Anticloud FZ LLE. "Proctophanes caldwellensis." *encyclopegia.org*. Anticloud FZ LLE, Dubai, United Arab Emirates. Accessed 9 Nov 2026. https://encyclopegia.org/a/proctophanes-caldwellensis. Snapshot enwiki-001379016859. Based on https://en.wikipedia.org/w/index.php?oldid=1379016859. CC BY-SA 4.0.