Heteractinida, Taxa Only, Exact Match: 2 Treatments

Heteractinida			Kouchinsky, Artem, Bengtson, Stefan, Clausen, Sébastien & Vendrasco, Michael J., 2015, An early Cambrian fauna of skeletal fossils from the Emyaksin Formation, northern Siberia, Acta Palaeontologica Polonica 60 (2), pp. 421-512 : 505-506	505-506
Heteractinida			Carrera, Marcelo G., Botting, Joseph P. & Cañas, Fernando L., 2025, Heteractinid, hexactinellid and sphaeroclonid sponges as rare components of anthaspidellid-dominated reefs from the Ordovician of the Precordillera, western Argentina, Palaeontologia Electronica (a 17) 28 (1), pp. 1-17 : 5	5