Redirect to:
The placoderms (Placodermi: Greek = plated skin) were a class of armoured prehistoric fish, which lived from the mid Silurian to the end of the Devonian...
Click to read more »Growth and Histology of Gnathal Elements in Dunkleosteus (Arthrodira, Placodermi), with a Description of a New Species from the Famennian (Upper Devonian)...
Click to read more »Thomson, KS; Thomas, B (2001). "On the status of species Bothriolepis (Placodermi, Antiarchi) in North America". Journal of Vertebrate Paleontology. 21...
Click to read more »(Arthrodira) are an order of extinct armoured, jawed fishes of the class Placodermi. They flourished in the Devonian period before their sudden extinction...
Click to read more »†Galeaspida †Pituriaspida †Osteostraci Gnathostomata (jawed vertebrates) †Placodermi (Paleozoic armoured forms) Chondrichthyes (cartilaginous fish) †Acanthodii...
Click to read more »†Pteraspidomorphi (Paleozoic jawless fish) Gnathostomata (jawed vertebrates) †Placodermi (Paleozoic armoured forms) Chondrichthyes (cartilaginous fish; 300+ species)...
Click to read more »Sepkoski, Jack (2002). "A compendium of fossil marine animal genera (Placodermi entry)" Archived 2011-07-20 at the Wayback Machine. Bulletins of American...
Click to read more »Length Estimation Suggests Much Smaller Sizes for Dunkleosteus terrelli (Placodermi: Arthrodira)". Diversity. Media related to Edestus at Wikimedia Commons...
Click to read more »Length Estimation Suggests Much Smaller Sizes for Dunkleosteus terrelli (Placodermi: Arthrodira)". Diversity. "Saws, Scissors, and Sharks: Late Paleozoic...
Click to read more »years of evolution. Johns Hopkins, Baltimore. Chapter 5, p100: Class Placodermi Martin, R. Aidan. "Hearing and vibration detection". Retrieved 2008-06-01...
Click to read more »Examples of jawed vertebrates (clockwise from top left): Dunkleosteus (Placodermi), lemon shark (Chondrichthyes), piranha (Actinopterygii), and Nile crocodile...
Click to read more »to late Devonian. Bothriolepis canadensis Scientific classification Kingdom: Animalia Phylum: Chordata Class: †Placodermi Order: †Antiarchi Cope, 1885...
Click to read more »birth Scientific classification Kingdom: Animalia Phylum: Chordata Class: Placodermi Order: Ptyctodontida Family: Ptyctodontidae Genus: Materpiscis Binomial...
Click to read more »The evolution of fish began about 530 million years ago during the Cambrian explosion. One of the earliest jawless fish evolved, including Haikouichthys...
Click to read more »