periplastronal

English

Etymology

peri- +‎ plastronal

Adjective

periplastronal (not comparable)

1. Surrounding a plastron
   • 2016 February 6, “Ecophenotypic Variation and Developmental Instability in the Late Cretaceous Echinoid Micraster brevis (Irregularia; Spatangoida)”, in PLOS ONE‎^[1], →DOI:

     The landmark configuration included the shape of the periplastronal ambulacrals and paired petals.