Subsequent to the P-T extinction, there was an increase in provincialization, with species occupying smaller ranges – perhaps removing incumbents from niches and setting the stage for an eventual rediversification.
Despois da extinción P-T, houbo un incremento na provincialización, na que as especies ocupaban áreas menores, quizais eliminando os propietarios dos nichos e establecendo a base para unha eventual rediversificación.