Placoderms (from Ancient Greek πλάξ [plax, plakos] ' plate ' and δέρμα [derma] 'skin') [1] are vertebrate animals of the class Placodermi, an extinct group of prehistoric fish known from Paleozoic fossils …

Placoderm, any member of an extinct group (Placodermi) of primitive jawed fishes known only from fossil remains. Placoderms existed throughout the Devonian Period (about 416 million to 359 …

Introduction to the Placodermi Extinct armored fishes with jaws - a good non-technical coverage; "Devonian Armoured Fish" Annetta Markussen-Brown, 2000; Palaeozoic fossils UK; Placodermi - …

The placoderms (class Placodermi) are armored prehistoric fishes known from fossils dating from the late Silurian to the end of the Devonian period. Placoderms were among the first of the jawed fish …

Introduction to the Placodermi Extinct armored fishes with jaws Click on either picture to view an enlargement! The extinct armored fishes known as placoderms make up what is considered to be …

The Placodermi were a class of armored prehistoric fish, known from fossils, which lived from the late Silurian to the end of the Devonian Period. Their head and thorax were covered by articulated …

Devonian armoured fish are classified as Placodermi with more than 200 genera. Early reconstructions depicted them as jawless fish but it is now known that they did in fact have jaws and are quite …

Jan 22, 2024 · Placoderms were the dominant vertebrates on Earth for almost 80 million years, becoming extinct at the end of the Devonian. The figure shows hallmarks of the external and skeletal …

Jan 28, 2026 · Placodermi (from the Greek πλάξ = plate and δέρμα = skin, literally "plate-skinned") is an extinct class of armoured prehistoric fish, known from fossils, which lived from the Silurian to the …

Currently, Placodermi are divided into eight recognized orders. There are two further controversial orders: One is the monotypic Stensioellida, containing the enigmatic Stensioella; the other is the …