Tethyida

{{Short description|Order of sponges}}

{{Automatic taxobox

| taxon = Tethyida

| authority = Morrow & Cárdenas, 2015Morrow C.; Cárdenas P. (2015). [http://www.frontiersinzoology.com/content/12/1/7 "Proposal for a revised classification of the Demospongiae (Porifera)."] Frontiers in Zoology. 12:7., page(s): 10

| subdivision_ranks = Families

| subdivision =

• Hemiasterellidae Lendenfeld, 1889
• Tethyidae Gray, 1848
• Timeidae Topsent, 1928

}}

Tethyida is an order of sea sponges in the subclass Heteroscleromorpha.van Soest, R. (2015). [http://www.marinespecies.org/aphia.php?p=taxdetails&id=8455072 Tethyida.] In: Van Soest, R.W.M; Boury-Esnault, N.; Hooper, J.N.A.; Rützler, K.; de Voogd, N.J.; Alvarez de Glasby, B.; Hajdu, E.; Pisera, A.B.; Manconi, R.; Schoenberg, C.; Klautau, M.; Picton, B.; Kelly, M.; Vacelet, J.; Dohrmann, M.; Díaz, M.-C.; Cárdenas, P.; Carballo, J. L. (2016). World Porifera database. Accessed through: World Register of Marine Species on 2017-02-17.