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Under construction
Taxon: Order †Ajacicyathida Bedford & Bedford, 1939 (sponge)
 Entity: 

Concise hierarchy

(Kingdom) Animalia - (Phylum) Porifera - (Class) Archaeocyatha

Current position

Archaeocyatha (Class) Bornemann, 1884 Ref: A. Kerner: [31 Jan 2015].

Alternative positions

Regulares (Class) Vologdin, 1937 Ref: J.J. Sepkoski Jr., 2002: 45.

Historical positions

Regulares (Class) Vologdin, 1937 Ref: J.J. Sepkoski Jr., 2002: 45.

Number of Subtaxa

2022 Available in Systema Naturae 2000 †65f;205g
1989-present Systema Naturae 2000: 3 Feb 2015 [; †65f;205g]
A. Kerner: [3 Feb 2015] [; †65f;205g]
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Last updated: 4 Aug 2022