Genus Ascoleucetta Dendy & Frederick, 1924

Diagnosis: Copiously branched and anastomosed choanocyte tubes covered by a well-developed cortex formed mainly by spicules measuring at least the double size of the spicules present in the choanocyte tubes. The exhalant aquiferous system is represented by a well-developed atrium delimited by a membrane with no choanoderm, supported by a specific skeleton of triactines and/or tetractines. Apical actine of the tetractines without spines. Aquiferous system is solenoid.