eschariform

English

Adjective

eschariform (not comparable)

1. Forming bilaminate foliaceous colonies of zooids.
   • 1963, Alan H. Cheetham, Late Eocene Zoogeography of the Eastern Gulf Coast Region, page 30:

     [M]any species having eschariform zoaria in quiet water are able to assume the membraniporiform habitus in strongly agitated water.

   • 1971, Smithsonian Contributions to Paleobiology, page 6:

     All species having non-fenestrate, rigidly erect colonies, with either subcylindrical or bilaminate trunks and branches (vinculariiform and eschariform colonies, respectively), or closely encrusting (membraniporiform) colonies were regarded as unstable.