Open AccessA Porolepiform Rhipidistian from the Lower Devonian of the Canadian Arctic
Author(s) -
Schultze HansPeter
Publication year - 2008
Publication title -
fossil record
Language(s) - English
Resource type - Journals
eISSN - 1860-1014
pISSN - 1435-1943
DOI - 10.1002/mmng.20000030106
Subject(s) - devonian , arctic , paleontology , geology , geography , humanities , oceanography , art
A holoptychiid fish is described from the Lower Devonian of Arctic Canada. The new form is distinct from other holoptychiids by the presence of a large supraorbital bone and a boomerang‐shaped tabular. Nasogaluakus n. gen. is the oldest and most primitive holoptychiid based on a phylogenetic analysis of porolepiforms and their closest relatives. The sequence of the genera corresponds to their stratigraphic appearance.
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