Cyphotrypa
Cyphotrypa sp. in longitudinal (left) and tangential (right) sections. Field of view is 1.5 mm. CMC 24654.
Cyphotrypa is massive, rarely ramose, with low monticules. Zooecia are polygonal and thin-walled, with diaphragms common in exozone. Lacks mesozooids. Styles have large clear lumen, and are typically common and occur at junctions of walls.
Species
Cyphotrypa madisonensis Brown and Daly, 1985
Occurrence: Dillsboro
Reference: Brown and Daly, 1985; Schumacher et al. in Davis and Cuffey, 1998 (mention)
Cyphotrypa osgoodensis Perry and Hattin, 1960
Occurrence: Dillsboro
Reference: Brown and Daly, 1985
Cyphotrypa waynensis Utgaard and Perry, 1964
Occurrence: Whitewater
Reference: Utgaard and Perry, 1964
