Hexactinellida - Reticulosa - Protospongiidae
Alternative spelling: Protospongidae
Parent taxon: Protospongioidea according to D. C. Garcia-Bellido and J. K. Rigby 2004
See also Henningsmoen 1952, Henningsmoen 1958 and McMenamin 2008
Sister taxon: Triactinellidae
Subtaxa: Acanthodictya Actinodictya Brooksella Diagoniella Gabelia Heminectere Hexatractiella Hunanospongia Iberospongia Kiwetinokia Megastylia Metaxyspongia Palaeosaccus Plectoderma Protospongia Quadrolaminiella Saetaspongia Sanshapentella Testiispongia Triticispongia
Ecology: stationary epifaunal suspension feeder
Distribution:
• Devonian of Germany (1 collection), Spain (1), United States (2: Nevada)
• Silurian of Canada (5: British Columbia), Greenland (1), Portugal (1), United States (1: Nevada)
• Klabava of Czechia (1)
• Ordovician of Argentina (1), the United Kingdom (4), United States (2: Idaho, New York)
• Cambrian to Ordovician of Argentina (1)
• Cambrian of Argentina (4), Canada (14: British Columbia), China (37), Denmark (2), Italy (1), Mexico (3), Norway (2), the Russian Federation (18), the United Kingdom (2), United States (23: Georgia, New York, Pennsylvania, Utah, Vermont)
• Amgan of Norway (1)
• Solvan of Argentina (1), Canada (1: British Columbia)
• Ediacaran of Namibia (1)
Total: 131 collections including 196 occurrences