Order Protomonaxonida Finks et al. 2004 (demosponge)

Demospongiae - Protomonaxonida

Full reference: R. M. Finks, R. E. H. Reid, and J. K. Rigby. 2004. Porifera (revised) (Demospongea, Hexactinellida, Heteractinida, Calcarea). Treatise on Invertebrate Paleontology E revised(3):1-872

Parent taxon: Clavaxinellida according to R. M. Finks et al. 2004

See also Rigby and von Bitter 2005

Sister taxon: Clavulina

Subtaxa: Choiidae Halichondritidae Hamptoniidae Hazeliidae Heliospongiidae Leptomitidae Lobatospongia Mahalospongiidae Piraniidae Sinospongiidae Sollasellidae Takakkawiidae Tethyidae Ulospongiellidae Wapkiidae

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Ecology: stationary intermediate-level epifaunal suspension feeder

Distribution:

• Quaternary of Canada (3: Ontario collections)

• Miocene of Portugal (1)

• Eocene of Spain (1)

• Cretaceous of Germany (3), the Russian Federation (2)

• Jurassic of Germany (1), the Russian Federation (1)

• Triassic of United States (2: Idaho, Nevada)

• Permian of China (8), Greece (1), Italy (1), Svalbard and Jan Mayen (1), Tunisia (8), United States (43: New Mexico, Texas, Utah)

• Atokan of United States (1: Colorado)

• Carboniferous of Spain (3), the United Kingdom (2), United States (9: Alabama, Illinois, New Mexico, Texas)

• Devonian of Australia (1), the Czech Republic (7), Germany (1), United States (3: Tennessee)

• Silurian of Canada (2: British Columbia)

• Ordovician of Canada (1: Manitoba), Morocco (2), the United Kingdom (5)

• Llandeilo of the United Kingdom (1)

• Marjumian of United States (7: Utah)

• Cambrian of Australia (1), Canada (48: Brithish Columbia, British Columbia), China (39), Greenland (4), Iran (1), the Russian Federation (2), Spain (4), United States (14: Pennsylvania, Utah, Vermont)

• Ediacaran of China (1)

Total: 235 collections including 517 occurrences

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