†family Pachyteichismatidae Schrammen 1937 (glass sponge)

Hexactinellida - Lychniscosa - Pachyteichismatidae

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

Sister taxa: Aulophax, Callodictyidae, Callodictyonidae, Calyptrellidae, Camerospongiidae, Cavispongia, Coeloptychidae, Cypelliidae, Dactylocalycidae, Dracolychnus, Etheridgea, Leucopsacasiidae, Pachyrachis, Plectascus, Polyblastidiidae, Rhizopoteronopsis, Rhizopterion, Sclerokalia, Sestrocladia, Sporadopylidae, Ventriculitidae, Xylospongia, Triadocoelia

Subtaxa: Mastospongia Pachyteichisma Trochobolus

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Ecology: stationary epifaunal suspension feeder

Distribution:

• Cretaceous of Australia (1 collection), France (9)

• Jurassic of France (4), Germany (13), Poland (6), Portugal (1), Romania (1), Spain (4)

Total: 39 collections including 87 occurrences

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