Photograph: Locality is NMB 16995 (Rio Cana, Cercado Formation, Dominican Republic), Miocene, NN11.

Occurrence:

• Dominican Republic Project: NMB localities 15815, 16817, 16818, 16828, 16832--16836, 16838, 16839, 16842, 16844, 16995.

Comments: Similar to T. biperforata, but avicularia smaller and sibling zooids highly torqued (see Soule et al., 1987, for terminology).

Last updated January 27, 1998-agc.