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Stigmosphaerostylus Rüst 1892 (radiolarian)

Radiolaria - Entactinaria - Entactiniidae

PaleoDB taxon number: 344

Alternative spelling: Stigomosphaerostylus

Synonyms: Apophysisphaera Won 1997 (no. 85093), Astroentactinia Nazarov 1975 (no. 29), Entactinia Foreman 1963 (no. 124), Inaequalientactinia Won 1991 (no. 85094), Palaeoxyphostylus Won 1983 (no. 85095)

Parent taxon: Entactiniidae according to P. Noble et al. 2017

Sister taxa: Afanasievella, Apophysiactinia, Astroentactiniinae, Borisella, Callela, Cancellosphaera, Costaentactinia, Cubaxonium, Duodecimentactinia, Entactiniinae, Entactinosphaera, Fenestrula, Gracilentactinia, Hegleria, Holdisphaera, Involutentactinia, Kashiwara, Klaengspongus, Lententactinia, Magnentactinia, Magnisphaera, Megaporus, Microporosa, Moskovistella, Multientactinia, Munzuwonella, Oruatemanua, Paracopicyntra, Paratriposphaera, Perforentactinia, Plenoentactinia, Plenosphaera, Pluristratoentactinia, Polyedroentactinia, Provisocyntra, Radiobisphaera, Retentactinia, Retisphaera, Shinkaiera, Sinosphaera, Spongentactinia, Stygmosphaerostylus, Tardentactinia, Trilonche, Uberinterna, Wuyia

Subtaxa: Astroentactinia stellata, Entactinia hercula, Entactinia modesta, Entactinia morii, Entactinia multispinosa, Entactinia tortispina, Entactinia vulgaris, Stigmosphaerostylus gogoensis, Stigmosphaerostylus horrida, Stigmosphaerostylus hystricuosa, Stigmosphaerostylus itsukaichiensis, Stigmosphaerostylus notabilis, Stigmosphaerostylus profundisculus, Stigmosphaerostylus pusilla, Stigmosphaerostylus variospina

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Type: Stigmosphaerostylus notabilis

Ecology: passively mobile planktonic omnivore