CALLOMON, J. H. . The Middle Jurassic of western and northern Europe: its subdivisions, geochronology and correlations. GEUS Bulletin, Copenhagen, Denmark, v. 1, p. 61–73, 2003. DOI: 10.34194/geusb.v1.4648. Disponível em: https://geusbulletin.org/index.php/geusb/article/view/4648. Acesso em: 19 apr. 2024.