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Rhachiosteus

Rhachiosteus
Temporal range: Givetian-Frasnian
Rhachiosteus pterygiatus.jpg
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
  • "Rachiosteus" pterygiatus

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.


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Wikipedia

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