On April 10, 2015, Dr. Mark Martindale from the University of Florida gave the 7th annual George D. Grice, Jr. Lecture. This special Ft. Johnson seminar honors the contributions of the Grice family to marine science. Mark’s talk, “Developmental Constraints and the Pattern of Animal Evolution,” covered his work on the relationship between genomic and morphological complexity in the evolution of animal form. His research covers the evolution of development, the evolution of novelty and complexity, and the relationship between development and regeneration.