Robuta

https://species.wikimedia.org/wiki/Staurocalyptus_glaber

Staurocalyptus glaber - Wikispecies

staurocalyptus glaber wikispecies

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