Plourdosteus

Plourdosteus
Temporal range: Devonian: Givetian–Frasnian, 391.8–374.5 Ma
Various species of Plourdosteus, from Late Devonian of Canada, Russia and Baltic countries
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: †Placodermi
Order: †Arthrodira
Suborder: †Brachythoraci
Family: †Panxiosteidae
Genus: †Plourdosteus
Ørvig, 1951
Species
  • Plourdosteus canadensis (Woodward, 1892)
  • Plourdosteus livonicus (Eastman, 1896)
  • Plourdosteus mironovi (Obruchev, 1933)
  • Plourdosteus trautscholdi (Eastman, 1897)
Artist's reconstruction of Plourdosteus trautscholdi

Plourdosteus is an extinct genus of placoderm arthrodire which was relatively widespread in Euramerica during the Givetian to Frasnian ages of the Devonian.[1] It was a small placoderm, with P. canadensis specimen MNHM 2-177 measuring 37.5 cm (14.8 in) long.[2]

  1. ^ S. V. Moloshnikov (2008). "The placoderm Plourdosteus livonicus (Eastman) in the early Frasnian of the Central Devonian Field and the trophic structure of the Mikhailovskii Fish Assemblage". Paleontological Journal. 42 (6): 607–614. Bibcode:2008PalJ...42..607M. doi:10.1134/S0031030108060063.
  2. ^ Engelman, Russell K. (2023). "A Devonian Fish Tale: A New Method of Body Length Estimation Suggests Much Smaller Sizes for Dunkleosteus terrelli (Placodermi: Arthrodira)". Diversity. 15 (3). 318. doi:10.3390/d15030318.