New genus of the family pericosmidae in the portuguese cretaceous
Soares A.F.; Devries A., 1967: New genus of the family pericosmidae in the portuguese cretaceous. Memorias e Noticias Publicacoes do Museu e Laboratorio Mineralogico e Geologico Da Universidade de Coimbra e do Centro de Estudos Geologicos (63): 55-64