Babcock L. Systematics and phylogenetics of polymeroid trilobites from the Henson Gletscher and Kap Stanton formations (Middle Cambrian), North Greenland. bullggu [Internet]. 1994 Jan. 1 [cited 2024 Jul. 3];169:79-127. Available from: https://geusjournals.org/index.php/bullggu/article/view/6727