https://www.marinespecies.org/porifera/porifera.php?p=taxdetails&id=134379
World Porifera Database - Species - Aphrocallistes azoricus Topsent, 1901
worldporiferadatabasespeciesaphrocallistes
https://marinespecies.org/afremas/aphia.php?p=taxdetails&id=169484
African Register of Marine Species (AfReMaS) - Myxilla (Myxilla) prouhoi (Topsent, 1892)
marine speciesafricanregistermyxillatopsent
https://www.marinespecies.org/porifera/porifera.php?p=taxdetails&id=191816
World Porifera Database - Species - Hymedesmia mixta Topsent, 1896
worldporiferadatabasespecieshymedesmia
https://archives-parlementaires.persee.fr/prt/033445be-b817-4ef3-ad02-c042c0490fcb
Lettre des représentants Guezno et Topsent, en mission à Rochefort, qui annoncent l'arrivée dans le...
lettredestopsentmissionrochefort
https://www.marinespecies.org/deepsea/aphia.php?p=taxdetails&id=171727
World Register of Deep-Sea species - Pararete gerlachei (Topsent, 1901)
deep seaworldregisterspeciestopsent
https://www.marbef.org/data/aphia.php?p=taxdetails&id=133099
MarBEF Data System - ERMS - Acantheurypon scabiosum Topsent, 1927
European Marine Sites, Datasets, Species and Distribution - MarBEF Integrated Data System (MarIDaS)
marbef data systemermstopsent
https://marinespecies.org/aphia.php?p=taxdetails&id=169595
WoRMS - World Register of Marine Species - Tedania (Tedaniopsis) charcoti Topsent, 1907
marine specieswormsworldregistertedania
https://www.marinespecies.org/porifera/porifera.php?p=taxdetails&id=168140
World Porifera Database - Species - Raspailia (Raspaxilla) phakellina (Topsent, 1913)
worldporiferadatabasespeciesraspailia