Concise hierarchy

(Kingdom) Chromista - (Phylum) Ochrophyta - (Class) Raphidophyceae - (Order) Actinophryida

Subsequent positions

Actinophryina (Suborder) Cavalier-Smith, 2013

Ref: T. Cavalier-Smith & J.M. Scoble, 2013(2012): 342.

Current position

Actinophryina (Suborder) Cavalier-Smith, 2013

Ref: T. Cavalier-Smith & J.M. Scoble, 2013(2012): 342. [new position]

Alternative positions

Actinophryida (Order) Hartmann, 1913	Ref: K.A. Mikrjukov & D.J. Patterson, 2001: 8.
Heliozoa (Phylum) Haeckel, 1866	Ref: K.A. Mikrjukov et al., 2000: 866.
Stramenopiles ([unranked]) Patterson, 1990	Ref: S.M. Adl et al., 2012: table 2 (p. 454). [inferred rank]

Historical positions

Stramenopiles ([unranked]) Patterson, 1990	Ref: S.M. Adl et al., 2012: table 2 (p. 454).
Stramenopiles ([unranked]) Patterson, 1990	Ref: S.M. Adl et al., 2005: 426.
Actinophryida (Order) Hartmann, 1913	Ref: K.A. Mikrjukov & D.J. Patterson, 2001: 8.
Heliozoa (Phylum) Haeckel, 1866	Ref: K.A. Mikrjukov et al., 2000: 866.
Actinophryida (Order) Hartmann, 1913	Ref: J. Cachon & M. Cachon, 1982: 566, 567.

Number of Subtaxa

2024	Available in Systema Naturae 2000	1g;4s
1989-present	Systema Naturae 2000: 20 Mar 2016	[1g;4s]
2013(2012)	T. Cavalier-Smith & J.M. Scoble: 342	[1g]
2005	S.M. Adl et al.	[2g]
2001	K.A. Mikrjukov & D.J. Patterson: 8	2g;[7s]
2000	K.A. Mikrjukov et al.	2g
1982	J. Cachon & M. Cachon	1g