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31 December 2018 Opinion 2420 (Case 3678) – Proposal to affirm that ‘Formenkreis’ is not a genus-group taxonomic rank with potential availability: not approved
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Abstract

The International Commission on Zoological Nomenclature has declined to use its specific powers to rule that ‘Formenkreis’ (plural ‘Formenkreise’) is not a genus-group taxonomic rank with potential availability.

"Opinion 2420 (Case 3678) – Proposal to affirm that ‘Formenkreis’ is not a genus-group taxonomic rank with potential availability: not approved," The Bulletin of Zoological Nomenclature 75(1), 267-269, (31 December 2018). https://doi.org/10.21805/bzn.v75.a057
Published: 31 December 2018
KEYWORDS
Formenkreis
land snails
nomenclature
superspecies
taxonomy
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