KnowraPlacodermLinked fromLinked fromThe 17 pages that link to Placoderm, each with the reason it gives.All 17Broader topic 5Related 4Narrower topic 2Compared with 6OsteichthyesCompared with: Placoderms were jawed vertebrates outside Osteichthyes, despite having extensive bony armor.OperculumCompared with: Their gill coverings differed from the familiar bony operculum of many modern fishes.OstracodermCompared with: Placoderms combined armor with jaws, unlike ostracoderms.Jawless fishCompared with: Placoderms show that early jawed fishes diversified alongside surviving jawless lineages.Dermal denticleCompared with: Their bony armor provides a contrasting example of ancient fish skin skeletons.HyneriaCompared with: Placoderms such as Dunkleosteus shared Hyneria’s era but had armored head and trunk plates.