Demospongiae - Agelasida - Thaumastocoeliidae
Alternative spelling: Thaumastocoelidae
Parent taxon: Agelasida according to F. Amirhassankhani et al. 2014
See also Boiko et al. 1991, Fan et al. 2002, Finks et al. 2004 and Senowbari-Daryan and Rigby 2015
Sister taxa: Actinostromarianinidae, Actinostromariidae, Amphorithalamiidae, Angullongiidae, Aphrosalpingidae, Astroscleridae, Auriculospongiidae, Blastoporella, Catenispongiidae, Cliefdenellidae, Columnocoelia, Cryptocoeliidae, Exotubispongiidae, Fissispongiidae, Fluegelispongites, Girtycoeliidae, Girtyocoeliidae, Globucatenulaiidae, Glomocystospongiidae, Guadalupiidae, Incertuspongia, Intrasporeocoeliidae, Kemeria, Maeandrostiidae, Milleporellidae, Noritubispongiidae, Olangocoeliidae, Palermocoeliidae, Parastylothalamiidae, Pharetrospongiidae, Phragmocoeliidae, Polyedridae, Preperonidellidae, Radiotrabeculoporidae, Sebargasiidae, Sestrostomellidae, Sobralispongia, Solenolmiidae, Sphaeropontiidae, Spicidae, Stellispongiellidae, Tabasiidae, Tataouinella, Tenuipariespongia, Thamnonema, Virgolidae
Subtaxa: Enoplocoeliinae Kovacsia Shotorithalamia Thaumastocoelia Thaumastocoeliinae
Type: Thaumastocoelia
Distribution:
• Triassic of Austria (8 collections), Canada (2: British Columbia, Yukon), Germany (2), Greece (1), Hungary (12), Indonesia (1), Iran (5), Italy (14), Oman (1), the Russian Federation (4), Slovakia (9), Slovenia (2), Tajikistan (5), Turkey (4), United States (1: Idaho)
• Permian of China (28), Greece (1), Iran (2), Italy (3), Oman (7), the Russian Federation (12), Slovenia (1), Tajikistan (1), Thailand (1), Tunisia (22), Ukraine (2), United States (164: New Mexico, Texas), Venezuela (1)
• Carboniferous of Austria (1), Spain (1), the United Kingdom (2)
• Silurian of United States (1: Alaska)
• Ordovician of United States (12: Alaska, California)
Total: 333 collections including 421 occurrences