FIG. 8. — A-F, Heterotrypa enodis n in A cool-water bryozoan association from the La Pola Formation (Sandbian, Ordovician) of Argentine Precordillera

FIG. 8. — A-F, Heterotrypa enodis n. sp.: A-C, branch transverse section showing autozooecial chambers and mesozooecia, holotype CEGH-UNC 27504 b; D, branch longitudinal section showing autozooecial chambers with diaphragms and mesozooecia, CEGH-UNC 27504 a; E, F, tangential thin section showing autozooecial apertures, mesozooecia, and acanthostyles, CEGH-UNC 27504 c; G, H, Albardonia bifoliata n. gen., n. sp., oblique thin section through the bifoliate colony, holotype CEGH-UNC 27538 c. Scale bars: A, B, D, E, G, H, 1 mm; C, F, 0.2 mm.