FIGURE 18. Septopora blanda Moore, 1929 in Stenolaemate bryozoans from the Graham Formation, Pennsylvanian (Virgilian) at Lost Creek Lake, Texas, USA

FIGURE 18. Septopora blanda Moore, 1929 (A–C): A, B – tangential section showing autozooecial apertures and chambers, and cyclozooecia (arrows) (XCI 47); C – tangential section showing autozooecial chambers and cyclozooecia (XCI 54). Penniretepora flexistriata Richards, 1959 (D–J): D–F – colony fragments with autozooecial apertures with apertural pores (arrows) and stellate structures, divided by low undulating keel (D: (XCI 121), E–F: (XCI 122); G – autozooecial aperture with apertural pore (arrow) and stellate structure (XCI 123); H, I – thin section showing autozooecial chambers (XCI 83); J – thin section showing autozooecial apertures with apertural pore (arrow) (XCI 82).