PeerJ Author 135 Points Contributions by role Author 135 Contributions by subject area Biodiversity Taxonomy Zoology Freshwater Biology Allysson P Pinheiro PeerJ Author Summary Biodiversity Freshwater Biology Taxonomy Zoology Websites ResearcherID PeerJ Contributions Articles 2 January 3, 2024 Description of a new fossil Thelyphonida (Arachnida, Uropygi) and further record of Cratosolpuga wunderlichi Selden, in Selden and Shear, 1996 (Arachnida, Solifugae) from Crato Formation (Aptian/Albian), Araripe Basin, Brazil William Santana, Allysson P. Pinheiro, Thiago Andrade Silva, Daniel Lima https://doi.org/10.7717/peerj.16670 PubMed 38188171 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