valvocopula

English

Etymology

valvo- +‎ copula

Noun

valvocopula (plural valvocopulae)

1. A copula (girdle) that runs around the valve of a diatom
   • 2015 October 15, “New Insights into Plagiogrammaceae (Bacillariophyta) Based on Multigene Phylogenies and Morphological Characteristics with the Description of a New Genus and Three New Species”, in PLOS ONE‎^[1], →DOI:

     Girdle elements of Orizaformis also have single rows of puncta and a hyaline valvocopula, though in this genus there is no noticeable size difference between the valvocopula and other girdle elements.