Definition of Placodermi. Meaning of Placodermi. Synonyms of Placodermi

Here you will find one or more explanations in English for the word Placodermi. Also in the bottom left of the page several parts of wikipedia pages related to the word Placodermi and, of course, Placodermi synonyms and on the right images related to the word Placodermi.

Definition of Placodermi

Placodermi
Placodermi Plac`o*der"mi, n. pl. [NL., fr. Gr. ?, ?, a tablet + ? skin.] (Paleon.) An extinct group of fishes, supposed to be ganoids. The body and head were covered with large bony plates. See Illust. under Pterichthys, and Coccosteus.

Meaning of Placodermi from wikipedia

- '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. doi:10.3390/d15030318. ISSN 1424-2818...
- and rays) Subclass Holocephali (chimaeras and extinct relatives) class Placodermi (armoured fish) † class Acanthodii ("spiny sharks", sometimes classified...
- fossil record that have ever been considered to be members of the class Placodermi. This list excludes purely vernacular terms. It includes all commonly...
- †Cephalaspidomorphi Infraphylum Gnathostomata (jawed vertebrates) class †"Placodermi" (Paleozoic armoured forms; paraphyletic in relation to all other gnathostomes)...
- all jawed vertebrates except the chondrichthyans and the extinct class Placodermi. Recent studies indicate that Osteichthyes evolved from placoderms like...
- 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...
- three top-level groupings: Chondrichthyes, or the cartilaginous fish; Placodermi, an extinct grade of armored fish; and Teleostomi, which includes the...
- "jointed neck") is an order of extinct armored, jawed fishes of the class Placodermi that flourished in the Devonian period before their sudden extinction...
- (Vertebrata, Placodermi) from the Devonian of the north-western part of the East European Platform. "The Phylogeny of the Antiarcha (Placodermi, Pisces),...