Robuta

https://marinespecies.org/porifera/porifera.php/www.aqua-aquapress.com/porifera.php?p=taxdetails&id=165952

World Porifera Database - Species - Topsentia megalorrhapis (Carter, 1881)

world porifera database species topsentia

https://marinespecies.org/Deepsea/aphia.php?p=taxdetails&id=1424330

World Register of Deep-Sea species - Topsentia levivaceletorum Van Soest & Hooper, 2020

deep sea world register species topsentia