Related Overviews


'alar' can also refer to...


More Like This

Show all results sharing this subject:

  • Earth Sciences and Geography


Quick Reference

The first lateral protosepta (see septum) on either side of the cardinal septum. The term is used in descriptions of the septal development of the rugose corals (Rugosa), and may also be applied to fossulae which occur in a similar position.

Subjects: Earth Sciences and Geography.

Reference entries