Definition of Psammosteid. Meaning of Psammosteid. Synonyms of Psammosteid

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

Definition of Psammosteid

No result for Psammosteid. Showing similar results...

Meaning of Psammosteid from wikipedia

- agnathans. The psammosteids had broad, flattened bodies, suggesting a predominantly benthic habit. The earliest unequivocal psammosteid is Drepanaspis...
- specific sized plankton from the water column. If Weigeltaspis is not a psammosteid pteraspidid, then the Anchipteraspidids are the oldest-most known pteraspidid...
- to other Ostracoderms, reaching a width of 1.5 m (4.9 ft). Like other Psammosteid Heterostracans, Tartuosteus had a broad and flattened body which was...
- and pteraspidid species were applied to psammosteids, but proved not to be useful. At the time, psammosteids were not well characterized morphologically...
- suggest the living animals were, at least superficially, similar to psammosteids, some authorities, such as Tarlo, place them within Psammosteida. Because...
- (and best) known genus, Drepanaspis from the Hunsrück lagerstätte. The Psammosteids were the only heterostracans that survived the Upper Frasnian extinction...
- Pteraspididae, Gigantaspis and Protaspididae), and the anchipteraspidids and the Psammosteids. Protopteraspids are found in Lower Devonian marine strata of the Western...
- Retrieved 2024-09-03. Glinskiy, Vadim (2017). "Phylogenetic relationships of psammosteid heterostracans (Pteraspidiformes), Devonian jawless vertebrates". Biological...
- anchipteraspidids, the most primitive of pteraspidids, are the sister-group of the psammosteids. Many genera are found in Lower Devonian marine deposits of the United...
- Intact specimens of Weigeltaspis suggest a living animal similar to psammosteids like Drepanaspis. The armor of Phialaspis symmondsi (once considered...