychognathus; Ptychognathus; Ptychognathus; Ptychognathus; Ptychognathus; Ptychognathus; Ptychognathus; Ptychognathus; Ptychognathus; Ptychognathus; Ptychognathus; Ptychognathus; Ptychognathus; Ptychognathus; Ptychognathus; Ptychognathus; Ptychognathus; Ptychognathus; Ptychognathus; Ptychognathus; Ptychognathus; Ptychognathus; Ptychognathus; Ptychognathus; Ptychognathus; 折顎蟹屬; Ptychognathus; 折颚蟹属; рід вищих ракоподібних; geslacht van Malacostraca; genus of Malacostraca; Gattung der Familie Varunidae; géineas Malacostraca; genus of Malacostraca; جنس من لينات الدرقة; 弓蟹科的一属甲壳动物; genus of Malacostraca</nowiki>