Atactopora
Atactopora sp. encrusting an orthoconic nautiloid. Scale bar is 3 cm. CMC 57398.
Atactopora is a thin encruster, typically on cephalopod shells. Zoarium bears conspicuous monticules. Lacks mesozooids, but has prominent inflecting styles.
Species
Atactopora angularis Ulrich and Bassler
Occurrence: Economy, Waynesville
Reference: Dalvé, 1948
Atactopora hirsuta Ulrich, 1879
Occurrence: Economy, Southgate, McMicken, Fairmount
Reference: Dalvé, 1948
Atactopora intermedia Cumings and Galloway
Occurrence: McMicken
Reference: Dalvé, 1948
Atactopora maculata Ulrich, 1879
Occurrence: Fairmount
Reference: Dalvé, 1948
