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Placodermi
| Source Data |
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| Rank | subclass (PBDB) | |||||||||||||||||||||||||||||||||||||||||||||
| Taxonomy (PBDB) | Life : Animalia : Chordata : Osteichthyes : Placodermi | |||||||||||||||||||||||||||||||||||||||||||||
| Classification (PBDB,GBIF) |
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| Common Name | armour-plated fish | |||||||||||||||||||||||||||||||||||||||||||||
| Opinions (PBDB) |
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| Status (PBDB) | extant | |||||||||||||||||||||||||||||||||||||||||||||
| Taxon Size (PBDB) | 437 | |||||||||||||||||||||||||||||||||||||||||||||
| Extant Size (PBDB) | 4 (0.92%) | |||||||||||||||||||||||||||||||||||||||||||||
| First Recorded Appearance | 427 - 426 Ma Silurian | |||||||||||||||||||||||||||||||||||||||||||||
| Environment | marine (based on Vertebrata) | |||||||||||||||||||||||||||||||||||||||||||||
| Motility | actively mobile (based on Placodermi) | |||||||||||||||||||||||||||||||||||||||||||||
| Diet | carnivore (based on Placodermi) | |||||||||||||||||||||||||||||||||||||||||||||
| Taphonomy | phosphatic (based on Vertebrata) | |||||||||||||||||||||||||||||||||||||||||||||
| Primary Reference (PBDB) | J. J. Sepkoski, Jr. 2002. A compendium of fossil marine animal genera. Bulletins of American Paleontology 363:1-560 | |||||||||||||||||||||||||||||||||||||||||||||
Subtaxa
| Name | Status | Common Name(s) | Fossil Occurrences | Oldest | Youngest |
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| Acanthothoraci ✝ order | listed (PBDB) | 2 | 419 Ma Early/Lower Devonian | 411 Ma Early/Lower Devonian | |
| Antiarcha ✝ order | listed (PBDB) | 31 | 427 Ma Silurian | 209 Ma Late/Upper Triassic | |
| Arthrodira ✝ order | listed (PBDB) | 34 | 419 Ma Early/Lower Devonian | 323 Ma Carboniferous | |
| Brindabellaspida ✝ order | listed (PBDB) | ||||
| Coccostei ✝ order | listed (PBDB) | ||||
| Phyllolepida ✝ order | listed (PBDB) | 3 | 383 Ma Late/Upper Devonian | 372 Ma Late/Upper Devonian | |
| Pseudopetalichthyida ✝ order | listed (PBDB) | 3 | 409 Ma Early/Lower Devonian | 409 Ma Early/Lower Devonian | |
| Ptychostei ✝ order | listed (PBDB) | ||||
| Ptyctodontida order | listed (PBDB) | 9 | 408 Ma Early/Lower Devonian | 0 Ma Extant | |
| Rhenanida ✝ order | listed (PBDB) | 2 | 409 Ma Early/Lower Devonian | 403 Ma Early/Lower Devonian | |
| Stensioellida ✝ order | listed (PBDB) | ||||
| Petalichthyida ✝ suborder | listed (PBDB) | 2 | 409 Ma Early/Lower Devonian | 409 Ma Early/Lower Devonian | |
| Petalichthyida ✝ suborder | listed (PBDB) | 1 | 423 Ma Silurian | 423 Ma Silurian | |
| Austroptyctodus ✝ genus | listed (PBDB) | ||||
| Campbellodus ✝ genus | listed (PBDB) | ||||
| Coelosteichthys ✝ genus | listed (PBDB) | ||||
| Nessariostoma ✝ genus | listed (PBDB) |
Synonymy List
| Year | Name and Author |
|---|---|
| 1848 | Placodermi M'Coy |
| 1902 | Placodermi Hay p. 342 |
| 1911 | Placodermata Jaekel p. 44 |
| 1932 | Placodermi Bryant p. 232 |
| 1934 | Placodermi Säve-Söderbergh p. 17 |
| 1975 | Placodermi Denison p. 23 |
| 1999 | Placodermi Dineley and Metcalf p. 11 |
| 2002 | Placodermi Sepkoski, Jr. |
| 2004 | Placodermi Kiessling |
| 2011 | Placodermi Long p. 241 |
References
Data courtesy of: PBDB: The Paleobiology Database, Creative Commons CC-BY licenced. , GBIF: the Global Biodiversity Information Facility, various licences, iDigBio, various licences, and EOL: The Encyclopedia of Life (Open Data Public Domain). Because fossils are made of minerals too!
