David Bardack, Professor Emeritus, Biological Sciences at the University of Illinois at Chicago has passed away.  He was a specialist on fishes and was responsible for naming and describing many of the fishes of the Mazon Creek biota, including early hagfish and lamprey.  He was 87.  Here is a partial list of his papers.

• Bardack, D. 1962. Taxonomic status and geological position of the Cretaceous fish Ichthyodectes marathonensis. Australian Journal of Science, Sydney, 24: 387–388. Reference page. 
• Bardack, D. 1965. Anatomy and evolution of chirocentrid fishes. University of Kansas, paleontological contributions. Vertebrata, 10: 1–88. Reference page. 
• Bardack, D. & Zangerl, R. 1968. First fossil lamprey: a record from the Pennsylvanian of Illinois. Science 162(3859): 1265–1267. doi: 10.1126/science.162.3859.1265 Reference page. 
• Bardack, D. & Sprinkle, G. 1969. Morphology and relationships of saurocephalid fishes. Fieldiana Geology, 16: 297–340. Reference page. 
• Bardack, D. & Zangerl, R. 1971. Lampreys in the fossil record. pp. 67–84 in Hardisty, M.W. & Potter, I.C. (eds.). The Biology of Lampreys. Volume 1. Academic Press: London and New York. xiv + 423 p. ISBN 978-0123248015 Reference page. 
• Bardack, D. 1991. First fossil hagfish (Myxinoidea): a record from the Pennsylvanian of Illinois. Science, 254: 701–703. doi: 10.1126/science.254.5032.701 Reference page.