Placodermi
Placodermi, usa na extinct na class han mga prehistoric na isda na nabuhi sadton Silurian tubtob sa katapusan san Devonian Period.
![](http://upload.wikimedia.org/wikipedia/commons/thumb/2/28/Bothriolepis_panderi.jpg/220px-Bothriolepis_panderi.jpg)
An una na masusugad na placoderm ginuwa sa fossil record sadton kaurhian san Llandovery epoch sa Silurian.[1] An magkadurudilain na mga grupo san placoderm nagdaramo sadton Devonian, pero nagin extinct sa katapusan san Devonian Hangenberg event 360 milyones katuig an nakalabay[2]
Mga biolohikal na order han Placodermi
igliwatAntiarchi †
Arthrodira †
Brindabellaspida †
Petalichthyida †
Phyllolepida †
Ptyctodontida †
Rhenanida †
Acanthothoraci †
?Pseudopetalichthyida †
?Stensioellida †
Mga kasarigan
igliwat- ↑ Burrow, Carol & Turner, Susan (Septyembre 1998). "A review of placoderm scales, and their significance in placoderm phylogeny". Journal of Vertebrate Paleontology. 19 (2): 204–219. doi:10.1080/02724634.1999.10011135.CS1 maint: multiple names: authors list (link)
- ↑ Sallan, Lauren & Coates, Michael (Hunyo 2010). "End-Devonian extinction and a bottleneck in the early evolution of modern jawed vertebrates". Proceedings of the National Academy of Sciences. 107 (22): 10131–10125. doi:10.1073/pnas.0914000107. PMC 2890420. PMID 20479258. Ginhipos tikang han orihinal han 26 Nobyembre 2014. Ginkuhà 23 Septyembre 2014.CS1 maint: multiple names: authors list (link)