Fig. 2

Truncatofelabellum mortenseni collected from the Persian Gulf: (a-b) Anthocaulus stages; (c) transverse division; (d-f) juvenile anthocyatus stage; (g-h) adult anthocyathus stage, their theca encrusted by tube worm and bryozoan; (i) septal arrangement and basal scale in adult anthocyathus. All scale bars: approximately 1 mm