Rhachiosteus
| Rhachiosteus Temporal range: Givetian-Frasnian | |
|---|---|
 | |
| Artist's reconstruction (with Trematosteus in the background) | |
| Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Subphylum: | Vertebrata |
| Class: | Placodermi |
| Order: | Arthrodira |
| Suborder: | Brachythoraci |
| Infraorder: | Coccosteina |
| Superfamily: | Dinichthyloidea |
| Family: | Rhachiosteidae |
| Genus: | Rhachiosteus |
| Species: | R. pterygiatus |
| Binomial name | |
| Rhachiosteus pterygiatus Gross, 1938 | |
| Synonyms | |
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Rhachiosteus pterygiatus is an extinct brachythoracid arthrodire placoderm from the Late Devonian of Germany. It is known only from a single specimen, which may be a larval or juvenile form, as the skull of said specimen is only 19 millimetres long.[1]
References
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