Definition of Ostracoderms. Meaning of Ostracoderms. Synonyms of Ostracoderms

- 1844 as a new group, named "ostracoderms" to mean 's****-skinned' (from Gr**** ὄστρακον óstrakon + δέρμα dérma). Ostracoderms have heads covered with a bony...
- had no movable jaws, classified them in 1844 into a new group "ostracoderms". Ostracoderms existed in two major groups, the more primitive heterostracans...
- such as hagfishes and lampreys) and extinct clades (e.g. conodonts and ostracoderms, among others). They are sister to vertebrates with jaws known as gnathostomes...
- earliest fish with dedicated respiratory gills and paired fins, the ostracoderms, had heavy bony plates that served as protective exoskeletons against...
- vertebrates or, at any rate, for the ensemble of all ostracoderms and the gnathostomes. Other ostracoderms, such as the Galeaspida are now known to have a...
- corresponded to sharp decline of jawless fish such as conodonts and ostracoderms. The Silurian system was first identified by the Scottish geologist Roderick...
- the species of fish it came from. Scales originated within the jawless ostracoderms, ancestors to all jawed fishes today. Most bony fishes are covered with...
- parts of the water column. Among vertebrates, jawless armored fish (ostracoderms) declined in diversity, while the jawed fish (gnathostomes) simultaneously...
- "bony s****") is an extinct taxon of bony-armored jawless fish, termed "ostracoderms", that lived in what is now North America, Europe and Russia from the...
- sunfish, giant grouper and all the other giant bony fishes alive today. Ostracoderm - armoured jawless fish. Prehistoric fish Zhao, W.; Zhang, X.; Jia, G...