PeerJ Author 135 Points Contributions by role Author 135 Contributions by subject area Biodiversity Taxonomy Zoology Freshwater Biology Livanio C Santos PeerJ Author Summary Biodiversity Freshwater Biology Taxonomy Zoology Past or current institution affiliations Universidade Federal do Ceará PeerJ Contributions Articles 1 June 29, 2020 A new species of freshwater crab genus Fredius Pretzmann, 1967 (Crustacea: Brachyura: Pseudothelphusidae) from a naturally isolated orographic forest enclave within the semiarid Caatinga in Ceará, northeastern Brazil Livanio C. Santos, Marcos Tavares, José R.F. Silva, Marcelo Cervini, Allysson P. Pinheiro, William Santana https://doi.org/10.7717/peerj.9370 PubMed 32655990