Cite
MLA Citation
Michael J. Melchin et al.. “Retiolitine graptolites from the Aeronian and lower Telychian (Llandovery, Silurian) of Arctic Canada.” Journal of paleontology, vol. 91, 2017, pp. 116–145. http://access.bl.uk/ark:/81055/vdc_100039631995.0x000054