| Errolosteus Temporal range:
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|---|---|
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| Artist's reconstruction | |
Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | †Placodermi |
| Order: | †Arthrodira |
| Suborder: | †Brachythoraci |
| Family: | †Buchanosteidae |
| Genus: | †Errolosteus Young, 1981 |
| Species: | †E. goodradigbeensis
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| Binomial name | |
| †Errolosteus goodradigbeensis Young, 1981
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Errolosteus goodradigbeensis is an extinct buchanosteid arthrodire placoderm.[1] Its fossils have been found in Emsian-aged marine strata of New South Wales, Australia.
The holotype of E. goodradigbeensis, ANU 21806, was described at the same time as its sympatric relative, Arenipiscis. Errolosteus can be distinguished by having a comparatively short, broad skull.
- ^ Young, G.C. (1981-01-01). "New Early Devonian brachythoracids (placoderm fishes) from the Taemas - Wee Jasper region of New South Wales". Alcheringa: An Australasian Journal of Palaeontology. 5 (4): 245–271. doi:10.1080/03115518108566994. ISSN 0311-5518.