Bryozoa
Subspecies

Helopora spiniformis macropora Toots, 1952

https://files.geocollections.info/large/9c/c8/9cc8523e-3fb3-46f7-9f77-5a8e9ed08a6e.jpg
Selection of related publications
Männil, R. M. 1959. Questions of stratigraphy and bryozoans of the Ordovician of Estonia. pp. 1-852. Institut Geologii Akademii Nauk Estonskoi SSR.
Toots, H. 1952. Bryozoen des estnischen Kuckersits. Mitt. Geol. Staatinst. Hamburg 21, 113-137.
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Classification
Organism groupBiota
KingdomAnimalia
PhylumBryozoa
ClassStenolaemata
SuperorderPalaeostomata
OrderCryptostomata
SuborderRhabdomesida
SuperfamilyRhabdomesina
FamilyStreblotrypidae
SubfamilyHeloporinae
GenusHelopora
Speciesspiniformis
Subspeciesmacropora
References based on distribution