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10.1111/j.1475-4983.2006.00561.x
SELDEN, P. A., CASADO, F., MESQUITA, M. 2006. Mygalomorph spiders (Araneae: Dipluridae) from the Lower Cretaceous Crato Lagerstätte, Araripe Basin, north-east Brazil. Palaeontology, 49, 4, 817–826.
Paul A. Selden, Fabio da Costa Casado and Marisa Vianna Mesquita The first mygalomorph spiders from the Lower Cretaceous Crato Lagerstatte of Ceara Province, north-east Brazil, are described, from adult males and females, in two new genera and species: Cretadiplura ceara Selden, gen. et sp. nov. and Dinodiplura ambulacra Selden, gen. et sp. nov. They belong to the extant family Dipluridae, hitherto known as fossils only from Tertiary strata; thus this occurrence extends the family record by some 90 myr. Wiley Online Library