Demospongiae - Megalithistida - Nexospongiidae

Full reference: M. G. Carrera. 1996. Ordovician megamorinid demosponges from San Juan Formation, Precordillera, western Argentina. Geobios 29(6):643-650

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

See also Carrera 1996

Sister taxa: Archaeodorydermatidae, Pleromatidae, Saccospongiidae

Subtaxa: Nexospongia

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Type: Nexospongia

Ecology: stationary epifaunal suspension feeder

Distribution: found only at Cerro La Silla ( of Argentina)

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