Hadziidae is a family of amphipods, which is difficult to distinguish from the related family Melitidae. It contains the following genera: \n* Allotexiweckelia \n* Alloweckelia \n* Dulzura \n* Hadzia \n* Holsingerius \n* Indoweckelia \n* Liagoceradocus \n* Mayaweckelia \n* Metahadzia \n* Metaniphargus \n* Mexiweckelia \n* Paramexiweckelia \n* Paraweckelia \n* Protohadzia \n* Psammoniphargus \n* Saliweckelia \n* Tagua \n* Texiweckelia \n* Texiweckeliopsis \n* Weckelia \n* Zhadia