Endectyon is a genus of marine demosponges in the family Raspailiidae.
Taxonomy Endectyon is organized into two subgenera, Endectyon and Hemectyon, distinguished mainly by skeletal architecture and spicule morphology. Species in the subgenus Endectyon include the following:
Endectyon delaubenfelsi Burton, 1930 Endectyon elyakovi Hooper, 1991 Endectyon fruticosum (Dendy, 1887) Endectyon hispitumulus Turner & Pankey, 2023 Endectyon hornelli (Dendy, 1905) Endectyon hyle (de Laubenfels, 1930) Endectyon lacazei (Topsent, 1892) Endectyon lamellosum Thomas, 1976 Endectyon multidentatum (Burton, 1948) Endectyon pilosum (Vacelet, 1961) Endectyon tenax (Schmidt, 1870) Endectyon thurstoni (Dendy, 1887) Endectyon xerampelinum (Lamarck, 1814)
Species in the subgenus Hemectyon include the following: Endectyon filiforme Sitja & Maldonado, 2014 Endectyon hamatum (Schmidt, 1870)
The species Endectyon gorgonioides (Kirkpatrick, 1903) has not been assigned a subgenus.
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