Schwimmer noted in 2002 that Erickson and Brochu's assumptions about growth rates are only valid if the osteodermal rings reflect annual periods, as they do in modern crocodilians.
Schwimmer fixo notar en 2002 que as asuncións de Erickson e Brochu sobre as taxas de crecemento son só válidas se os aneis dos osteodermos reflicten períodos anuais, como ocorre nos crocodilianos modernos.