 microdon" were assigned to "Lonchodectes" in a 2001 review by David Unwin of Cambridge Greensand pterosaurs.joining "L. compressirostris", "L. giganteus", "L. platystomus", and "L. sagittirostris" in his listing of valid species.However, "L. giganteus", "L. machaerorhynchus", and "L. microdon" have since been assigned to a new genus, "Lonchodraco", while "L. sagittirostris" has been renamed "Serradraco".