epipericyst

plural epipericysts

1. The part of the pericyst that lies anterior to the paracingulum.

   Epipericyst and hypopericyst of more or less equal size or epipericyst somewhat larger. Ambital outline widest in pericingular region. Compression dorso-ventral, moderate to extreme.

   1978, Stanford University Publications: Geological sciences

   1 more example

   The epipericysts on the Australian and French specimens are generally broadly rounded apically, whereas those from California are acutely rounded, and commonly possess a short, apical horn.

   1987, P. A. Jell, Association of Australasian Palaeontologists, Studies in Australian Mesozoic palynology, volume 1, page 273