Fig. 2
Pachyzoon atlanticum (a) General overview of several, clumped colonies. Note attached shell/foraminiferan fragments. b Two smaller and one larger colony, note the thread-like rhizoidal cystid appendages. c Detail of frontal side showing partially protruded lophophores and short apertural papillae. d Lateral view of colony showing rhizoids. Abbreviations: app apertural papilla, cy cystid appendage, plo protruded lophophore