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Concept information

Preferred term



  • For the purpose of zoological nomenclature a letter or group of letters at the end of a nomen which may carry a standard, identified meaning or usage, such as indicating plural nominative (e.g. -ae or -i), or small size (e.g. -ella or -ita), or similarity (e.g. -oides or -ops). In the species- and genus-series, the suffix when it exists is identical with the ending. In the family-series, the suffix is the letter or group of letters (e.g., -ae, -i, -a, -ea, -ia) particpating in indicating the rank of the taxon, which follows the connector. (Alonso-Zarazaga 2005 (as Ending proper))


  • ending proper

Scope note(s)

  • Code: A letter or group of letters 1) added to the stem of a word, such as -IDAE in family names, -INAE in subfamily names; or 2) forming a Latin suffix such as -ella or -istes in some generic names.

Bibliographic citation(s)

  • Alonso-Zarazaga, M. A. (2005) Nomenclature of higher taxa: a new approach. Bulletin of zoological Nomenclature, 62 (4): 189–199.


  • 2011

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