Lisburne Hills (Permian of the United States)

Where: Alaska (68.7° N, 165.8° W: paleocoordinates 48.2° N, 1.1° W)

• coordinate stated in text

When: Siksikpuk Formation, Permian (298.9 - 252.2 Ma)

• 21 ft. above Lisburne-Siksikpuk contact in stream valley

Environment/lithology: marine; lithified lithology not reported

Size class: macrofossils

• dorsal finspine

Collected by K. J. Bird in 1972

Primary reference: J. G. Maisey. 1982. Studies on the Paleozoic Selachian Genus Ctenacanthus Agassiz: No. 2. Bythiacanthus St. John and Worthen, Amelacanthus, New Genus, Eunemacanthus St. John and Worthen, Sphenacanthus Agassiz, and Wodnika Munster. American Museum Novitates 2722:1-24 [M. Clapham/T. Wolfe/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 119889: authorized by Matthew Clapham, entered by Trisha Wolfe on 04.11.2011

Creative Commons license: CC BY (attribution)

Taxonomic list

Chondrichthyes
 Ctenacanthiformes -
Wodnika borealis elasmobranch