Euplectellidae

Euplectellidae is a family of glass sponges (Hexactinellids) belonging to the order Lyssacinosa, first represented in the Ordovician fossil record, substantially older than molecular estimates of the clade's age.

Taxonomies
According to the World Register of Marine Species (WoRMS) the family includes the following subfamilies and genera:

Subfamily Bolosominae Tabachnick, 2002 Subfamily Corbitellinae Gray, 1872 Subfamily Euplectellinae Gray, 1867
 * Advhena Castello-Branco, Collins & Hajdu, 2020
 * Amphidiscella Tabachnick & Lévi, 1997
 * Amphoreus Reiswig & Kelly, 2018
 * Bolosoma Ijima, 1904
 * Caulocalyx Schulze, 1886
 * Hyalostylus Schulze, 1886
 * Neocaledoniella Tabachnick & Lévi, 2004
 * Rhizophyta Shen, Dohrmann, Zhang, Lu & Wang, 2019
 * Saccocalyx Schulze, 1896
 * Trachycaulus Schulze, 1886
 * Trychella Reiswig & Kelly, 2018
 * Vityaziella Tabachnick & Lévi, 1997
 * Atlantisella Tabachnick, 2002
 * Corbitella Gray, 1867
 * Dictyaulus Schulze, 1896
 * Dictyocalyx Schulze, 1886
 * Hertwigia Schmidt, 1880
 * Heterotella Gray, 1867
 * Ijimaiella Tabachnick, 2002
 * Plumicoma Reiswig & Kelly, 2018
 * Pseudoplectella Tabachnick, 1990
 * Regadrella Schmidt, 1880
 * Rhabdopectella Schmidt, 1880
 * Walteria Schulze, 1886
 * Acoelocalyx Topsent, 1910
 * Chaunangium Schulze, 1904
 * Docosaccus Topsent, 1910
 * Euplectella Owen, 1841
 * Holascus Schulze, 1886
 * Malacosaccus Schulze, 1886
 * Placopegma Schulze, 1895