Cyclonephelium hirtellum
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"hirtellum" (Alberti, 1961, p.28, pl.4, fig.20) Davey, 1978, p.894. Holotype: Alberti, 1961, pl.4, fig.20. NOW Circulodinium. Originally (and now) Circulodinium, subsequently Canningia, thirdly Cyclonephelium. Backhouse (1988, p.83) considered Tenua (as Cyclonephelium) hystrix to be the possible taxonomic senior synonym of this species. Below (1981a, p.10) also proposed this combination. Age: Valanginian–Hauterivian.
Parent: Cyclonephelium