1.
Cridland AA, Darrah EL. Crossotheca urbani sp. nov., a male fructification from the Pennsylvanian (Desmoinesian series, Verdigris formation) of Missouri, U.S.A. JPS [Internet]. 1968 Dec. 31 [cited 2024 May 5];17((1-3):93-6. Available from: https://www.jpsonline.co.in/index.php/jop/article/view/784