| Parabuchanosteus Temporal range:
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| An artist's impression of Parabuchanosteus murrumbidgeensis | |
Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | †Placodermi |
| Order: | †Arthrodira |
| Suborder: | †Brachythoraci |
| Family: | †Buchanosteidae |
| Genus: | †Parabuchanosteus White & Toombs, 1972 |
| Species: | †P. murrumbidgeensis
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| Binomial name | |
| †Parabuchanosteus murrumbidgeensis (White, 1952)
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| Synonyms | |
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Parabuchanosteus murrumbidgeensis is an extinct buchanosteid arthrodire placoderm. Its fossils have been found in the Late Emsian-aged marine strata of New South Wales, Australia.
It was originally described as Buchanosteus murrumbidgeensis in 1952. Twenty years later, it was reexamined and promoted to a new genus.