World Register of Marine Species (WoRMS)
Mesothuria (Penichrothuria) verrilli (Théel, 1886)
WoRMS (2026). Mesothuria (Penichrothuria) verrilli (Théel, 1886). Accessed at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=124576 on 2026-08-01
Théel, H. (1886). Report on the Holothurioidea. Reports on the results of dredging, under the supervision of Alexander Agassiz, in the Gulf of Mexico (1877-78) and in the Caribbean Sea (1879-80), by the U. S. Coast Survey Steamer "Blake", Lieut.-Commander C. D. Sigsbee, U. S. N., and Commander J. R. Bartlett, U. S. N., commanding. Bulletin of the Museum of Comparative Zoölogy at Harvard College. 13(1): 1-21.