Robuta

https://marinespecies.org/deepsea/aphia.php?p=taxdetails&id=1651808

World Register of Deep-Sea species - Acanthascus (Rhabdocalyptus) gomezi (Tabachnick & Fromont,...

deep sea world register species acanthascus

https://marinespecies.org/deepsea/aphia.php?p=taxdetails&id=171989

World Register of Deep-Sea species - Acanthascus (Rhabdocalyptus) unguiculatus (Ijima, 1904)

deep sea world register species acanthascus

https://marinespecies.org/deepsea/aphia.php?p=taxdetails&id=1651927

World Register of Deep-Sea species - Acanthascus (Staurocalyptus) tylotus (Reiswig & Stone, 2013)

deep sea world register species acanthascus

https://www.marinespecies.org/porifera/porifera.php?p=taxdetails&id=1651809

World Porifera Database - Species - Acanthascus (Rhabdocalyptus) trichotis (Reiswig, 2018)

world porifera database species acanthascus