'plate' and δέρμα [derma] 'skin') are vertebrate animals of the class Placodermi, an extinct group of prehistoric fish known from Paleozoic fossils during...

Length Estimation Suggests Much Smaller Sizes for Dunkleosteus terrelli (Placodermi: Arthrodira)". Diversity. 15 (3): 318. Bibcode:2023Diver..15..318E. doi:10...

rays) Subclass Holocephali (chimaeras and extinct relatives) Class †"Placodermi" (armoured fish, paraphyletic) Class †"Acanthodii" ("spiny sharks", sometimes...

and weigh 2.5 kg (5.5 lb). The largest fish of the now-extinct class Placodermi was the giant predatory Dunkleosteus. The largest and most well known...

†Cephalaspidomorphi Infraphylum Gnathostomata (jawed vertebrates) Class †"Placodermi" (Paleozoic armoured forms; paraphyletic in relation to all other gnathostomes)...

"jointed neck") is an order of extinct armored, jawed fishes of the class Placodermi that flourished in the Devonian period before their sudden extinction...

all jawed vertebrates except the chondrichthyans and the extinct class Placodermi. Recent studies indicate that Osteichthyes evolved from placoderms like...

three top-level groupings: Chondrichthyes, or the cartilaginous fish; Placodermi, an extinct grade of armored fish; and Teleostomi, which includes the...

fossil record that have ever been considered to be members of the class Placodermi. This list excludes purely vernacular terms. It includes all commonly...

olfactory system than animals not in it. The only extinct classes shown are Placodermi and Acanthodii. Note that there are many other extinct chordate groups...

scraps were of a placoderm, and not a dinosaur. Denison, Robert (1978). Placodermi Volume 2 of Handbook of Paleoichthyology. Stuttgart New York: Gustav Fischer...

along with Brindabellaspis, form some of the most basal clades of the Placodermi, or Gnathostomata. They are more related to other placoderms and the more...

spiny shark ancestors. Subphylum Vertebrata └─Infraphylum Gnathostomata ├─Placodermi — extinct (armored gnathostomes) └Eugnathostomata (true jawed vertebrates)...

classification Domain: Eukaryota Kingdom: Animalia Phylum: Chordata Class: †Placodermi Order: †Antiarchi Family: †Pterichthyodidae Stensiö, 1948 Genus: †Pterichthyodes...

addition to these, there are two classes of extinct armoured fishes, "Placodermi" and "Acanthodii". Other ways of classifying the vertebrates have been...

(Canada, Upper Devonian), and a cladistic analysis of the Eubrachythoraci (Placodermi, Arthrodira)". Zoological Journal of the Linnean Society. 159 (1): 195–222...

Quasipetalichthyidae. Zhu, M. "New information on Diandongpetalichthys (Placodermi: Petalichthyida)." Early vertebrates and related problems of evolutionary...

classification Domain: Eukaryota Kingdom: Animalia Phylum: Chordata Class: †Placodermi Order: †Ptyctodontida Family: †Ptyctodontidae Genus: †Materpiscis Long...

Thunder Bay Limestone is a geologic formation in Michigan that preserves fossils dating back to the Middle Devonian and is the uppermost formation of the...

possesses these layers. Placoderms were extinct by the end of the Devonian. Placodermi is a paraphyletic group of the clade Gnathostomata, which includes all...

small, scale-like tubercles. Stensioella is tentatively placed within Placodermi as being among the most basal of all placoderms, as from what can be discerned...

Chordata Clade: Olfactores Subphylum: Vertebrata Groups included "Agnatha" †"Placodermi" †"Acanthodii" Chondrichthyes Osteichthyes Actinopterygii Sarcopterygii...

virtually all jawless fish, save for lampreys and hagfish, as well as the Placodermi, a group of armoured fish that dominated much of the late Silurian, and...

Fossil Scientific classification Kingdom: Animalia Phylum: Chordata Class: Placodermi Order: Petalichthyida Family: Macropetalichthyidae Genus: Macropetalichthys...

Length Estimation Suggests Much Smaller Sizes for Dunkleosteus terrelli (Placodermi: Arthrodira)". Diversity. 15 (3): 318. Bibcode:2023Diver..15..318E. doi:10...

biomechanical model of feeding kinematics for Dunkleosteus terrelli (Arthrodira, Placodermi)". Paleobiology. 35 (2): 251–269. Bibcode:2009Pbio...35..251A. doi:10...

Miller, Robert Rush (January 1980). "Handbook of Paleoichthyology, 2. Placodermi". Palaeogeography, Palaeoclimatology, Palaeoecology. 31: 93–94. doi:10...

Like Stensioella heintzi, the Pseudopetalichthids' placement within Placodermi is suspect. However, due to a gross lack of whole, uncrushed, articulated...

Phuong, Ta Hoa; Truong, Doan Nhât (1997-08-01). "The Devonian vertebrates (Placodermi, Sarcopterygii) from Central Vietnam and their bearing on the Devonian...

1139/cjes-2017-0013. hdl:1807/76893. Denison, Robert Howland (1978). Placodermi. München [Germany]. ISBN 978-0-89574-027-4. Woodward, Arthur Smith (1891)...