Order

Hydroida Johnston, 1836

Aiheeseen liittyvät julkaisut
Mierzejewski, P. 1986. Ultrastructure, taxonomy and affinities of some Ordovician and Silurian organic microfossils. Palaeontologia Polonica 47, 129-220.
Luokittelu
Organism groupBiota
KingdomAnimalia
PhylumCnidaria
ClassHydrozoa
OrderHydroida
SuborderAthecata
Thecapora