Sarcopterygii (Romer, 1955) Achoania gen. nov. Diagnosis. A sarcopterygian with an anteroventrally sloping intracranial joint; robust and rod-like premaxilla that lacks a posterodorsal process and ...

Recent work in the Late Devonian (Frasnian) Fram Formation of Ellesmere Island, Nunavut, Canada, has produced the first North American record of Laccognathus (Sarcopterygii, Porolepiformes), a taxon ...

Fossilized footprints of sarcopterygii (or walking fish) estimated to be over 360 million years old. Kirsten Murphy · CBC News · Posted: Apr 07, 2018 6:00 AM EDT | Last Updated: April 10, 2018.